Merge 'master' into CURATOR-3.0
diff --git a/curator-client/pom.xml b/curator-client/pom.xml
index 64a3393..7bb437c 100644
--- a/curator-client/pom.xml
+++ b/curator-client/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-client</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <name>Curator Client</name>
diff --git a/curator-client/src/main/java/org/apache/curator/RetryLoop.java b/curator-client/src/main/java/org/apache/curator/RetryLoop.java
index 6b66e82..065ebef 100644
--- a/curator-client/src/main/java/org/apache/curator/RetryLoop.java
+++ b/curator-client/src/main/java/org/apache/curator/RetryLoop.java
@@ -150,7 +150,8 @@
         return (rc == KeeperException.Code.CONNECTIONLOSS.intValue()) ||
             (rc == KeeperException.Code.OPERATIONTIMEOUT.intValue()) ||
             (rc == KeeperException.Code.SESSIONMOVED.intValue()) ||
-            (rc == KeeperException.Code.SESSIONEXPIRED.intValue());
+            (rc == KeeperException.Code.SESSIONEXPIRED.intValue()) ||
+            (rc == KeeperException.Code.NEWCONFIGNOQUORUM.intValue());
     }
 
     /**
diff --git a/curator-client/src/main/java/org/apache/curator/ensemble/EnsembleListener.java b/curator-client/src/main/java/org/apache/curator/ensemble/EnsembleListener.java
new file mode 100644
index 0000000..8f963cd
--- /dev/null
+++ b/curator-client/src/main/java/org/apache/curator/ensemble/EnsembleListener.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.ensemble;
+
+public interface EnsembleListener {
+
+    void connectionStringUpdated(String connectionString);
+}
diff --git a/curator-client/src/main/java/org/apache/curator/ensemble/dynamic/DynamicEnsembleProvider.java b/curator-client/src/main/java/org/apache/curator/ensemble/dynamic/DynamicEnsembleProvider.java
new file mode 100644
index 0000000..70b755f
--- /dev/null
+++ b/curator-client/src/main/java/org/apache/curator/ensemble/dynamic/DynamicEnsembleProvider.java
@@ -0,0 +1,61 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.ensemble.dynamic;
+
+import com.google.common.base.Preconditions;
+import org.apache.curator.ensemble.EnsembleListener;
+import org.apache.curator.ensemble.EnsembleProvider;
+
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class DynamicEnsembleProvider implements EnsembleProvider, EnsembleListener {
+
+    private final AtomicReference<String> connectionString = new AtomicReference<String>();
+
+    /**
+     * The connection string to use
+     *
+     * @param connectionString connection string
+     */
+    public DynamicEnsembleProvider(String connectionString)
+    {
+        this.connectionString.set(Preconditions.checkNotNull(connectionString, "connectionString cannot be null"));
+    }
+
+    @Override
+    public void start() throws Exception {
+        // NOP
+    }
+
+    @Override
+    public String getConnectionString() {
+        return connectionString.get();
+    }
+
+    @Override
+    public void close() throws IOException {
+        // NOP
+    }
+
+    @Override
+    public void connectionStringUpdated(String connectionString) {
+        this.connectionString.set(connectionString);
+    }
+}
diff --git a/curator-examples/pom.xml b/curator-examples/pom.xml
index 406cbac..536f727 100644
--- a/curator-examples/pom.xml
+++ b/curator-examples/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-examples</artifactId>
diff --git a/curator-examples/src/main/java/framework/TransactionExamples.java b/curator-examples/src/main/java/framework/TransactionExamples.java
index f559b5a..7ff8064 100644
--- a/curator-examples/src/main/java/framework/TransactionExamples.java
+++ b/curator-examples/src/main/java/framework/TransactionExamples.java
@@ -19,25 +19,24 @@
 package framework;
 
 import org.apache.curator.framework.CuratorFramework;
-import org.apache.curator.framework.api.transaction.CuratorTransaction;
-import org.apache.curator.framework.api.transaction.CuratorTransactionFinal;
+import org.apache.curator.framework.CuratorFrameworkFactory;
+import org.apache.curator.framework.api.transaction.CuratorOp;
 import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
+import org.apache.curator.retry.RetryOneTime;
+import org.apache.curator.test.TestingServer;
 import java.util.Collection;
 
 public class TransactionExamples
 {
     public static Collection<CuratorTransactionResult>      transaction(CuratorFramework client) throws Exception
     {
-        // this example shows how to use ZooKeeper's new transactions
+        // this example shows how to use ZooKeeper's transactions
 
-        Collection<CuratorTransactionResult>    results = client.inTransaction()
-                .create().forPath("/a/path", "some data".getBytes())
-            .and()
-                .setData().forPath("/another/path", "other data".getBytes())
-            .and()
-                .delete().forPath("/yet/another/path")
-            .and()
-                .commit();  // IMPORTANT! The transaction is not submitted until commit() is called
+        CuratorOp createOp = client.transactionOp().create().forPath("/a/path", "some data".getBytes());
+        CuratorOp setDataOp = client.transactionOp().setData().forPath("/another/path", "other data".getBytes());
+        CuratorOp deleteOp = client.transactionOp().delete().forPath("/yet/another/path");
+
+        Collection<CuratorTransactionResult>    results = client.transaction().forOperations(createOp, setDataOp, deleteOp);
 
         for ( CuratorTransactionResult result : results )
         {
@@ -46,33 +45,4 @@
 
         return results;
     }
-
-    /*
-            These next four methods show how to use Curator's transaction APIs in a more
-            traditional - one-at-a-time - manner
-     */
-
-    public static CuratorTransaction        startTransaction(CuratorFramework client)
-    {
-        // start the transaction builder
-        return client.inTransaction();
-    }
-
-    public static CuratorTransactionFinal   addCreateToTransaction(CuratorTransaction transaction) throws Exception
-    {
-        // add a create operation
-        return transaction.create().forPath("/a/path", "some data".getBytes()).and();
-    }
-
-    public static CuratorTransactionFinal   addDeleteToTransaction(CuratorTransaction transaction) throws Exception
-    {
-        // add a delete operation
-        return transaction.delete().forPath("/another/path").and();
-    }
-
-    public static void                      commitTransaction(CuratorTransactionFinal transaction) throws Exception
-    {
-        // commit the transaction
-        transaction.commit();
-    }
 }
diff --git a/curator-framework/pom.xml b/curator-framework/pom.xml
index 212678d..a7df78c 100644
--- a/curator-framework/pom.xml
+++ b/curator-framework/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-framework</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <name>Curator Framework</name>
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/CuratorFramework.java b/curator-framework/src/main/java/org/apache/curator/framework/CuratorFramework.java
index b9d67b9..9239ac4 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/CuratorFramework.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/CuratorFramework.java
@@ -21,7 +21,10 @@
 
 import org.apache.curator.CuratorZookeeperClient;
 import org.apache.curator.framework.api.*;
+import org.apache.curator.framework.api.transaction.CuratorMultiTransaction;
+import org.apache.curator.framework.api.transaction.CuratorOp;
 import org.apache.curator.framework.api.transaction.CuratorTransaction;
+import org.apache.curator.framework.api.transaction.TransactionOp;
 import org.apache.curator.framework.imps.CuratorFrameworkState;
 import org.apache.curator.framework.listen.Listenable;
 import org.apache.curator.framework.state.ConnectionStateListener;
@@ -122,11 +125,42 @@
     public SetACLBuilder setACL();
 
     /**
+     * Start a reconfig builder
+     *
+     * @return builder object
+     */
+    public ReconfigBuilder reconfig();
+
+    /**
+     * Start a getConfig builder
+     *
+     * @return builder object
+     */
+    public GetConfigBuilder getConfig();
+
+    /**
+     * Start a transaction builder
+     *
+     * @return builder object
+     * @deprecated use {@link #transaction()} instead
+     */
+    public CuratorTransaction inTransaction();
+
+    /**
      * Start a transaction builder
      *
      * @return builder object
      */
-    public CuratorTransaction inTransaction();
+    public CuratorMultiTransaction transaction();
+
+    /**
+     * Allocate an operation that can be used with {@link #transaction()}.
+     * NOTE: {@link CuratorOp} instances created by this builder are
+     * reusable.
+     *
+     * @return operation builder
+     */
+    public TransactionOp transactionOp();
 
     /**
      * Perform a sync on the given path - syncs are always in the background
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/AddStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/AddStatConfigEnsembleable.java
new file mode 100644
index 0000000..16f78a2
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/AddStatConfigEnsembleable.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An non-incremental reconfiguration builder.
+ * This builder has access only to the non-incremental reconfiguration methods withMembers, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface AddStatConfigEnsembleable extends
+    Addable<StatConfigEnsembleable>,
+    StatConfigEnsembleable
+{
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/Addable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/Addable.java
new file mode 100644
index 0000000..e908f1e
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/Addable.java
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+import java.util.List;
+
+public interface Addable<T>
+{
+    /**
+     * Sets one or more members that are meant to be part of the ensemble.
+     * The expected format is server.[id]=[hostname]:[peer port]:[election port]:[type];[client port]
+     *
+     * @param server The server to add as a member of the ensemble.
+     * @return this
+     */
+    T adding(String... server);
+
+    /**
+     * Sets one or more members that are meant to be part of the ensemble.
+     * The expected format is server.[id]=[hostname]:[peer port]:[election port]:[type];[client port]
+     *
+     * @param servers The server to add as a member of the ensemble.
+     * @return this
+     */
+    T adding(List<String> servers);
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/AsyncReconfigurable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/AsyncReconfigurable.java
new file mode 100644
index 0000000..fc7fd57
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/AsyncReconfigurable.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+public interface AsyncReconfigurable  {
+
+    /**
+     * Sets the configuration version to use.
+     * @param config The version of the configuration.
+     * @throws Exception
+     */
+    void fromConfig(long config) throws Exception;
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/BackgroundStatable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/BackgroundStatable.java
new file mode 100644
index 0000000..77c4e96
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/BackgroundStatable.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+public interface BackgroundStatable<T> extends
+    Backgroundable<T>,
+    Statable<T> {
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/Configurable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/Configurable.java
new file mode 100644
index 0000000..2bc0494
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/Configurable.java
@@ -0,0 +1,31 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface Configurable
+{
+
+    /**
+     * Sets the configuration version to use.
+     * @param config The version of the configuration.
+     * @throws Exception
+     */
+    StatEnsembleable<byte[]> fromConfig(long config) throws Exception;
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEvent.java b/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEvent.java
index 2a5408c..673613c 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEvent.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEvent.java
@@ -18,6 +18,8 @@
  */
 package org.apache.curator.framework.api;
 
+import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
+import org.apache.zookeeper.OpResult;
 import org.apache.zookeeper.WatchedEvent;
 import org.apache.zookeeper.data.ACL;
 import org.apache.zookeeper.data.Stat;
@@ -80,6 +82,11 @@
     public List<ACL> getACLList();
 
     /**
+     * @return any operation results or null
+     */
+    public List<CuratorTransactionResult> getOpResults();
+
+    /**
      * If {@link #getType()} returns {@link CuratorEventType#WATCHED} this will
      * return the WatchedEvent
      *
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEventType.java b/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEventType.java
index 684d11b..5a2dc56 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEventType.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/CuratorEventType.java
@@ -69,6 +69,21 @@
     SET_ACL,
 
     /**
+     * Corresponds to {@link CuratorFramework#transaction()}
+     */
+    TRANSACTION,
+
+    /**
+     * Corresponds to {@link CuratorFramework#getConfig()}
+     */
+    GET_CONFIG,
+
+    /**
+     * Corresponds to {@link CuratorFramework#reconfig()}
+     */
+    RECONFIG,
+
+    /**
      * Corresponds to {@link Watchable#usingWatcher(Watcher)} or {@link Watchable#watched()}
      */
     WATCHED,
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/DataCallbackable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/DataCallbackable.java
new file mode 100644
index 0000000..75ded65
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/DataCallbackable.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+import org.apache.zookeeper.AsyncCallback.DataCallback;
+
+public interface DataCallbackable<T> {
+
+    /**
+     * Passes a callback and a context object to the config/reconfig command.
+     * @param callback  The async callback to use.
+     * @param ctx       An object that will be passed to the callback.
+     * @return this
+     */
+    T usingDataCallback(DataCallback callback, Object ctx);
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/Ensembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/Ensembleable.java
new file mode 100644
index 0000000..c8a82fe
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/Ensembleable.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+public interface Ensembleable<T> {
+
+    T forEnsemble() throws Exception;
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/GetConfigBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/GetConfigBuilder.java
new file mode 100644
index 0000000..c42e4cb
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/GetConfigBuilder.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface GetConfigBuilder extends
+    Watchable<BackgroundStatable<Ensembleable<byte[]>>>,
+    BackgroundStatable<Ensembleable<byte[]>>,
+    Ensembleable<byte[]>
+{
+}
+
+
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/IncrementalReconfigBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/IncrementalReconfigBuilder.java
new file mode 100644
index 0000000..0ad6426
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/IncrementalReconfigBuilder.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods join and leave, so that we prevent
+ * mixing concepts that can't be used together.
+ * @param <T>
+ */
+public interface IncrementalReconfigBuilder<T> extends
+        Joinable<IncrementalReconfigBuilder<T>>,
+        Leaveable<IncrementalReconfigBuilder<T>>,
+        DataCallbackable<AsyncReconfigurable>,
+        Statable<SyncReconfigurable> {
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/JoinAddStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinAddStatConfigEnsembleable.java
new file mode 100644
index 0000000..a905dd1
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinAddStatConfigEnsembleable.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods joining and leaving, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface JoinAddStatConfigEnsembleable extends
+    Joinable<AddStatConfigEnsembleable>,
+    Addable<JoinStatConfigurable>,
+    StatConfigEnsembleable
+{
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/JoinLeaveStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinLeaveStatConfigEnsembleable.java
new file mode 100644
index 0000000..9642297
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinLeaveStatConfigEnsembleable.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods joining and leaving, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface JoinLeaveStatConfigEnsembleable extends
+    Joinable<LeaveStatConfigEnsembleable>,
+    Leaveable<JoinStatConfigEnsembleable>,
+    StatConfigEnsembleable
+{
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigEnsembleable.java
new file mode 100644
index 0000000..5fe7a8c
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigEnsembleable.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods joining and leaving, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface JoinStatConfigEnsembleable extends
+    Joinable<StatConfigEnsembleable>,
+    StatConfigEnsembleable
+{
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigurable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigurable.java
new file mode 100644
index 0000000..ef17ef4
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/JoinStatConfigurable.java
@@ -0,0 +1,30 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods joining and leaving, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface JoinStatConfigurable extends
+    Joinable<Configurable>
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/Joinable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/Joinable.java
new file mode 100644
index 0000000..5cebe4d
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/Joinable.java
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+import java.util.List;
+
+public interface Joinable<T>
+{
+    /**
+     * Adds one or more servers to joining the ensemble.
+     * The expected format is server.[id]=[hostname]:[peer port]:[election port]:[type];[client port]
+     *
+     * @param server The server joining.
+     * @return this
+     */
+    T joining(String... server);
+
+    /**
+     * Adds one or more servers to joining the ensemble.
+     * The expected format is server.[id]=[hostname]:[peer port]:[election port]:[type];[client port]
+     *
+     * @param servers The servers joining.
+     * @return this
+     */
+    T joining(List<String> servers);
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveAddStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveAddStatConfigEnsembleable.java
new file mode 100644
index 0000000..7912d45
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveAddStatConfigEnsembleable.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An non-incremental reconfiguration builder.
+ * This builder has access only to the non-incremental reconfiguration methods withMembers, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface LeaveAddStatConfigEnsembleable extends
+    Leaveable<AddStatConfigEnsembleable>,
+    Addable<LeaveStatConfigEnsembleable>,
+    StatConfigEnsembleable
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveStatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveStatConfigEnsembleable.java
new file mode 100644
index 0000000..ddad854
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/LeaveStatConfigEnsembleable.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+/**
+ * An incremental reconfiguration builder.
+ * This builder has access only to the incremental reconfiguration methods joining and leaving, so that we prevent
+ * mixing concepts that can't be used together.
+ */
+public interface LeaveStatConfigEnsembleable extends
+    Leaveable<StatConfigEnsembleable>,
+    StatConfigEnsembleable
+{
+
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/Leaveable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/Leaveable.java
new file mode 100644
index 0000000..6ec3542
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/Leaveable.java
@@ -0,0 +1,41 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+import java.util.List;
+
+public interface Leaveable<T>
+{
+    /**
+     * Sets one or more servers to leaving the ensemble.
+     *
+     * @param server The server ids
+     * @return this
+     */
+    T leaving(String... server);
+
+    /**
+     * Sets one or more servers to leaving the ensemble.
+     *
+     * @param servers The server ids
+     * @return this
+     */
+    T leaving(List<String> servers);
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilder.java
new file mode 100644
index 0000000..438abcf
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilder.java
@@ -0,0 +1,28 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface ReconfigBuilder extends
+    Joinable<LeaveAddStatConfigEnsembleable>,
+    Leaveable<JoinAddStatConfigEnsembleable>,
+    Addable<JoinLeaveStatConfigEnsembleable>,
+    Backgroundable<ReconfigBuilderMain>
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilderMain.java b/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilderMain.java
new file mode 100644
index 0000000..b86af2d
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/ReconfigBuilderMain.java
@@ -0,0 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface ReconfigBuilderMain extends
+    Joinable<LeaveAddStatConfigEnsembleable>,
+    Leaveable<JoinAddStatConfigEnsembleable>,
+    Addable<JoinLeaveStatConfigEnsembleable>
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/StatConfigEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/StatConfigEnsembleable.java
new file mode 100644
index 0000000..4700c8c
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/StatConfigEnsembleable.java
@@ -0,0 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface StatConfigEnsembleable extends
+    Configurable,
+    StatEnsembleable<byte[]>
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/StatEnsembleable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/StatEnsembleable.java
new file mode 100644
index 0000000..0993b50
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/StatEnsembleable.java
@@ -0,0 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.api;
+
+public interface StatEnsembleable<T> extends
+    Statable<Ensembleable<T>>,
+    Ensembleable<T>
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/SyncReconfigurable.java b/curator-framework/src/main/java/org/apache/curator/framework/api/SyncReconfigurable.java
new file mode 100644
index 0000000..bd7b96b
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/SyncReconfigurable.java
@@ -0,0 +1,30 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api;
+
+public interface SyncReconfigurable  {
+
+    /**
+     * Sets the configuration version to use.
+     * @param config    The version of the configuration.
+     * @return The configuration data.
+     * @throws Exception
+     */
+    byte[] fromConfig(long config) throws Exception;
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransaction.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransaction.java
new file mode 100644
index 0000000..07bf191
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransaction.java
@@ -0,0 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api.transaction;
+
+import org.apache.curator.framework.api.Backgroundable;
+
+public interface CuratorMultiTransaction extends
+    Backgroundable<CuratorMultiTransactionMain>,
+    CuratorMultiTransactionMain
+{
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransactionMain.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransactionMain.java
new file mode 100644
index 0000000..2425f5b
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorMultiTransactionMain.java
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api.transaction;
+
+import org.apache.curator.framework.CuratorFramework;
+import java.util.List;
+
+public interface CuratorMultiTransactionMain
+{
+    /**
+     * Commit the given operations as a single transaction. Create the
+     * operation instances via {@link CuratorFramework#transactionOp()}
+     *
+     * @param operations operations that make up the transaction.
+     * @return result details for foreground operations or <code>null</code> for background operations
+     * @throws Exception errors
+     */
+    List<CuratorTransactionResult> forOperations(CuratorOp... operations) throws Exception;
+
+    /**
+     * Commit the given operations as a single transaction. Create the
+     * operation instances via {@link CuratorFramework#transactionOp()}
+     *
+     * @param operations operations that make up the transaction.
+     * @return result details for foreground operations or <code>null</code> for background operations
+     * @throws Exception errors
+     */
+    List<CuratorTransactionResult> forOperations(List<CuratorOp> operations) throws Exception;
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorOp.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorOp.java
new file mode 100644
index 0000000..23bc76c
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorOp.java
@@ -0,0 +1,31 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api.transaction;
+
+import org.apache.zookeeper.Op;
+
+/**
+ * Internal representation of a transaction operation
+ */
+public interface CuratorOp
+{
+    Op get();
+
+    TypeAndPath getTypeAndPath();
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransaction.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransaction.java
index 3901abf..5d60b5c 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransaction.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransaction.java
@@ -18,6 +18,7 @@
  */
 package org.apache.curator.framework.api.transaction;
 
+import org.apache.curator.framework.CuratorFramework;
 import org.apache.zookeeper.ZooKeeper;
 
 /**
@@ -49,6 +50,8 @@
  *     <b>Important:</b> the operations are not submitted until
  *     {@link CuratorTransactionFinal#commit()} is called.
  * </p>
+ *
+ * @deprecated Use {@link CuratorFramework#transaction()}
  */
 public interface CuratorTransaction
 {
@@ -57,26 +60,26 @@
      *
      * @return builder object
      */
-    public TransactionCreateBuilder create();
+    public TransactionCreateBuilder<CuratorTransactionBridge> create();
 
     /**
      * Start a delete builder in the transaction
      *
      * @return builder object
      */
-    public TransactionDeleteBuilder delete();
+    public TransactionDeleteBuilder<CuratorTransactionBridge> delete();
 
     /**
      * Start a setData builder in the transaction
      *
      * @return builder object
      */
-    public TransactionSetDataBuilder setData();
+    public TransactionSetDataBuilder<CuratorTransactionBridge> setData();
 
     /**
      * Start a check builder in the transaction
-     *ChildData
+     *
      * @return builder object
      */
-    public TransactionCheckBuilder check();
+    public TransactionCheckBuilder<CuratorTransactionBridge> check();
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransactionResult.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransactionResult.java
index 03bbca2..8d8dc2d 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransactionResult.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/CuratorTransactionResult.java
@@ -16,6 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.curator.framework.api.transaction;
 
 import com.google.common.base.Predicate;
@@ -27,9 +28,9 @@
 public class CuratorTransactionResult
 {
     private final OperationType type;
-    private final String        forPath;
-    private final String        resultPath;
-    private final Stat          resultStat;
+    private final String forPath;
+    private final String resultPath;
+    private final Stat resultStat;
 
     /**
      * Utility that can be passed to Google Guava to find a particular result. E.g.
@@ -41,7 +42,7 @@
      * @param forPath path
      * @return predicate
      */
-    public static Predicate<CuratorTransactionResult>       ofTypeAndPath(final OperationType type, final String forPath)
+    public static Predicate<CuratorTransactionResult> ofTypeAndPath(final OperationType type, final String forPath)
     {
         return new Predicate<CuratorTransactionResult>()
         {
@@ -73,7 +74,7 @@
 
     /**
      * Returns the path that was passed to the operation when added
-     * 
+     *
      * @return operation input path
      */
     public String getForPath()
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/OperationType.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/OperationType.java
index 56dcd33..c0aec68 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/OperationType.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/OperationType.java
@@ -24,22 +24,22 @@
 public enum OperationType
 {
     /**
-     * {@link CuratorTransaction#create()}
+     * {@link TransactionOp#create()}
      */
     CREATE,
 
     /**
-     * {@link CuratorTransaction#delete()}
+     * {@link TransactionOp#delete()}
      */
     DELETE,
 
     /**
-     * {@link CuratorTransaction#setData()}
+     * {@link TransactionOp#setData()}
      */
     SET_DATA,
 
     /**
-     * {@link CuratorTransaction#check()}
+     * {@link TransactionOp#check()}
      */
     CHECK
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCheckBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCheckBuilder.java
index 2bc13d1..6de675c 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCheckBuilder.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCheckBuilder.java
@@ -21,8 +21,8 @@
 import org.apache.curator.framework.api.Pathable;
 import org.apache.curator.framework.api.Versionable;
 
-public interface TransactionCheckBuilder extends
-    Pathable<CuratorTransactionBridge>,
-    Versionable<Pathable<CuratorTransactionBridge>>
+public interface TransactionCheckBuilder<T> extends
+    Pathable<T>,
+    Versionable<Pathable<T>>
 {
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCreateBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCreateBuilder.java
index 6ac3069..cba0cba 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCreateBuilder.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionCreateBuilder.java
@@ -23,10 +23,10 @@
 import org.apache.curator.framework.api.CreateModable;
 import org.apache.curator.framework.api.PathAndBytesable;
 
-public interface TransactionCreateBuilder extends
-    PathAndBytesable<CuratorTransactionBridge>,
-    CreateModable<ACLPathAndBytesable<CuratorTransactionBridge>>,
-    ACLPathAndBytesable<CuratorTransactionBridge>,
-    Compressible<ACLPathAndBytesable<CuratorTransactionBridge>>
+public interface TransactionCreateBuilder<T> extends
+    PathAndBytesable<T>,
+    CreateModable<ACLPathAndBytesable<T>>,
+    ACLPathAndBytesable<T>,
+    Compressible<ACLPathAndBytesable<T>>
 {
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionDeleteBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionDeleteBuilder.java
index e165394..d977290 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionDeleteBuilder.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionDeleteBuilder.java
@@ -21,8 +21,8 @@
 import org.apache.curator.framework.api.Pathable;
 import org.apache.curator.framework.api.Versionable;
 
-public interface TransactionDeleteBuilder extends
-    Pathable<CuratorTransactionBridge>,
-    Versionable<Pathable<CuratorTransactionBridge>>
+public interface TransactionDeleteBuilder<T> extends
+    Pathable<T>,
+    Versionable<Pathable<T>>
 {
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionOp.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionOp.java
new file mode 100644
index 0000000..84808a1
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionOp.java
@@ -0,0 +1,56 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api.transaction;
+
+import org.apache.curator.framework.CuratorFramework;
+
+/**
+ * Builds operations that can be committed as a transaction
+ * via {@link CuratorFramework#transaction()}
+ */
+public interface TransactionOp
+{
+    /**
+     * Start a create builder in the transaction
+     *
+     * @return builder object
+     */
+    TransactionCreateBuilder<CuratorOp> create();
+
+    /**
+     * Start a delete builder in the transaction
+     *
+     * @return builder object
+     */
+    TransactionDeleteBuilder<CuratorOp> delete();
+
+    /**
+     * Start a setData builder in the transaction
+     *
+     * @return builder object
+     */
+    TransactionSetDataBuilder<CuratorOp> setData();
+
+    /**
+     * Start a check builder in the transaction
+     *
+     * @return builder object
+     */
+    TransactionCheckBuilder<CuratorOp> check();
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionSetDataBuilder.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionSetDataBuilder.java
index 777537a..2d4d255 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionSetDataBuilder.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TransactionSetDataBuilder.java
@@ -22,9 +22,9 @@
 import org.apache.curator.framework.api.PathAndBytesable;
 import org.apache.curator.framework.api.Versionable;
 
-public interface TransactionSetDataBuilder extends
-    PathAndBytesable<CuratorTransactionBridge>,
-    Versionable<PathAndBytesable<CuratorTransactionBridge>>,
-    Compressible<PathAndBytesable<CuratorTransactionBridge>>
+public interface TransactionSetDataBuilder<T> extends
+    PathAndBytesable<T>,
+    Versionable<PathAndBytesable<T>>,
+    Compressible<PathAndBytesable<T>>
 {
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TypeAndPath.java b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TypeAndPath.java
new file mode 100644
index 0000000..b1cea95
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/api/transaction/TypeAndPath.java
@@ -0,0 +1,41 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.api.transaction;
+
+public class TypeAndPath
+{
+    private final OperationType type;
+    private final String forPath;
+
+    public TypeAndPath(OperationType type, String forPath)
+    {
+        this.type = type;
+        this.forPath = forPath;
+    }
+
+    public OperationType getType()
+    {
+        return type;
+    }
+
+    public String getForPath()
+    {
+        return forPath;
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/ensemble/EnsembleTracker.java b/curator-framework/src/main/java/org/apache/curator/framework/ensemble/EnsembleTracker.java
new file mode 100644
index 0000000..375e1f0
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/ensemble/EnsembleTracker.java
@@ -0,0 +1,191 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.ensemble;
+
+import com.google.common.base.Function;
+import com.google.common.base.Preconditions;
+import org.apache.curator.ensemble.EnsembleListener;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.api.BackgroundCallback;
+import org.apache.curator.framework.api.CuratorEvent;
+import org.apache.curator.framework.api.CuratorWatcher;
+import org.apache.curator.framework.listen.ListenerContainer;
+import org.apache.curator.framework.state.ConnectionState;
+import org.apache.curator.framework.state.ConnectionStateListener;
+import org.apache.zookeeper.KeeperException;
+import org.apache.zookeeper.WatchedEvent;
+import org.apache.zookeeper.Watcher;
+import org.apache.zookeeper.server.quorum.QuorumPeer;
+import org.apache.zookeeper.server.quorum.flexible.QuorumMaj;
+import org.apache.zookeeper.server.quorum.flexible.QuorumVerifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.io.ByteArrayInputStream;
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.Properties;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Tracks changes to the ensemble and notifies registered {@link org.apache.curator.ensemble.EnsembleListener} instances.
+ */
+public class EnsembleTracker implements Closeable
+{
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    private final CuratorFramework client;
+    private final AtomicReference<State> state = new AtomicReference<>(State.LATENT);
+    private final ListenerContainer<EnsembleListener> listeners = new ListenerContainer<>();
+    private final ConnectionStateListener connectionStateListener = new ConnectionStateListener()
+    {
+        @Override
+        public void stateChanged(CuratorFramework client, ConnectionState newState)
+        {
+            if ( (newState == ConnectionState.CONNECTED) || (newState == ConnectionState.RECONNECTED) )
+            {
+                try
+                {
+                    reset();
+                }
+                catch ( Exception e )
+                {
+                    log.error("Trying to reset after reconnection", e);
+                }
+            }
+        }
+    };
+
+    private final CuratorWatcher watcher = new CuratorWatcher()
+    {
+        @Override
+        public void process(WatchedEvent event) throws Exception
+        {
+            if ( event.getType() == Watcher.Event.EventType.NodeDataChanged )
+            {
+                reset();
+            }
+        }
+    };
+
+    private enum State
+    {
+        LATENT,
+        STARTED,
+        CLOSED
+    }
+
+    private final BackgroundCallback backgroundCallback = new BackgroundCallback()
+    {
+        @Override
+        public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
+        {
+            processBackgroundResult(event);
+        }
+    };
+
+    public EnsembleTracker(CuratorFramework client)
+    {
+        this.client = client;
+    }
+
+    public void start() throws Exception
+    {
+        Preconditions.checkState(state.compareAndSet(State.LATENT, State.STARTED), "Cannot be started more than once");
+        client.getConnectionStateListenable().addListener(connectionStateListener);
+        reset();
+    }
+
+    @Override
+    public void close() throws IOException
+    {
+        if ( state.compareAndSet(State.STARTED, State.CLOSED) )
+        {
+            listeners.clear();
+        }
+        client.getConnectionStateListenable().removeListener(connectionStateListener);
+    }
+
+    /**
+     * Return the ensemble listenable
+     *
+     * @return listenable
+     */
+    public ListenerContainer<EnsembleListener> getListenable()
+    {
+        Preconditions.checkState(state.get() != State.CLOSED, "Closed");
+
+        return listeners;
+    }
+
+    private void reset() throws Exception
+    {
+        client.getConfig().usingWatcher(watcher).inBackground(backgroundCallback).forEnsemble();
+    }
+
+    private void processBackgroundResult(CuratorEvent event) throws Exception
+    {
+        switch ( event.getType() )
+        {
+            case GET_CONFIG:
+            {
+                if ( event.getResultCode() == KeeperException.Code.OK.intValue() )
+                {
+                    processConfigData(event.getData());
+                }
+            }
+        }
+    }
+
+    private void processConfigData(byte[] data) throws Exception
+    {
+        Properties properties = new Properties();
+        properties.load(new ByteArrayInputStream(data));
+        QuorumVerifier qv = new QuorumMaj(properties);
+        StringBuilder sb = new StringBuilder();
+        for ( QuorumPeer.QuorumServer server : qv.getAllMembers().values() )
+        {
+            if ( sb.length() != 0 )
+            {
+                sb.append(",");
+            }
+            sb.append(server.clientAddr.getAddress().getHostAddress()).append(":").append(server.clientAddr.getPort());
+        }
+
+        final String connectionString = sb.toString();
+        listeners.forEach
+            (
+                new Function<EnsembleListener, Void>()
+                {
+                    @Override
+                    public Void apply(EnsembleListener listener)
+                    {
+                        try
+                        {
+                            listener.connectionStringUpdated(connectionString);
+                        }
+                        catch ( Exception e )
+                        {
+                            log.error("Calling listener", e);
+                        }
+                        return null;
+                    }
+                }
+            );
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/BackgroundSyncImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/BackgroundSyncImpl.java
index af8e458..f0994e3 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/BackgroundSyncImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/BackgroundSyncImpl.java
@@ -46,7 +46,7 @@
                 public void processResult(int rc, String path, Object ctx)
                 {
                     trace.commit();
-                    CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.SYNC, rc, path, null, ctx, null, null, null, null, null);
+                    CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.SYNC, rc, path, null, ctx, null, null, null, null, null, null);
                     client.processBackgroundOperation(operationAndData, event);
                 }
             },
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CreateBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CreateBuilderImpl.java
index 7a4a96f..7184c39 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/CreateBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CreateBuilderImpl.java
@@ -26,7 +26,6 @@
 import org.apache.curator.TimeTrace;
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.api.*;
-import org.apache.curator.framework.api.transaction.CuratorTransactionBridge;
 import org.apache.curator.framework.api.transaction.OperationType;
 import org.apache.curator.framework.api.transaction.TransactionCreateBuilder;
 import org.apache.curator.utils.ZKPaths;
@@ -72,39 +71,39 @@
         protectedId = null;
     }
 
-    TransactionCreateBuilder asTransactionCreateBuilder(final CuratorTransactionImpl curatorTransaction, final CuratorMultiTransactionRecord transaction)
+    <T> TransactionCreateBuilder<T> asTransactionCreateBuilder(final T context, final CuratorMultiTransactionRecord transaction)
     {
-        return new TransactionCreateBuilder()
+        return new TransactionCreateBuilder<T>()
         {
             @Override
-            public PathAndBytesable<CuratorTransactionBridge> withACL(List<ACL> aclList)
+            public PathAndBytesable<T> withACL(List<ACL> aclList)
             {
                 CreateBuilderImpl.this.withACL(aclList);
                 return this;
             }
 
             @Override
-            public ACLPathAndBytesable<CuratorTransactionBridge> withMode(CreateMode mode)
+            public ACLPathAndBytesable<T> withMode(CreateMode mode)
             {
                 CreateBuilderImpl.this.withMode(mode);
                 return this;
             }
             
             @Override
-            public ACLPathAndBytesable<CuratorTransactionBridge> compressed()
+            public ACLPathAndBytesable<T> compressed()
             {
                 CreateBuilderImpl.this.compressed();
                 return this;
             }
             
             @Override
-            public CuratorTransactionBridge forPath(String path) throws Exception
+            public T forPath(String path) throws Exception
             {
                 return forPath(path, client.getDefaultData());
             }
 
             @Override
-            public CuratorTransactionBridge forPath(String path, byte[] data) throws Exception
+            public T forPath(String path, byte[] data) throws Exception
             {               
                 if ( compress )
                 {
@@ -113,7 +112,7 @@
                 
                 String fixedPath = client.fixForNamespace(path);
                 transaction.add(Op.create(fixedPath, data, acling.getAclList(path), createMode), OperationType.CREATE, path);
-                return curatorTransaction;
+                return context;
             }
         };
     }
@@ -561,7 +560,7 @@
         path = client.unfixForNamespace(path);
         name = client.unfixForNamespace(name);
 
-        CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.CREATE, rc, path, name, ctx, null, null, null, null, null);
+        CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.CREATE, rc, path, name, ctx, null, null, null, null, null, null);
         client.processBackgroundOperation(operationAndData, event);
     }
 
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorEventImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorEventImpl.java
index 929fe6d..4aa125f 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorEventImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorEventImpl.java
@@ -16,11 +16,13 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.curator.framework.imps;
 
 import com.google.common.collect.ImmutableList;
 import org.apache.curator.framework.api.CuratorEvent;
 import org.apache.curator.framework.api.CuratorEventType;
+import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
 import org.apache.zookeeper.WatchedEvent;
 import org.apache.zookeeper.data.ACL;
 import org.apache.zookeeper.data.Stat;
@@ -29,16 +31,17 @@
 
 class CuratorEventImpl implements CuratorEvent
 {
-    private final CuratorEventType  type;
-    private final int               resultCode;
-    private final String            path;
-    private final String            name;
-    private final List<String>      children;
-    private final Object            context;
-    private final Stat              stat;
-    private final byte[]            data;
-    private final WatchedEvent      watchedEvent;
-    private final List<ACL>         aclList;
+    private final CuratorEventType type;
+    private final int resultCode;
+    private final String path;
+    private final String name;
+    private final List<String> children;
+    private final Object context;
+    private final Stat stat;
+    private final byte[] data;
+    private final WatchedEvent watchedEvent;
+    private final List<ACL> aclList;
+    private final List<CuratorTransactionResult> opResults;
 
     @Override
     public CuratorEventType getType()
@@ -101,6 +104,12 @@
     }
 
     @Override
+    public List<CuratorTransactionResult> getOpResults()
+    {
+        return opResults;
+    }
+
+    @Override
     public String toString()
     {
         return "CuratorEventImpl{" +
@@ -114,20 +123,22 @@
             ", data=" + Arrays.toString(data) +
             ", watchedEvent=" + watchedEvent +
             ", aclList=" + aclList +
+            ", opResults=" + opResults +
             '}';
     }
 
-    CuratorEventImpl(CuratorFrameworkImpl client, CuratorEventType type, int resultCode, String path, String name, Object context, Stat stat, byte[] data, List<String> children, WatchedEvent watchedEvent, List<ACL> aclList)
+    CuratorEventImpl(CuratorFrameworkImpl client, CuratorEventType type, int resultCode, String path, String name, Object context, Stat stat, byte[] data, List<String> children, WatchedEvent watchedEvent, List<ACL> aclList, List<CuratorTransactionResult> opResults)
     {
         this.type = type;
         this.resultCode = resultCode;
+        this.opResults = (opResults != null) ? ImmutableList.copyOf(opResults) : null;
         this.path = client.unfixForNamespace(path);
         this.name = name;
         this.context = context;
         this.stat = stat;
         this.data = data;
         this.children = children;
-        this.watchedEvent = (watchedEvent != null) ? new NamespaceWatchedEvent(client, watchedEvent) : watchedEvent;
+        this.watchedEvent = (watchedEvent != null) ? new NamespaceWatchedEvent(client, watchedEvent) : null;
         this.aclList = (aclList != null) ? ImmutableList.copyOf(aclList) : null;
     }
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorFrameworkImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorFrameworkImpl.java
index 38ce166..900374b 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorFrameworkImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorFrameworkImpl.java
@@ -31,7 +31,9 @@
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.CuratorFrameworkFactory;
 import org.apache.curator.framework.api.*;
+import org.apache.curator.framework.api.transaction.CuratorMultiTransaction;
 import org.apache.curator.framework.api.transaction.CuratorTransaction;
+import org.apache.curator.framework.api.transaction.TransactionOp;
 import org.apache.curator.framework.listen.Listenable;
 import org.apache.curator.framework.listen.ListenerContainer;
 import org.apache.curator.framework.state.ConnectionState;
@@ -104,7 +106,7 @@
             @Override
             public void process(WatchedEvent watchedEvent)
             {
-                CuratorEvent event = new CuratorEventImpl(CuratorFrameworkImpl.this, CuratorEventType.WATCHED, watchedEvent.getState().getIntValue(), unfixForNamespace(watchedEvent.getPath()), null, null, null, null, null, watchedEvent, null);
+                CuratorEvent event = new CuratorEventImpl(CuratorFrameworkImpl.this, CuratorEventType.WATCHED, watchedEvent.getState().getIntValue(), unfixForNamespace(watchedEvent.getPath()), null, null, null, null, null, watchedEvent, null, null);
                 processEvent(event);
             }
         }, builder.getRetryPolicy(), builder.canBeReadOnly());
@@ -286,7 +288,7 @@
                 @Override
                 public Void apply(CuratorListener listener)
                 {
-                    CuratorEvent event = new CuratorEventImpl(CuratorFrameworkImpl.this, CuratorEventType.CLOSING, 0, null, null, null, null, null, null, null, null);
+                    CuratorEvent event = new CuratorEventImpl(CuratorFrameworkImpl.this, CuratorEventType.CLOSING, 0, null, null, null, null, null, null, null, null, null);
                     try
                     {
                         listener.eventReceived(CuratorFrameworkImpl.this, event);
@@ -408,6 +410,18 @@
     }
 
     @Override
+    public ReconfigBuilder reconfig()
+    {
+        return new ReconfigBuilderImpl(this);
+    }
+
+    @Override
+    public GetConfigBuilder getConfig()
+    {
+        return new GetConfigBuilderImpl(this);
+    }
+
+    @Override
     public CuratorTransaction inTransaction()
     {
         Preconditions.checkState(getState() == CuratorFrameworkState.STARTED, "instance must be started before calling this method");
@@ -416,6 +430,22 @@
     }
 
     @Override
+    public CuratorMultiTransaction transaction()
+    {
+        Preconditions.checkState(getState() == CuratorFrameworkState.STARTED, "instance must be started before calling this method");
+
+        return new CuratorMultiTransactionImpl(this);
+    }
+
+    @Override
+    public TransactionOp transactionOp()
+    {
+        Preconditions.checkState(getState() == CuratorFrameworkState.STARTED, "instance must be started before calling this method");
+
+        return new TransactionOpImpl(this);
+    }
+
+    @Override
     public Listenable<ConnectionStateListener> getConnectionStateListenable()
     {
         return connectionStateManager.getListenable();
@@ -837,7 +867,7 @@
             if ( e instanceof CuratorConnectionLossException )
             {
                 WatchedEvent watchedEvent = new WatchedEvent(Watcher.Event.EventType.None, Watcher.Event.KeeperState.Disconnected, null);
-                CuratorEvent event = new CuratorEventImpl(this, CuratorEventType.WATCHED, KeeperException.Code.CONNECTIONLOSS.intValue(), null, null, operationAndData.getContext(), null, null, null, watchedEvent, null);
+                CuratorEvent event = new CuratorEventImpl(this, CuratorEventType.WATCHED, KeeperException.Code.CONNECTIONLOSS.intValue(), null, null, operationAndData.getContext(), null, null, null, watchedEvent, null, null);
                 if ( checkBackgroundRetry(operationAndData, event) )
                 {
                     queueOperation(operationAndData);
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionImpl.java
new file mode 100644
index 0000000..577b0d6
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionImpl.java
@@ -0,0 +1,163 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.imps;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import org.apache.curator.RetryLoop;
+import org.apache.curator.TimeTrace;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.api.BackgroundCallback;
+import org.apache.curator.framework.api.CuratorEvent;
+import org.apache.curator.framework.api.CuratorEventType;
+import org.apache.curator.framework.api.transaction.CuratorMultiTransaction;
+import org.apache.curator.framework.api.transaction.CuratorMultiTransactionMain;
+import org.apache.curator.framework.api.transaction.CuratorOp;
+import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
+import org.apache.zookeeper.AsyncCallback;
+import org.apache.zookeeper.OpResult;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executor;
+
+public class CuratorMultiTransactionImpl implements
+    CuratorMultiTransaction,
+    CuratorMultiTransactionMain,
+    BackgroundOperation<CuratorMultiTransactionRecord>
+{
+    private final CuratorFrameworkImpl client;
+    private Backgrounding backgrounding = new Backgrounding();
+
+    public CuratorMultiTransactionImpl(CuratorFrameworkImpl client)
+    {
+        this.client = client;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground()
+    {
+        backgrounding = new Backgrounding(true);
+        return this;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground(Object context)
+    {
+        backgrounding = new Backgrounding(context);
+        return this;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground(BackgroundCallback callback)
+    {
+        backgrounding = new Backgrounding(callback);
+        return this;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground(BackgroundCallback callback, Object context)
+    {
+        backgrounding = new Backgrounding(callback, context);
+        return this;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground(BackgroundCallback callback, Executor executor)
+    {
+        backgrounding = new Backgrounding(callback, executor);
+        return this;
+    }
+
+    @Override
+    public CuratorMultiTransactionMain inBackground(BackgroundCallback callback, Object context, Executor executor)
+    {
+        backgrounding = new Backgrounding(client, callback, context, executor);
+        return this;
+    }
+
+    @Override
+    public List<CuratorTransactionResult> forOperations(CuratorOp... operations) throws Exception
+    {
+        List<CuratorOp> ops = (operations != null) ? Arrays.asList(operations) : Lists.<CuratorOp>newArrayList();
+        return forOperations(ops);
+    }
+
+    @Override
+    public List<CuratorTransactionResult> forOperations(List<CuratorOp> operations) throws Exception
+    {
+        operations = Preconditions.checkNotNull(operations, "operations cannot be null");
+        Preconditions.checkArgument(!operations.isEmpty(), "operations list cannot be empty");
+
+        CuratorMultiTransactionRecord record = new CuratorMultiTransactionRecord();
+        for ( CuratorOp curatorOp : operations )
+        {
+            record.add(curatorOp.get(), curatorOp.getTypeAndPath().getType(), curatorOp.getTypeAndPath().getForPath());
+        }
+
+        if ( backgrounding.inBackground() )
+        {
+            client.processBackgroundOperation(new OperationAndData<>(this, record, backgrounding.getCallback(), null, backgrounding.getContext()), null);
+            return null;
+        }
+        else
+        {
+            return forOperationsInForeground(record);
+        }
+    }
+
+    @Override
+    public void performBackgroundOperation(final OperationAndData<CuratorMultiTransactionRecord> operationAndData) throws Exception
+    {
+        final TimeTrace trace = client.getZookeeperClient().startTracer("CuratorMultiTransactionImpl-Background");
+        AsyncCallback.MultiCallback callback = new AsyncCallback.MultiCallback()
+        {
+            @Override
+            public void processResult(int rc, String path, Object ctx, List<OpResult> opResults)
+            {
+                trace.commit();
+                List<CuratorTransactionResult> curatorResults = (opResults != null) ? CuratorTransactionImpl.wrapResults(client, opResults, operationAndData.getData()) : null;
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.TRANSACTION, rc, path, null, ctx, null, null, null, null, null, curatorResults);
+                client.processBackgroundOperation(operationAndData, event);
+            }
+        };
+        client.getZooKeeper().multi(operationAndData.getData(), callback, backgrounding.getContext());
+    }
+
+    private List<CuratorTransactionResult> forOperationsInForeground(final CuratorMultiTransactionRecord record) throws Exception
+    {
+        TimeTrace trace = client.getZookeeperClient().startTracer("CuratorMultiTransactionImpl-Foreground");
+        List<OpResult> responseData = RetryLoop.callWithRetry
+        (
+            client.getZookeeperClient(),
+            new Callable<List<OpResult>>()
+            {
+                @Override
+                public List<OpResult> call() throws Exception
+                {
+                    return client.getZooKeeper().multi(record);
+                }
+            }
+        );
+        trace.commit();
+
+        return CuratorTransactionImpl.wrapResults(client, responseData, record);
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionRecord.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionRecord.java
index 1500d6d..0611df6 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionRecord.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorMultiTransactionRecord.java
@@ -20,6 +20,7 @@
 
 import com.google.common.collect.Lists;
 import org.apache.curator.framework.api.transaction.OperationType;
+import org.apache.curator.framework.api.transaction.TypeAndPath;
 import org.apache.zookeeper.MultiTransactionRecord;
 import org.apache.zookeeper.Op;
 import java.util.List;
@@ -28,30 +29,18 @@
 {
     private final List<TypeAndPath>     metadata = Lists.newArrayList();
 
-    static class TypeAndPath
-    {
-        final OperationType type;
-        final String forPath;
-
-        TypeAndPath(OperationType type, String forPath)
-        {
-            this.type = type;
-            this.forPath = forPath;
-        }
-    }
-
     @Override
     public final void add(Op op)
     {
         throw new UnsupportedOperationException();
     }
-    
+
     void add(Op op, OperationType type, String forPath)
     {
         super.add(op);
         metadata.add(new TypeAndPath(type, forPath));
     }
-    
+
     TypeAndPath     getMetadata(int index)
     {
         return metadata.get(index);
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorTransactionImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorTransactionImpl.java
index 13ffe82..20ec274 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorTransactionImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorTransactionImpl.java
@@ -16,21 +16,14 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.curator.framework.imps;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import org.apache.curator.RetryLoop;
 import org.apache.curator.framework.api.Pathable;
-import org.apache.curator.framework.api.transaction.CuratorTransaction;
-import org.apache.curator.framework.api.transaction.CuratorTransactionBridge;
-import org.apache.curator.framework.api.transaction.CuratorTransactionFinal;
-import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
-import org.apache.curator.framework.api.transaction.OperationType;
-import org.apache.curator.framework.api.transaction.TransactionCheckBuilder;
-import org.apache.curator.framework.api.transaction.TransactionCreateBuilder;
-import org.apache.curator.framework.api.transaction.TransactionDeleteBuilder;
-import org.apache.curator.framework.api.transaction.TransactionSetDataBuilder;
+import org.apache.curator.framework.api.transaction.*;
 import org.apache.zookeeper.KeeperException;
 import org.apache.zookeeper.Op;
 import org.apache.zookeeper.OpResult;
@@ -43,10 +36,10 @@
 
 class CuratorTransactionImpl implements CuratorTransaction, CuratorTransactionBridge, CuratorTransactionFinal
 {
-    private final CuratorFrameworkImpl              client;
-    private final CuratorMultiTransactionRecord     transaction;
+    private final CuratorFrameworkImpl client;
+    private final CuratorMultiTransactionRecord transaction;
 
-    private boolean         isCommitted = false;
+    private boolean isCommitted = false;
 
     CuratorTransactionImpl(CuratorFrameworkImpl client)
     {
@@ -61,49 +54,58 @@
     }
 
     @Override
-    public TransactionCreateBuilder create()
+    public TransactionCreateBuilder<CuratorTransactionBridge> create()
     {
         Preconditions.checkState(!isCommitted, "transaction already committed");
 
-        return new CreateBuilderImpl(client).asTransactionCreateBuilder(this, transaction);
+        CuratorTransactionBridge asBridge = this;
+        return new CreateBuilderImpl(client).asTransactionCreateBuilder(asBridge, transaction);
     }
 
     @Override
-    public TransactionDeleteBuilder delete()
+    public TransactionDeleteBuilder<CuratorTransactionBridge> delete()
     {
         Preconditions.checkState(!isCommitted, "transaction already committed");
 
-        return new DeleteBuilderImpl(client).asTransactionDeleteBuilder(this, transaction);
+        CuratorTransactionBridge asBridge = this;
+        return new DeleteBuilderImpl(client).asTransactionDeleteBuilder(asBridge, transaction);
     }
 
     @Override
-    public TransactionSetDataBuilder setData()
+    public TransactionSetDataBuilder<CuratorTransactionBridge> setData()
     {
         Preconditions.checkState(!isCommitted, "transaction already committed");
 
-        return new SetDataBuilderImpl(client).asTransactionSetDataBuilder(this, transaction);
+        CuratorTransactionBridge asBridge = this;
+        return new SetDataBuilderImpl(client).asTransactionSetDataBuilder(asBridge, transaction);
     }
 
     @Override
-    public TransactionCheckBuilder check()
+    public TransactionCheckBuilder<CuratorTransactionBridge> check()
     {
         Preconditions.checkState(!isCommitted, "transaction already committed");
 
-        return new TransactionCheckBuilder()
+        CuratorTransactionBridge asBridge = this;
+        return makeTransactionCheckBuilder(client, asBridge, transaction);
+    }
+
+    static <T> TransactionCheckBuilder<T> makeTransactionCheckBuilder(final CuratorFrameworkImpl client, final T context, final CuratorMultiTransactionRecord transaction)
+    {
+        return new TransactionCheckBuilder<T>()
         {
-            private int         version = -1;
+            private int version = -1;
 
             @Override
-            public CuratorTransactionBridge forPath(String path) throws Exception
+            public T forPath(String path) throws Exception
             {
-                String      fixedPath = client.fixForNamespace(path);
+                String fixedPath = client.fixForNamespace(path);
                 transaction.add(Op.check(fixedPath, version), OperationType.CHECK, path);
 
-                return CuratorTransactionImpl.this;
+                return context;
             }
 
             @Override
-            public Pathable<CuratorTransactionBridge> withVersion(int version)
+            public Pathable<T> withVersion(int version)
             {
                 this.version = version;
                 return this;
@@ -118,65 +120,44 @@
         isCommitted = true;
 
         final AtomicBoolean firstTime = new AtomicBoolean(true);
-        List<OpResult>      resultList = RetryLoop.callWithRetry
-        (
-            client.getZookeeperClient(),
-            new Callable<List<OpResult>>()
-            {
-                @Override
-                public List<OpResult> call() throws Exception
+        List<OpResult> resultList = RetryLoop.callWithRetry
+            (
+                client.getZookeeperClient(),
+                new Callable<List<OpResult>>()
                 {
-                    return doOperation(firstTime);
+                    @Override
+                    public List<OpResult> call() throws Exception
+                    {
+                        return doOperation(firstTime);
+                    }
                 }
-            }
-        );
-        
+            );
+
         if ( resultList.size() != transaction.metadataSize() )
         {
             throw new IllegalStateException(String.format("Result size (%d) doesn't match input size (%d)", resultList.size(), transaction.metadataSize()));
         }
 
-        ImmutableList.Builder<CuratorTransactionResult>     builder = ImmutableList.builder();
+        return wrapResults(client, resultList, transaction);
+    }
+
+    static List<CuratorTransactionResult> wrapResults(CuratorFrameworkImpl client, List<OpResult> resultList, CuratorMultiTransactionRecord transaction)
+    {
+        ImmutableList.Builder<CuratorTransactionResult> builder = ImmutableList.builder();
         for ( int i = 0; i < resultList.size(); ++i )
         {
-            OpResult                                    opResult = resultList.get(i);
-            CuratorMultiTransactionRecord.TypeAndPath   metadata = transaction.getMetadata(i);
-            CuratorTransactionResult                    curatorResult = makeCuratorResult(opResult, metadata);
+            OpResult opResult = resultList.get(i);
+            TypeAndPath metadata = transaction.getMetadata(i);
+            CuratorTransactionResult curatorResult = makeCuratorResult(client, opResult, metadata);
             builder.add(curatorResult);
         }
 
         return builder.build();
     }
 
-    private List<OpResult> doOperation(AtomicBoolean firstTime) throws Exception
+    static CuratorTransactionResult makeCuratorResult(CuratorFrameworkImpl client, OpResult opResult, TypeAndPath metadata)
     {
-        boolean         localFirstTime = firstTime.getAndSet(false);
-        if ( !localFirstTime )
-        {
-
-        }
-
-        List<OpResult>  opResults = client.getZooKeeper().multi(transaction);
-        if ( opResults.size() > 0 )
-        {
-            OpResult        firstResult = opResults.get(0);
-            if ( firstResult.getType() == ZooDefs.OpCode.error )
-            {
-                OpResult.ErrorResult        error = (OpResult.ErrorResult)firstResult;
-                KeeperException.Code        code = KeeperException.Code.get(error.getErr());
-                if ( code == null )
-                {
-                    code = KeeperException.Code.UNIMPLEMENTED;
-                }
-                throw KeeperException.create(code);
-            }
-        }
-        return opResults;
-    }
-
-    private CuratorTransactionResult makeCuratorResult(OpResult opResult, CuratorMultiTransactionRecord.TypeAndPath metadata)
-    {
-        String                                      resultPath = null;
+        String resultPath = null;
         Stat resultStat = null;
         switch ( opResult.getType() )
         {
@@ -188,19 +169,45 @@
 
             case ZooDefs.OpCode.create:
             {
-                OpResult.CreateResult       createResult = (OpResult.CreateResult)opResult;
+                OpResult.CreateResult createResult = (OpResult.CreateResult)opResult;
                 resultPath = client.unfixForNamespace(createResult.getPath());
                 break;
             }
 
             case ZooDefs.OpCode.setData:
             {
-                OpResult.SetDataResult      setDataResult = (OpResult.SetDataResult)opResult;
+                OpResult.SetDataResult setDataResult = (OpResult.SetDataResult)opResult;
                 resultStat = setDataResult.getStat();
                 break;
             }
         }
 
-        return new CuratorTransactionResult(metadata.type, metadata.forPath, resultPath, resultStat);
+        return new CuratorTransactionResult(metadata.getType(), metadata.getForPath(), resultPath, resultStat);
+    }
+
+    private List<OpResult> doOperation(AtomicBoolean firstTime) throws Exception
+    {
+        boolean localFirstTime = firstTime.getAndSet(false);
+        if ( !localFirstTime )
+        {
+            // TODO
+        }
+
+        List<OpResult> opResults = client.getZooKeeper().multi(transaction);
+        if ( opResults.size() > 0 )
+        {
+            OpResult firstResult = opResults.get(0);
+            if ( firstResult.getType() == ZooDefs.OpCode.error )
+            {
+                OpResult.ErrorResult error = (OpResult.ErrorResult)firstResult;
+                KeeperException.Code code = KeeperException.Code.get(error.getErr());
+                if ( code == null )
+                {
+                    code = KeeperException.Code.UNIMPLEMENTED;
+                }
+                throw KeeperException.create(code);
+            }
+        }
+        return opResults;
     }
 }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/DeleteBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/DeleteBuilderImpl.java
index 9db0013..51641b8 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/DeleteBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/DeleteBuilderImpl.java
@@ -28,7 +28,6 @@
 import org.apache.curator.framework.api.CuratorEventType;
 import org.apache.curator.framework.api.DeleteBuilder;
 import org.apache.curator.framework.api.Pathable;
-import org.apache.curator.framework.api.transaction.CuratorTransactionBridge;
 import org.apache.curator.framework.api.transaction.OperationType;
 import org.apache.curator.framework.api.transaction.TransactionDeleteBuilder;
 import org.apache.curator.utils.ZKPaths;
@@ -55,20 +54,20 @@
         guaranteed = false;
     }
 
-    TransactionDeleteBuilder asTransactionDeleteBuilder(final CuratorTransactionImpl curatorTransaction, final CuratorMultiTransactionRecord transaction)
+    <T> TransactionDeleteBuilder<T> asTransactionDeleteBuilder(final T context, final CuratorMultiTransactionRecord transaction)
     {
-        return new TransactionDeleteBuilder()
+        return new TransactionDeleteBuilder<T>()
         {
             @Override
-            public CuratorTransactionBridge forPath(String path) throws Exception
+            public T forPath(String path) throws Exception
             {
                 String fixedPath = client.fixForNamespace(path);
                 transaction.add(Op.delete(fixedPath, version), OperationType.DELETE, path);
-                return curatorTransaction;
+                return context;
             }
 
             @Override
-            public Pathable<CuratorTransactionBridge> withVersion(int version)
+            public Pathable<T> withVersion(int version)
             {
                 DeleteBuilderImpl.this.withVersion(version);
                 return this;
@@ -159,7 +158,7 @@
                         }
                         else
                         {
-                            CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.DELETE, rc, path, null, ctx, null, null, null, null, null);
+                            CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.DELETE, rc, path, null, ctx, null, null, null, null, null, null);
                             client.processBackgroundOperation(operationAndData, event);
                         }
                     }
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/ExistsBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/ExistsBuilderImpl.java
index d4a059d..345bcf5 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/ExistsBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/ExistsBuilderImpl.java
@@ -131,7 +131,7 @@
             public void processResult(int rc, String path, Object ctx, Stat stat)
             {
                 trace.commit();
-                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.EXISTS, rc, path, null, ctx, stat, null, null, null, null);
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.EXISTS, rc, path, null, ctx, stat, null, null, null, null, null);
                 client.processBackgroundOperation(operationAndData, event);
             }
         };
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/ExtractingCuratorOp.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/ExtractingCuratorOp.java
new file mode 100644
index 0000000..7a5db69
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/ExtractingCuratorOp.java
@@ -0,0 +1,54 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.imps;
+
+import com.google.common.base.Preconditions;
+import org.apache.curator.framework.api.transaction.CuratorOp;
+import org.apache.curator.framework.api.transaction.TypeAndPath;
+import org.apache.zookeeper.Op;
+
+class ExtractingCuratorOp implements CuratorOp
+{
+    private final CuratorMultiTransactionRecord record = new CuratorMultiTransactionRecord();
+
+    CuratorMultiTransactionRecord getRecord()
+    {
+        return record;
+    }
+
+    @Override
+    public TypeAndPath getTypeAndPath()
+    {
+        validate();
+        return record.getMetadata(0);
+    }
+
+    @Override
+    public Op get()
+    {
+        validate();
+        return record.iterator().next();
+    }
+
+    private void validate()
+    {
+        Preconditions.checkArgument(record.size() > 0, "No operation has been added");
+        Preconditions.checkArgument(record.size() == 1, "Multiple operations added");
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetACLBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetACLBuilderImpl.java
index 250c2c8..f65c933 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetACLBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetACLBuilderImpl.java
@@ -104,7 +104,7 @@
             public void processResult(int rc, String path, Object ctx, List<ACL> acl, Stat stat)
             {
                 trace.commit();
-                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.GET_ACL, rc, path, null, ctx, stat, null, null, null, acl);
+                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.GET_ACL, rc, path, null, ctx, stat, null, null, null, acl, null);
                 client.processBackgroundOperation(operationAndData, event);
             }
         };
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetChildrenBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetChildrenBuilderImpl.java
index 16f6d4b..03010ce 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetChildrenBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetChildrenBuilderImpl.java
@@ -162,7 +162,7 @@
                 {
                     strings = Lists.newArrayList();
                 }
-                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.CHILDREN, rc, path, null, o, stat, null, strings, null, null);
+                CuratorEventImpl event = new CuratorEventImpl(client, CuratorEventType.CHILDREN, rc, path, null, o, stat, null, strings, null, null, null);
                 client.processBackgroundOperation(operationAndData, event);
             }
         };
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetConfigBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetConfigBuilderImpl.java
new file mode 100644
index 0000000..a837809
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetConfigBuilderImpl.java
@@ -0,0 +1,187 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.imps;
+
+import org.apache.curator.RetryLoop;
+import org.apache.curator.TimeTrace;
+import org.apache.curator.framework.api.BackgroundCallback;
+import org.apache.curator.framework.api.BackgroundStatable;
+import org.apache.curator.framework.api.CuratorEvent;
+import org.apache.curator.framework.api.CuratorEventType;
+import org.apache.curator.framework.api.CuratorWatcher;
+import org.apache.curator.framework.api.Ensembleable;
+import org.apache.curator.framework.api.GetConfigBuilder;
+import org.apache.zookeeper.AsyncCallback;
+import org.apache.zookeeper.Watcher;
+import org.apache.zookeeper.data.Stat;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executor;
+
+public class GetConfigBuilderImpl implements GetConfigBuilder, BackgroundOperation<Void>
+{
+    private final CuratorFrameworkImpl client;
+
+    private Backgrounding backgrounding;
+    private Watching watching;
+    private Stat stat;
+
+    public GetConfigBuilderImpl(CuratorFrameworkImpl client)
+    {
+        this.client = client;
+        backgrounding = new Backgrounding();
+        watching = new Watching();
+    }
+
+    @Override
+    public Ensembleable<byte[]> storingStatIn(Stat stat)
+    {
+        this.stat = stat;
+        return this;
+    }
+
+    @Override
+    public BackgroundStatable<Ensembleable<byte[]>> watched()
+    {
+        watching = new Watching(true);
+        return this;
+    }
+
+    @Override
+    public GetConfigBuilder usingWatcher(Watcher watcher)
+    {
+        watching = new Watching(client, watcher);
+        return this;
+    }
+
+    @Override
+    public GetConfigBuilder usingWatcher(final CuratorWatcher watcher)
+    {
+        watching = new Watching(client, watcher);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground()
+    {
+        backgrounding = new Backgrounding(true);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground(Object context)
+    {
+        backgrounding = new Backgrounding(context);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground(BackgroundCallback callback)
+    {
+        backgrounding = new Backgrounding(callback);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground(BackgroundCallback callback, Object context)
+    {
+        backgrounding = new Backgrounding(callback, context);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground(BackgroundCallback callback, Executor executor)
+    {
+        backgrounding = new Backgrounding(callback, executor);
+        return this;
+    }
+
+    @Override
+    public Ensembleable<byte[]> inBackground(BackgroundCallback callback, Object context, Executor executor)
+    {
+        backgrounding = new Backgrounding(client, callback, context, executor);
+        return this;
+    }
+
+    @Override
+    public byte[] forEnsemble() throws Exception
+    {
+        if ( backgrounding.inBackground() )
+        {
+            client.processBackgroundOperation(new OperationAndData<Void>(this, null, backgrounding.getCallback(), null, backgrounding.getContext()), null);
+            return null;
+        }
+        else
+        {
+            return configInForeground();
+        }
+    }
+
+    @Override
+    public void performBackgroundOperation(final OperationAndData<Void> operationAndData) throws Exception
+    {
+        final TimeTrace trace = client.getZookeeperClient().startTracer("GetDataBuilderImpl-Background");
+        AsyncCallback.DataCallback callback = new AsyncCallback.DataCallback()
+        {
+            @Override
+            public void processResult(int rc, String path, Object ctx, byte[] data, Stat stat)
+            {
+                trace.commit();
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.GET_CONFIG, rc, path, null, ctx, stat, data, null, null, null, null);
+                client.processBackgroundOperation(operationAndData, event);
+            }
+        };
+        if ( watching.isWatched() )
+        {
+            client.getZooKeeper().getConfig(true, callback, backgrounding.getContext());
+        }
+        else
+        {
+            client.getZooKeeper().getConfig(watching.getWatcher(), callback, backgrounding.getContext());
+        }
+    }
+
+    private byte[] configInForeground() throws Exception
+    {
+        TimeTrace trace = client.getZookeeperClient().startTracer("GetConfigBuilderImpl-Foreground");
+        try
+        {
+            return RetryLoop.callWithRetry
+            (
+                client.getZookeeperClient(),
+                new Callable<byte[]>()
+                {
+                    @Override
+                    public byte[] call() throws Exception
+                    {
+                        if ( watching.isWatched() )
+                        {
+                            return client.getZooKeeper().getConfig(true, stat);
+                        }
+                        return client.getZooKeeper().getConfig(watching.getWatcher(), stat);
+                    }
+                }
+            );
+        }
+        finally
+        {
+            trace.commit();
+        }
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetDataBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetDataBuilderImpl.java
index e994b03..23da075 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/GetDataBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/GetDataBuilderImpl.java
@@ -250,7 +250,7 @@
                         rc = KeeperException.Code.DATAINCONSISTENCY.intValue();
                     }
                 }
-                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.GET_DATA, rc, path, null, ctx, stat, data, null, null, null);
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.GET_DATA, rc, path, null, ctx, stat, data, null, null, null, null);
                 client.processBackgroundOperation(operationAndData, event);
             }
         };
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/ReconfigBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/ReconfigBuilderImpl.java
new file mode 100644
index 0000000..0efa481
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/ReconfigBuilderImpl.java
@@ -0,0 +1,504 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.imps;
+
+import com.google.common.collect.ImmutableList;
+import org.apache.curator.RetryLoop;
+import org.apache.curator.TimeTrace;
+import org.apache.curator.framework.api.*;
+import org.apache.zookeeper.AsyncCallback;
+import org.apache.zookeeper.data.Stat;
+import org.apache.zookeeper.server.DataTree;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executor;
+
+public class ReconfigBuilderImpl implements
+    ReconfigBuilder,
+    ReconfigBuilderMain,
+    StatEnsembleable<byte[]>,
+    Configurable,
+    StatConfigEnsembleable,
+    BackgroundOperation<Void>
+{
+    private final CuratorFrameworkImpl client;
+
+    private Backgrounding backgrounding = new Backgrounding();
+    private Stat responseStat;
+    private long fromConfig = -1;
+    private List<String> adding;
+    private List<String> joining;
+    private List<String> leaving;
+
+    public ReconfigBuilderImpl(CuratorFrameworkImpl client)
+    {
+        this.client = client;
+    }
+
+    @Override
+    public byte[] forEnsemble() throws Exception
+    {
+        if ( backgrounding.inBackground() )
+        {
+            client.processBackgroundOperation(new OperationAndData<>(this, null, backgrounding.getCallback(), null, backgrounding.getContext()), null);
+            return new byte[0];
+        }
+        else
+        {
+            return ensembleInForeground();
+        }
+    }
+
+    @Override
+    public Ensembleable<byte[]> storingStatIn(Stat stat)
+    {
+        responseStat = stat;
+        return this;
+    }
+
+    @Override
+    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+    {
+        fromConfig = config;
+        return this;
+    }
+
+    @Override
+    public JoinLeaveStatConfigEnsembleable adding(String... server)
+    {
+        return adding((server != null) ? Arrays.asList(server) : null);
+    }
+
+    @Override
+    public JoinLeaveStatConfigEnsembleable adding(List<String> servers)
+    {
+        this.adding = (servers != null) ? ImmutableList.copyOf(servers) : ImmutableList.<String>of();
+
+        return new JoinLeaveStatConfigEnsembleable()
+        {
+            @Override
+            public byte[] forEnsemble() throws Exception
+            {
+                return ReconfigBuilderImpl.this.forEnsemble();
+            }
+
+            @Override
+            public Ensembleable<byte[]> storingStatIn(Stat stat)
+            {
+                return ReconfigBuilderImpl.this.storingStatIn(stat);
+            }
+
+            @Override
+            public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+            {
+                return ReconfigBuilderImpl.this.fromConfig(config);
+            }
+
+            @Override
+            public LeaveStatConfigEnsembleable joining(String... server)
+            {
+                return joining((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public LeaveStatConfigEnsembleable joining(List<String> servers)
+            {
+                return new LeaveStatConfigEnsembleable()
+                {
+                    @Override
+                    public byte[] forEnsemble() throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.forEnsemble();
+                    }
+
+                    @Override
+                    public Ensembleable<byte[]> storingStatIn(Stat stat)
+                    {
+                        return ReconfigBuilderImpl.this.storingStatIn(stat);
+                    }
+
+                    @Override
+                    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.fromConfig(config);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable leaving(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.leaving(servers);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable leaving(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.leaving(server);
+                    }
+                };
+            }
+
+            @Override
+            public JoinStatConfigEnsembleable leaving(String... server)
+            {
+                return leaving((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public JoinStatConfigEnsembleable leaving(List<String> servers)
+            {
+                return new JoinStatConfigEnsembleable()
+                {
+                    @Override
+                    public byte[] forEnsemble() throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.forEnsemble();
+                    }
+
+                    @Override
+                    public Ensembleable<byte[]> storingStatIn(Stat stat)
+                    {
+                        return ReconfigBuilderImpl.this.storingStatIn(stat);
+                    }
+
+                    @Override
+                    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.fromConfig(config);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable joining(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.joining(servers);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable joining(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.joining(server);
+                    }
+                };
+            }
+        };
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground()
+    {
+        backgrounding = new Backgrounding(true);
+        return this;
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground(Object context)
+    {
+        backgrounding = new Backgrounding(context);
+        return this;
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground(BackgroundCallback callback)
+    {
+        backgrounding = new Backgrounding(callback);
+        return this;
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground(BackgroundCallback callback, Object context)
+    {
+        backgrounding = new Backgrounding(callback, context);
+        return this;
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground(BackgroundCallback callback, Executor executor)
+    {
+        backgrounding = new Backgrounding(callback, executor);
+        return this;
+    }
+
+    @Override
+    public ReconfigBuilderMain inBackground(BackgroundCallback callback, Object context, Executor executor)
+    {
+        backgrounding = new Backgrounding(client, callback, context, executor);
+        return this;
+    }
+
+    @Override
+    public LeaveAddStatConfigEnsembleable joining(String... server)
+    {
+        return joining((server != null) ? Arrays.asList(server) : null);
+    }
+
+    @Override
+    public LeaveAddStatConfigEnsembleable joining(List<String> servers)
+    {
+        joining = (servers != null) ? ImmutableList.copyOf(servers) : ImmutableList.<String>of();
+
+        return new LeaveAddStatConfigEnsembleable()
+        {
+            @Override
+            public byte[] forEnsemble() throws Exception
+            {
+                return ReconfigBuilderImpl.this.forEnsemble();
+            }
+
+            @Override
+            public Ensembleable<byte[]> storingStatIn(Stat stat)
+            {
+                return ReconfigBuilderImpl.this.storingStatIn(stat);
+            }
+
+            @Override
+            public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+            {
+                return ReconfigBuilderImpl.this.fromConfig(config);
+            }
+
+            @Override
+            public LeaveStatConfigEnsembleable adding(String... server)
+            {
+                return adding((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public LeaveStatConfigEnsembleable adding(List<String> servers)
+            {
+                return new LeaveStatConfigEnsembleable()
+                {
+                    @Override
+                    public byte[] forEnsemble() throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.forEnsemble();
+                    }
+
+                    @Override
+                    public Ensembleable<byte[]> storingStatIn(Stat stat)
+                    {
+                        return ReconfigBuilderImpl.this.storingStatIn(stat);
+                    }
+
+                    @Override
+                    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.fromConfig(config);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable leaving(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.leaving(servers);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable leaving(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.leaving(server);
+                    }
+                };
+            }
+
+            @Override
+            public AddStatConfigEnsembleable leaving(String... server)
+            {
+                return leaving((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public AddStatConfigEnsembleable leaving(List<String> servers)
+            {
+                return new AddStatConfigEnsembleable()
+                {
+                    @Override
+                    public byte[] forEnsemble() throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.forEnsemble();
+                    }
+
+                    @Override
+                    public Ensembleable<byte[]> storingStatIn(Stat stat)
+                    {
+                        return ReconfigBuilderImpl.this.storingStatIn(stat);
+                    }
+
+                    @Override
+                    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.fromConfig(config);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable adding(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.adding(servers);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable adding(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.adding(server);
+                    }
+                };
+            }
+        };
+    }
+
+    @Override
+    public JoinAddStatConfigEnsembleable leaving(String... server)
+    {
+        return leaving((server != null) ? Arrays.asList(server) : null);
+    }
+
+    @Override
+    public JoinAddStatConfigEnsembleable leaving(List<String> servers)
+    {
+        leaving = (servers != null) ? ImmutableList.copyOf(servers) : ImmutableList.<String>of();
+
+        return new JoinAddStatConfigEnsembleable()
+        {
+            @Override
+            public byte[] forEnsemble() throws Exception
+            {
+                return ReconfigBuilderImpl.this.forEnsemble();
+            }
+
+            @Override
+            public Ensembleable<byte[]> storingStatIn(Stat stat)
+            {
+                return ReconfigBuilderImpl.this.storingStatIn(stat);
+            }
+
+            @Override
+            public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+            {
+                return ReconfigBuilderImpl.this.fromConfig(config);
+            }
+
+            @Override
+            public JoinStatConfigurable adding(String... server)
+            {
+                return adding((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public JoinStatConfigurable adding(List<String> servers)
+            {
+                return new JoinStatConfigurable()
+                {
+                    @Override
+                    public Configurable joining(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.joining(servers);
+                    }
+
+                    @Override
+                    public Configurable joining(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.joining(server);
+                    }
+                };
+            }
+
+            @Override
+            public AddStatConfigEnsembleable joining(String... server)
+            {
+                return joining((server != null) ? Arrays.asList(server) : null);
+            }
+
+            @Override
+            public AddStatConfigEnsembleable joining(List<String> servers)
+            {
+                return new AddStatConfigEnsembleable()
+                {
+                    @Override
+                    public byte[] forEnsemble() throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.forEnsemble();
+                    }
+
+                    @Override
+                    public Ensembleable<byte[]> storingStatIn(Stat stat)
+                    {
+                        return ReconfigBuilderImpl.this.storingStatIn(stat);
+                    }
+
+                    @Override
+                    public StatEnsembleable<byte[]> fromConfig(long config) throws Exception
+                    {
+                        return ReconfigBuilderImpl.this.fromConfig(config);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable adding(List<String> servers)
+                    {
+                        return ReconfigBuilderImpl.this.adding(servers);
+                    }
+
+                    @Override
+                    public StatConfigEnsembleable adding(String... server)
+                    {
+                        return ReconfigBuilderImpl.this.adding(server);
+                    }
+                };
+            }
+        };
+    }
+
+    @Override
+    public void performBackgroundOperation(final OperationAndData<Void> data) throws Exception
+    {
+        final TimeTrace trace = client.getZookeeperClient().startTracer("ReconfigBuilderImpl-Background");
+        AsyncCallback.DataCallback callback = new AsyncCallback.DataCallback()
+        {
+            @Override
+            public void processResult(int rc, String path, Object ctx, byte[] bytes, Stat stat)
+            {
+                trace.commit();
+                if ( (responseStat != null) && (stat != null) )
+                {
+                    DataTree.copyStat(stat, responseStat);
+                }
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.RECONFIG, rc, path, null, ctx, stat, bytes, null, null, null, null);
+                client.processBackgroundOperation(data, event);
+            }
+        };
+        client.getZooKeeper().reconfig(joining, leaving, adding, fromConfig, callback, backgrounding.getContext());
+    }
+
+    private byte[] ensembleInForeground() throws Exception
+    {
+        TimeTrace trace = client.getZookeeperClient().startTracer("ReconfigBuilderImpl-Foreground");
+        byte[] responseData = RetryLoop.callWithRetry
+            (
+                client.getZookeeperClient(),
+                new Callable<byte[]>()
+                {
+                    @Override
+                    public byte[] call() throws Exception
+                    {
+                        return client.getZooKeeper().reconfig(joining, leaving, adding, fromConfig, responseStat);
+                    }
+                }
+            );
+        trace.commit();
+        return responseData;
+    }
+}
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/SetACLBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/SetACLBuilderImpl.java
index f7b2480..17e88f8 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/SetACLBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/SetACLBuilderImpl.java
@@ -138,7 +138,7 @@
                 public void processResult(int rc, String path, Object ctx, Stat stat)
                 {
                     trace.commit();
-                    CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SET_ACL, rc, path, null, ctx, stat, null, null, null, null);
+                    CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SET_ACL, rc, path, null, ctx, stat, null, null, null, null, null);
                     client.processBackgroundOperation(operationAndData, event);
                 }
             },
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/SetDataBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/SetDataBuilderImpl.java
index 8e93cbf..3ea704c 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/SetDataBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/SetDataBuilderImpl.java
@@ -20,7 +20,6 @@
 
 import org.apache.curator.RetryLoop;
 import org.apache.curator.TimeTrace;
-import org.apache.curator.framework.api.ACLPathAndBytesable;
 import org.apache.curator.framework.api.BackgroundCallback;
 import org.apache.curator.framework.api.BackgroundPathAndBytesable;
 import org.apache.curator.framework.api.CuratorEvent;
@@ -28,13 +27,11 @@
 import org.apache.curator.framework.api.PathAndBytesable;
 import org.apache.curator.framework.api.SetDataBackgroundVersionable;
 import org.apache.curator.framework.api.SetDataBuilder;
-import org.apache.curator.framework.api.transaction.CuratorTransactionBridge;
 import org.apache.curator.framework.api.transaction.OperationType;
 import org.apache.curator.framework.api.transaction.TransactionSetDataBuilder;
 import org.apache.zookeeper.AsyncCallback;
 import org.apache.zookeeper.Op;
 import org.apache.zookeeper.data.Stat;
-
 import java.util.concurrent.Callable;
 import java.util.concurrent.Executor;
 
@@ -53,12 +50,12 @@
         compress = false;
     }
 
-    TransactionSetDataBuilder   asTransactionSetDataBuilder(final CuratorTransactionImpl curatorTransaction, final CuratorMultiTransactionRecord transaction)
+    <T> TransactionSetDataBuilder<T> asTransactionSetDataBuilder(final T context, final CuratorMultiTransactionRecord transaction)
     {
-        return new TransactionSetDataBuilder()
+        return new TransactionSetDataBuilder<T>()
         {
             @Override
-            public CuratorTransactionBridge forPath(String path, byte[] data) throws Exception
+            public T forPath(String path, byte[] data) throws Exception
             {
                 if ( compress )
                 {
@@ -67,26 +64,26 @@
                 
                 String      fixedPath = client.fixForNamespace(path);
                 transaction.add(Op.setData(fixedPath, data, version), OperationType.SET_DATA, path);
-                return curatorTransaction;
+                return context;
             }
 
             @Override
-            public CuratorTransactionBridge forPath(String path) throws Exception
+            public T forPath(String path) throws Exception
             {
                 return forPath(path, client.getDefaultData());
             }
 
             @Override
-            public PathAndBytesable<CuratorTransactionBridge> withVersion(int version)
+            public PathAndBytesable<T> withVersion(int version)
             {
                 SetDataBuilderImpl.this.withVersion(version);
                 return this;
             }
 
             @Override
-            public PathAndBytesable<CuratorTransactionBridge> compressed() {
+            public PathAndBytesable<T> compressed()
+            {
                 compress = true;
-                
                 return this;
             }
         };
@@ -219,7 +216,7 @@
                 public void processResult(int rc, String path, Object ctx, Stat stat)
                 {
                     trace.commit();
-                    CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SET_DATA, rc, path, null, ctx, stat, null, null, null, null);
+                    CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SET_DATA, rc, path, null, ctx, stat, null, null, null, null, null);
                     client.processBackgroundOperation(operationAndData, event);
                 }
             },
@@ -246,7 +243,7 @@
         Stat        resultStat = null;
         if ( backgrounding.inBackground()  )
         {
-            client.processBackgroundOperation(new OperationAndData<PathAndBytes>(this, new PathAndBytes(path, data), backgrounding.getCallback(), null, backgrounding.getContext()), null);
+            client.processBackgroundOperation(new OperationAndData<>(this, new PathAndBytes(path, data), backgrounding.getCallback(), null, backgrounding.getContext()), null);
         }
         else
         {
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/SyncBuilderImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/SyncBuilderImpl.java
index 2d3e9c0..cab31ae 100644
--- a/curator-framework/src/main/java/org/apache/curator/framework/imps/SyncBuilderImpl.java
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/SyncBuilderImpl.java
@@ -93,7 +93,7 @@
             public void processResult(int rc, String path, Object ctx)
             {
                 trace.commit();
-                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SYNC, rc, path, path, ctx, null, null, null, null, null);
+                CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SYNC, rc, path, path, ctx, null, null, null, null, null, null);
                 client.processBackgroundOperation(operationAndData, event);
             }
         };
diff --git a/curator-framework/src/main/java/org/apache/curator/framework/imps/TransactionOpImpl.java b/curator-framework/src/main/java/org/apache/curator/framework/imps/TransactionOpImpl.java
new file mode 100644
index 0000000..381842b
--- /dev/null
+++ b/curator-framework/src/main/java/org/apache/curator/framework/imps/TransactionOpImpl.java
@@ -0,0 +1,65 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.curator.framework.imps;
+
+import org.apache.curator.framework.api.transaction.CuratorOp;
+import org.apache.curator.framework.api.transaction.TransactionCheckBuilder;
+import org.apache.curator.framework.api.transaction.TransactionCreateBuilder;
+import org.apache.curator.framework.api.transaction.TransactionDeleteBuilder;
+import org.apache.curator.framework.api.transaction.TransactionOp;
+import org.apache.curator.framework.api.transaction.TransactionSetDataBuilder;
+
+public class TransactionOpImpl implements TransactionOp
+{
+    private final CuratorFrameworkImpl client;
+
+    public TransactionOpImpl(CuratorFrameworkImpl client)
+    {
+        this.client = client;
+    }
+
+    @Override
+    public TransactionCreateBuilder<CuratorOp> create()
+    {
+        ExtractingCuratorOp op = new ExtractingCuratorOp();
+        return new CreateBuilderImpl(client).<CuratorOp>asTransactionCreateBuilder(op, op.getRecord());
+    }
+
+    @Override
+    public TransactionDeleteBuilder<CuratorOp> delete()
+    {
+        ExtractingCuratorOp op = new ExtractingCuratorOp();
+        return new DeleteBuilderImpl(client).<CuratorOp>asTransactionDeleteBuilder(op, op.getRecord());
+    }
+
+    @Override
+    public TransactionSetDataBuilder<CuratorOp> setData()
+    {
+        ExtractingCuratorOp op = new ExtractingCuratorOp();
+        return new SetDataBuilderImpl(client).<CuratorOp>asTransactionSetDataBuilder(op, op.getRecord());
+    }
+
+    @Override
+    public TransactionCheckBuilder<CuratorOp> check()
+    {
+        ExtractingCuratorOp op = new ExtractingCuratorOp();
+        return CuratorTransactionImpl.<CuratorOp>makeTransactionCheckBuilder(client, op, op.getRecord());
+    }
+
+}
diff --git a/curator-framework/src/site/confluence/index.confluence b/curator-framework/src/site/confluence/index.confluence
index efde81b..b79ece4 100644
--- a/curator-framework/src/site/confluence/index.confluence
+++ b/curator-framework/src/site/confluence/index.confluence
@@ -42,7 +42,12 @@
 |getData()|Begins an operation to get a ZNode's data. Call additional methods (watch, background or get stat) and finalize the operation by calling forPath()|
 |setData()|Begins an operation to set a ZNode's data. Call additional methods (version or background) and finalize the operation by calling forPath()|
 |getChildren()|Begins an operation to get a ZNode's list of children ZNodes. Call additional methods (watch, background or get stat) and finalize the operation by calling forPath()|
-|inTransaction()|Begins an atomic ZooKeeper transaction. Combine create, setData, check, and/or delete operations and then commit() as a unit.|
+|transactionOp()|Used to allocate operations to be used with transaction().|
+|transaction()|Atomically submit a set of operations as a transaction.|
+|getACL()|Begins an operation to return a ZNode's ACL settings. Call additional methods and finalize the operation by calling forPath()|
+|setACL()|Begins an operation to set a ZNode's ACL settings. Call additional methods and finalize the operation by calling forPath()|
+|getConfig()|Begins an operation to return the last committed configuration. Call additional methods and finalize the operation by calling forEnsemble()|
+|reconfig()|Begins an operation to change the configuration. Call additional methods and finalize the operation by calling forEnsemble()|
 
 h3. Notifications
 Notifications for background operations and watches are published via the ClientListener interface. You register listeners with the
@@ -59,10 +64,16 @@
 |CREATE|getResultCode() and getPath()|
 |DELETE|getResultCode() and getPath()|
 |EXISTS|getResultCode(), getPath() and getStat()|
-|GET_DATA|getResultCode(), getPath(), getStat() and getData()|
-|SET_DATA|getResultCode(), getPath() and getStat()|
+|GET\_DATA|getResultCode(), getPath(), getStat() and getData()|
+|SET\_DATA|getResultCode(), getPath() and getStat()|
 |CHILDREN|getResultCode(), getPath(), getStat(), getChildren()|
+|SYNC|getResultCode(), getStat()|
+|GET\_ACL|getResultCode(), getACLList()|
+|SET\_ACL|getResultCode()|
+|TRANSACTION|getResultCode(), getOpResults()|
 |WATCHED|getWatchedEvent()|
+|GET\_CONFIG|getResultCode(), getData()|
+|RECONFIG|getResultCode(), getData()|
 
 h2. Namespaces
 Because a ZooKeeper cluster is a shared environment, it's vital that a namespace convention is
diff --git a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionNew.java
similarity index 78%
copy from curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java
copy to curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionNew.java
index c18af99..d302119 100644
--- a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java
+++ b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionNew.java
@@ -18,18 +18,16 @@
  */
 package org.apache.curator.framework.imps;
 
-import org.apache.curator.test.BaseClassForTests;
-import org.apache.curator.utils.CloseableUtils;
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.CuratorFrameworkFactory;
-import org.apache.curator.framework.api.CompressionProvider;
+import org.apache.curator.framework.api.transaction.CuratorOp;
 import org.apache.curator.retry.RetryOneTime;
+import org.apache.curator.test.BaseClassForTests;
+import org.apache.curator.utils.CloseableUtils;
 import org.testng.Assert;
 import org.testng.annotations.Test;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
-public class TestCompressionInTransaction extends BaseClassForTests
+public class TestCompressionInTransactionNew extends BaseClassForTests
 {
     @Test
     public void testSetData() throws Exception
@@ -43,11 +41,13 @@
             client.start();
 
             //Create uncompressed data in a transaction
-            client.inTransaction().create().forPath(path, data).and().commit();
+            CuratorOp op = client.transactionOp().create().forPath(path, data);
+            client.transaction().forOperations(op);
             Assert.assertEquals(data, client.getData().forPath(path));
 
             //Create compressed data in transaction
-            client.inTransaction().setData().compressed().forPath(path, data).and().commit();
+            op = client.transactionOp().setData().compressed().forPath(path, data);
+            client.transaction().forOperations(op);
             Assert.assertEquals(data, client.getData().decompressed().forPath(path));
         }
         finally
@@ -71,16 +71,18 @@
             client.start();
 
             //Create the nodes
-            client.inTransaction().create().compressed().forPath(path1).and().
-            create().forPath(path2).and().commit();
+            CuratorOp op1 = client.transactionOp().create().compressed().forPath(path1);
+            CuratorOp op2 = client.transactionOp().create().forPath(path2);
+            client.transaction().forOperations(op1, op2);
 
             //Check they exist
             Assert.assertNotNull(client.checkExists().forPath(path1));
             Assert.assertNotNull(client.checkExists().forPath(path2));
             
             //Set the nodes, path1 compressed, path2 uncompressed.
-            client.inTransaction().setData().compressed().forPath(path1, data1).and().
-            setData().forPath(path2, data2).and().commit();
+            op1 = client.transactionOp().setData().compressed().forPath(path1, data1);
+            op2 = client.transactionOp().setData().forPath(path2, data2);
+            client.transaction().forOperations(op1, op2);
             
             Assert.assertNotEquals(data1, client.getData().forPath(path1));
             Assert.assertEquals(data1, client.getData().decompressed().forPath(path1));
@@ -107,8 +109,10 @@
         {
             client.start();
 
-            client.inTransaction().create().compressed().forPath(path1, data1).and().
-            create().compressed().forPath(path2, data2).and().commit();
+            CuratorOp op1 = client.transactionOp().create().compressed().forPath(path1, data1);
+            CuratorOp op2 = client.transactionOp().create().compressed().forPath(path2, data2);
+
+            client.transaction().forOperations(op1, op2);
 
             Assert.assertNotEquals(data1, client.getData().forPath(path1));
             Assert.assertEquals(data1, client.getData().decompressed().forPath(path1));
@@ -141,8 +145,9 @@
         {
             client.start();
 
-            client.inTransaction().create().compressed().forPath(path1, data1).and().
-            create().forPath(path2, data2).and().commit();
+            CuratorOp op1 = client.transactionOp().create().compressed().forPath(path1, data1);
+            CuratorOp op2 = client.transactionOp().create().forPath(path2, data2);
+            client.transaction().forOperations(op1, op2);
 
             Assert.assertNotEquals(data1, client.getData().forPath(path1));
             Assert.assertEquals(data1, client.getData().decompressed().forPath(path1));
diff --git a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionOld.java
similarity index 97%
rename from curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java
rename to curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionOld.java
index c18af99..ebf591b 100644
--- a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransaction.java
+++ b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestCompressionInTransactionOld.java
@@ -29,7 +29,8 @@
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-public class TestCompressionInTransaction extends BaseClassForTests
+@SuppressWarnings("deprecation")
+public class TestCompressionInTransactionOld extends BaseClassForTests
 {
     @Test
     public void testSetData() throws Exception
diff --git a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestReconfiguration.java b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestReconfiguration.java
new file mode 100644
index 0000000..133e690
--- /dev/null
+++ b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestReconfiguration.java
@@ -0,0 +1,417 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.imps;
+
+import org.apache.curator.ensemble.EnsembleListener;
+import org.apache.curator.ensemble.dynamic.DynamicEnsembleProvider;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.CuratorFrameworkFactory;
+import org.apache.curator.framework.api.BackgroundCallback;
+import org.apache.curator.framework.api.CuratorEvent;
+import org.apache.curator.framework.ensemble.EnsembleTracker;
+import org.apache.curator.retry.RetryOneTime;
+import org.apache.curator.test.InstanceSpec;
+import org.apache.curator.test.TestingCluster;
+import org.apache.curator.utils.CloseableUtils;
+import org.apache.zookeeper.data.Stat;
+import org.apache.zookeeper.server.quorum.flexible.QuorumMaj;
+import org.apache.zookeeper.server.quorum.flexible.QuorumVerifier;
+import org.testng.Assert;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class TestReconfiguration
+{
+    private TestingCluster cluster;
+    private DynamicEnsembleProvider dynamicEnsembleProvider;
+    private WaitOnDelegateListener waitOnDelegateListener;
+    private EnsembleTracker ensembleTracker;
+    private CuratorFramework client;
+
+    private String connectionString1to5;
+    private String connectionString2to5;
+    private String connectionString3to5;
+
+    @BeforeMethod
+    public void setup() throws Exception
+    {
+        cluster = new TestingCluster(5);
+        cluster.start();
+
+        connectionString1to5 = cluster.getConnectString();
+        connectionString2to5 = getConnectionString(cluster, 2, 3, 4, 5);
+        connectionString3to5 = getConnectionString(cluster, 3, 4, 5);
+
+        dynamicEnsembleProvider = new DynamicEnsembleProvider(connectionString1to5);
+        client = CuratorFrameworkFactory.builder()
+            .ensembleProvider(dynamicEnsembleProvider)
+            .retryPolicy(new RetryOneTime(1))
+            .build();
+        client.start();
+        client.blockUntilConnected();
+
+        //Wrap around the dynamic ensemble provider, so that we can wait until it has received the event.
+        waitOnDelegateListener = new WaitOnDelegateListener(dynamicEnsembleProvider);
+        ensembleTracker = new EnsembleTracker(client);
+        ensembleTracker.getListenable().addListener(waitOnDelegateListener);
+        ensembleTracker.start();
+        //Wait for the initial event.
+        waitOnDelegateListener.waitForEvent();
+    }
+
+    @AfterMethod
+    public void tearDown() throws IOException
+    {
+        CloseableUtils.closeQuietly(ensembleTracker);
+        CloseableUtils.closeQuietly(client);
+        CloseableUtils.closeQuietly(cluster);
+    }
+
+    @Test
+    public void testSyncIncremental() throws Exception
+    {
+        Stat stat = new Stat();
+        byte[] bytes = client.getConfig().storingStatIn(stat).forEnsemble();
+        Assert.assertNotNull(bytes);
+        QuorumVerifier qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+        String server1 = getServerString(qv, cluster, 1L);
+        String server2 = getServerString(qv, cluster, 2L);
+
+        //Remove Servers
+        bytes = client.reconfig().leaving("1").fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+
+        bytes = client.reconfig().leaving("2").fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 3);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString3to5);
+
+        //Add Servers
+        bytes = client.reconfig().joining("server.2=" + server2).fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+
+        bytes = client.reconfig().joining("server.1=" + server1).fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString1to5);
+    }
+
+    @Test
+    public void testAsyncIncremental() throws Exception
+    {
+        final AtomicReference<byte[]> bytes = new AtomicReference<>();
+        final BackgroundCallback callback = new BackgroundCallback()
+        {
+            @Override
+            public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
+            {
+                bytes.set(event.getData());
+                //We only need the latch on getConfig.
+                if ( event.getContext() != null )
+                {
+                    ((CountDownLatch)event.getContext()).countDown();
+                }
+            }
+
+        };
+
+        CountDownLatch latch = new CountDownLatch(1);
+        client.getConfig().inBackground(callback, latch).forEnsemble();
+        latch.await(5, TimeUnit.SECONDS);
+        Assert.assertNotNull(bytes.get());
+        QuorumVerifier qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+        String server1 = getServerString(qv, cluster, 1L);
+        String server2 = getServerString(qv, cluster, 2L);
+
+        //Remove Servers
+        client.reconfig().inBackground(callback).leaving("1").fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        client.reconfig().inBackground(callback, latch).leaving("2").fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString3to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 3);
+
+        //Add Servers
+        client.reconfig().inBackground(callback, latch).joining("server.2=" + server2).fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        client.reconfig().inBackground(callback, latch).joining("server.1=" + server1).fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString1to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+    }
+
+    @Test
+    public void testSyncNonIncremental() throws Exception
+    {
+        Stat stat = new Stat();
+        byte[] bytes = client.getConfig().storingStatIn(stat).forEnsemble();
+        Assert.assertNotNull(bytes);
+        QuorumVerifier qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+        String server1 = getServerString(qv, cluster, 1L);
+        String server2 = getServerString(qv, cluster, 2L);
+        String server3 = getServerString(qv, cluster, 3L);
+        String server4 = getServerString(qv, cluster, 4L);
+        String server5 = getServerString(qv, cluster, 5L);
+
+        //Remove Servers
+        bytes = client.reconfig()
+            .adding("server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+
+        bytes = client.reconfig()
+            .adding("server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 3);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString3to5);
+
+        //Add Servers
+        bytes = client.reconfig()
+            .adding("server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+
+        bytes = client.reconfig()
+            .adding("server.1=" + server1,
+                "server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).storingStatIn(stat).forEnsemble();
+        qv = getQuorumVerifier(bytes);
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString1to5);
+    }
+
+    @Test
+    public void testAsyncNonIncremental() throws Exception
+    {
+        final AtomicReference<byte[]> bytes = new AtomicReference<>();
+        final BackgroundCallback callback = new BackgroundCallback()
+        {
+            @Override
+            public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
+            {
+                bytes.set(event.getData());
+                ((CountDownLatch)event.getContext()).countDown();
+            }
+
+        };
+
+        CountDownLatch latch = new CountDownLatch(1);
+        client.getConfig().inBackground(callback, latch).forEnsemble();
+        latch.await(5, TimeUnit.SECONDS);
+        Assert.assertNotNull(bytes.get());
+        QuorumVerifier qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+        String server1 = getServerString(qv, cluster, 1L);
+        String server2 = getServerString(qv, cluster, 2L);
+        String server3 = getServerString(qv, cluster, 3L);
+        String server4 = getServerString(qv, cluster, 4L);
+        String server5 = getServerString(qv, cluster, 5L);
+
+        //Remove Servers
+        client.reconfig().inBackground(callback, latch)
+            .adding("server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        client.reconfig().inBackground(callback, latch)
+            .adding("server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString3to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 3);
+
+        //Add Servers
+        client.reconfig().inBackground(callback, latch)
+            .adding("server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString2to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 4);
+
+        client.reconfig().inBackground(callback, latch)
+            .adding("server.1=" + server1,
+                "server.2=" + server2,
+                "server.3=" + server3,
+                "server.4=" + server4,
+                "server.5=" + server5)
+            .fromConfig(qv.getVersion()).forEnsemble();
+        waitOnDelegateListener.waitForEvent();
+        Assert.assertEquals(dynamicEnsembleProvider.getConnectionString(), connectionString1to5);
+        qv = getQuorumVerifier(bytes.get());
+        Assert.assertEquals(qv.getAllMembers().size(), 5);
+    }
+
+    static QuorumVerifier getQuorumVerifier(byte[] bytes) throws Exception
+    {
+        Properties properties = new Properties();
+        properties.load(new StringReader(new String(bytes)));
+        return new QuorumMaj(properties);
+    }
+
+    static InstanceSpec getInstance(TestingCluster cluster, int id)
+    {
+        for ( InstanceSpec spec : cluster.getInstances() )
+        {
+            if ( spec.getServerId() == id )
+            {
+                return spec;
+            }
+        }
+        throw new IllegalStateException("InstanceSpec with id:" + id + " not found");
+    }
+
+    static String getServerString(QuorumVerifier qv, TestingCluster cluster, long id) throws Exception
+    {
+        String str = qv.getAllMembers().get(id).toString();
+        //check if connection string is already there.
+        if ( str.contains(";") )
+        {
+            return str;
+        }
+        else
+        {
+            return str + ";" + getInstance(cluster, (int)id).getConnectString();
+        }
+    }
+
+    static String getConnectionString(TestingCluster cluster, long... ids) throws Exception
+    {
+        StringBuilder sb = new StringBuilder();
+        Map<Long, InstanceSpec> specs = new HashMap<>();
+        for ( InstanceSpec spec : cluster.getInstances() )
+        {
+            specs.put((long)spec.getServerId(), spec);
+        }
+        for ( long id : ids )
+        {
+            if ( sb.length() != 0 )
+            {
+                sb.append(",");
+            }
+            sb.append(specs.get(id).getConnectString());
+        }
+        return sb.toString();
+    }
+
+    //Simple EnsembleListener that can wait until the delegate handles the event.
+    private static class WaitOnDelegateListener implements EnsembleListener
+    {
+        private CountDownLatch latch = new CountDownLatch(1);
+
+        private final EnsembleListener delegate;
+
+        private WaitOnDelegateListener(EnsembleListener delegate)
+        {
+            this.delegate = delegate;
+        }
+
+        @Override
+        public void connectionStringUpdated(String connectionString)
+        {
+            delegate.connectionStringUpdated(connectionString);
+            latch.countDown();
+        }
+
+        public void waitForEvent() throws InterruptedException, TimeoutException
+        {
+            if ( latch.await(5, TimeUnit.SECONDS) )
+            {
+                latch = new CountDownLatch(1);
+            }
+            else
+            {
+                throw new TimeoutException("Failed to receive event in time.");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsNew.java b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsNew.java
new file mode 100644
index 0000000..eaf94f8
--- /dev/null
+++ b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsNew.java
@@ -0,0 +1,218 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.curator.framework.imps;
+
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Queues;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.CuratorFrameworkFactory;
+import org.apache.curator.framework.api.BackgroundCallback;
+import org.apache.curator.framework.api.CuratorEvent;
+import org.apache.curator.framework.api.transaction.CuratorOp;
+import org.apache.curator.framework.api.transaction.CuratorTransactionResult;
+import org.apache.curator.framework.api.transaction.OperationType;
+import org.apache.curator.retry.RetryOneTime;
+import org.apache.curator.test.BaseClassForTests;
+import org.apache.curator.utils.CloseableUtils;
+import org.apache.zookeeper.CreateMode;
+import org.apache.zookeeper.KeeperException;
+import org.apache.zookeeper.data.Stat;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+public class TestTransactionsNew extends BaseClassForTests
+{
+    @Test
+    public void testCheckVersion() throws Exception
+    {
+        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
+        try
+        {
+            client.start();
+            client.create().forPath("/foo");
+            Stat stat = client.setData().forPath("/foo", "new".getBytes());  // up the version
+
+            CuratorOp statOp = client.transactionOp().check().withVersion(stat.getVersion() + 1).forPath("/foo");
+            CuratorOp createOp = client.transactionOp().create().forPath("/bar");
+            try
+            {
+                client.transaction().forOperations(statOp, createOp);
+                Assert.fail();
+            }
+            catch ( KeeperException.BadVersionException correct )
+            {
+                // correct
+            }
+
+            Assert.assertNull(client.checkExists().forPath("/bar"));
+        }
+        finally
+        {
+            CloseableUtils.closeQuietly(client);
+        }
+    }
+
+    @Test
+    public void testWithNamespace() throws Exception
+    {
+        CuratorFramework client = CuratorFrameworkFactory.builder().connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace("galt").build();
+        try
+        {
+            client.start();
+            CuratorOp createOp1 = client.transactionOp().create().forPath("/foo", "one".getBytes());
+            CuratorOp createOp2 = client.transactionOp().create().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/test-", "one".getBytes());
+            CuratorOp setDataOp = client.transactionOp().setData().forPath("/foo", "two".getBytes());
+            CuratorOp createOp3 = client.transactionOp().create().forPath("/foo/bar");
+            CuratorOp deleteOp = client.transactionOp().delete().forPath("/foo/bar");
+
+            Collection<CuratorTransactionResult> results = client.transaction().forOperations(createOp1, createOp2, setDataOp, createOp3, deleteOp);
+
+            Assert.assertTrue(client.checkExists().forPath("/foo") != null);
+            Assert.assertTrue(client.usingNamespace(null).checkExists().forPath("/galt/foo") != null);
+            Assert.assertEquals(client.getData().forPath("/foo"), "two".getBytes());
+            Assert.assertTrue(client.checkExists().forPath("/foo/bar") == null);
+
+            CuratorTransactionResult ephemeralResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/test-"));
+            Assert.assertNotNull(ephemeralResult);
+            Assert.assertNotEquals(ephemeralResult.getResultPath(), "/test-");
+            Assert.assertTrue(ephemeralResult.getResultPath().startsWith("/test-"));
+        }
+        finally
+        {
+            CloseableUtils.closeQuietly(client);
+        }
+    }
+
+    @Test
+    public void testBasic() throws Exception
+    {
+        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
+        try
+        {
+            client.start();
+            CuratorOp createOp1 = client.transactionOp().create().forPath("/foo");
+            CuratorOp createOp2 = client.transactionOp().create().forPath("/foo/bar", "snafu".getBytes());
+
+            Collection<CuratorTransactionResult> results = client.transaction().forOperations(createOp1, createOp2);
+
+            Assert.assertTrue(client.checkExists().forPath("/foo/bar") != null);
+            Assert.assertEquals(client.getData().forPath("/foo/bar"), "snafu".getBytes());
+
+            CuratorTransactionResult fooResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo"));
+            CuratorTransactionResult fooBarResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo/bar"));
+            Assert.assertNotNull(fooResult);
+            Assert.assertNotNull(fooBarResult);
+            Assert.assertNotSame(fooResult, fooBarResult);
+            Assert.assertEquals(fooResult.getResultPath(), "/foo");
+            Assert.assertEquals(fooBarResult.getResultPath(), "/foo/bar");
+        }
+        finally
+        {
+            CloseableUtils.closeQuietly(client);
+        }
+    }
+
+    @Test
+    public void testBackground() throws Exception
+    {
+        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
+        try
+        {
+            client.start();
+            CuratorOp createOp1 = client.transactionOp().create().forPath("/foo");
+            CuratorOp createOp2 = client.transactionOp().create().forPath("/foo/bar", "snafu".getBytes());
+
+            final BlockingQueue<List<CuratorTransactionResult>> queue = Queues.newLinkedBlockingQueue();
+            BackgroundCallback callback = new BackgroundCallback()
+            {
+                @Override
+                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
+                {
+                    queue.add(event.getOpResults());
+                }
+            };
+            client.transaction().inBackground(callback).forOperations(createOp1, createOp2);
+            Collection<CuratorTransactionResult> results = queue.poll(5, TimeUnit.SECONDS);
+
+            Assert.assertNotNull(results);
+            Assert.assertTrue(client.checkExists().forPath("/foo/bar") != null);
+            Assert.assertEquals(client.getData().forPath("/foo/bar"), "snafu".getBytes());
+
+            CuratorTransactionResult fooResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo"));
+            CuratorTransactionResult fooBarResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo/bar"));
+            Assert.assertNotNull(fooResult);
+            Assert.assertNotNull(fooBarResult);
+            Assert.assertNotSame(fooResult, fooBarResult);
+            Assert.assertEquals(fooResult.getResultPath(), "/foo");
+            Assert.assertEquals(fooBarResult.getResultPath(), "/foo/bar");
+        }
+        finally
+        {
+            CloseableUtils.closeQuietly(client);
+        }
+    }
+
+    @Test
+    public void testBackgroundWithNamespace() throws Exception
+    {
+        CuratorFramework client = CuratorFrameworkFactory.builder().connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace("galt").build();
+        try
+        {
+            client.start();
+            CuratorOp createOp1 = client.transactionOp().create().forPath("/foo", "one".getBytes());
+            CuratorOp createOp2 = client.transactionOp().create().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/test-", "one".getBytes());
+            CuratorOp setDataOp = client.transactionOp().setData().forPath("/foo", "two".getBytes());
+            CuratorOp createOp3 = client.transactionOp().create().forPath("/foo/bar");
+            CuratorOp deleteOp = client.transactionOp().delete().forPath("/foo/bar");
+
+            final BlockingQueue<List<CuratorTransactionResult>> queue = Queues.newLinkedBlockingQueue();
+            BackgroundCallback callback = new BackgroundCallback()
+            {
+                @Override
+                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
+                {
+                    queue.add(event.getOpResults());
+                }
+            };
+            client.transaction().inBackground(callback).forOperations(createOp1, createOp2, setDataOp, createOp3, deleteOp);
+
+            Collection<CuratorTransactionResult> results = queue.poll(5, TimeUnit.SECONDS);
+
+            Assert.assertNotNull(results);
+            Assert.assertTrue(client.checkExists().forPath("/foo") != null);
+            Assert.assertTrue(client.usingNamespace(null).checkExists().forPath("/galt/foo") != null);
+            Assert.assertEquals(client.getData().forPath("/foo"), "two".getBytes());
+            Assert.assertTrue(client.checkExists().forPath("/foo/bar") == null);
+
+            CuratorTransactionResult ephemeralResult = Iterables.find(results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/test-"));
+            Assert.assertNotNull(ephemeralResult);
+            Assert.assertNotEquals(ephemeralResult.getResultPath(), "/test-");
+            Assert.assertTrue(ephemeralResult.getResultPath().startsWith("/test-"));
+        }
+        finally
+        {
+            CloseableUtils.closeQuietly(client);
+        }
+    }
+}
diff --git a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactions.java b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsOld.java
similarity index 93%
rename from curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactions.java
rename to curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsOld.java
index ae2cf1d..f0147d5 100644
--- a/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactions.java
+++ b/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTransactionsOld.java
@@ -25,6 +25,7 @@
 import org.apache.curator.framework.api.transaction.OperationType;
 import org.apache.curator.retry.RetryOneTime;
 import org.apache.curator.test.BaseClassForTests;
+import org.apache.curator.utils.CloseableUtils;
 import org.apache.zookeeper.CreateMode;
 import org.apache.zookeeper.KeeperException;
 import org.apache.zookeeper.data.Stat;
@@ -32,15 +33,16 @@
 import org.testng.annotations.Test;
 import java.util.Collection;
 
-public class TestTransactions extends BaseClassForTests
+@SuppressWarnings("deprecation")
+public class TestTransactionsOld extends BaseClassForTests
 {
     @Test
     public void     testCheckVersion() throws Exception
     {
         CuratorFramework        client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
-        client.start();
         try
         {
+            client.start();
             client.create().forPath("/foo");
             Stat        stat = client.setData().forPath("/foo", "new".getBytes());  // up the version
 
@@ -64,7 +66,7 @@
         }
         finally
         {
-            client.close();
+            CloseableUtils.closeQuietly(client);
         }
     }
 
@@ -72,9 +74,9 @@
     public void     testWithNamespace() throws Exception
     {
         CuratorFramework        client = CuratorFrameworkFactory.builder().connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace("galt").build();
-        client.start();
         try
         {
+            client.start();
             Collection<CuratorTransactionResult>    results =
                 client.inTransaction()
                     .create().forPath("/foo", "one".getBytes())
@@ -101,7 +103,7 @@
         }
         finally
         {
-            client.close();
+            CloseableUtils.closeQuietly(client);
         }
     }
 
@@ -109,9 +111,9 @@
     public void     testBasic() throws Exception
     {
         CuratorFramework        client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
-        client.start();
         try
         {
+            client.start();
             Collection<CuratorTransactionResult>    results =
                 client.inTransaction()
                     .create().forPath("/foo")
@@ -133,7 +135,7 @@
         }
         finally
         {
-            client.close();
+            CloseableUtils.closeQuietly(client);
         }
     }
 }
diff --git a/curator-recipes/pom.xml b/curator-recipes/pom.xml
index de45404..3394361 100644
--- a/curator-recipes/pom.xml
+++ b/curator-recipes/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-recipes</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <name>Curator Recipes</name>
diff --git a/curator-recipes/src/test/java/org/apache/curator/framework/recipes/leader/ChaosMonkeyCnxnFactory.java b/curator-recipes/src/test/java/org/apache/curator/framework/recipes/leader/ChaosMonkeyCnxnFactory.java
index 5f10c5e..ce5b23d 100644
--- a/curator-recipes/src/test/java/org/apache/curator/framework/recipes/leader/ChaosMonkeyCnxnFactory.java
+++ b/curator-recipes/src/test/java/org/apache/curator/framework/recipes/leader/ChaosMonkeyCnxnFactory.java
@@ -59,13 +59,6 @@
         super.startup(new ChaosMonkeyZookeeperServer(zks));
     }
 
-    /**
-     * Build a connection with a Chaos Monkey ZookeeperServer
-     */
-    protected NIOServerCnxn createConnection(SocketChannel sock, SelectionKey sk) throws IOException
-    {
-        return new NIOServerCnxn(zkServer, sock, sk, this);
-    }
 
     public static class ChaosMonkeyZookeeperServer extends ZooKeeperServer
     {
diff --git a/curator-test/pom.xml b/curator-test/pom.xml
index 96809d8..80eedb2 100644
--- a/curator-test/pom.xml
+++ b/curator-test/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-test</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
 
     <name>Curator Testing</name>
     <description>Unit testing utilities.</description>
diff --git a/curator-test/src/main/java/org/apache/curator/test/InstanceSpec.java b/curator-test/src/main/java/org/apache/curator/test/InstanceSpec.java
index b39a949..6d495df 100644
--- a/curator-test/src/main/java/org/apache/curator/test/InstanceSpec.java
+++ b/curator-test/src/main/java/org/apache/curator/test/InstanceSpec.java
@@ -70,6 +70,10 @@
     private final int tickTime;
     private final int maxClientCnxns;
 
+    public static void reset() {
+        nextServerId.set(1);
+    }
+
     public static InstanceSpec newInstanceSpec()
     {
         return new InstanceSpec(null, -1, -1, -1, true, -1, -1, -1);
diff --git a/curator-test/src/main/java/org/apache/curator/test/QuorumConfigBuilder.java b/curator-test/src/main/java/org/apache/curator/test/QuorumConfigBuilder.java
index 8add08e..02979ee 100644
--- a/curator-test/src/main/java/org/apache/curator/test/QuorumConfigBuilder.java
+++ b/curator-test/src/main/java/org/apache/curator/test/QuorumConfigBuilder.java
@@ -99,7 +99,7 @@
         {
             for ( InstanceSpec thisSpec : instanceSpecs )
             {
-                properties.setProperty("server." + thisSpec.getServerId(), String.format("localhost:%d:%d", thisSpec.getQuorumPort(), thisSpec.getElectionPort()));
+                properties.setProperty("server." + thisSpec.getServerId(), String.format("localhost:%d:%d;localhost:%d", thisSpec.getQuorumPort(), thisSpec.getElectionPort(), thisSpec.getPort()));
             }
         }
 
diff --git a/curator-test/src/main/java/org/apache/curator/test/TestingCluster.java b/curator-test/src/main/java/org/apache/curator/test/TestingCluster.java
index cd86b72..f6bdbd8 100644
--- a/curator-test/src/main/java/org/apache/curator/test/TestingCluster.java
+++ b/curator-test/src/main/java/org/apache/curator/test/TestingCluster.java
@@ -249,6 +249,7 @@
 
     private static Map<InstanceSpec, Collection<InstanceSpec>> makeSpecs(int instanceQty)
     {
+        InstanceSpec.reset();
         ImmutableList.Builder<InstanceSpec> builder = ImmutableList.builder();
         for ( int i = 0; i < instanceQty; ++i )
         {
diff --git a/curator-x-discovery-server/pom.xml b/curator-x-discovery-server/pom.xml
index 2728ce5..0bd9670 100644
--- a/curator-x-discovery-server/pom.xml
+++ b/curator-x-discovery-server/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-x-discovery-server</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <name>Curator Service Discovery Server</name>
diff --git a/curator-x-discovery/pom.xml b/curator-x-discovery/pom.xml
index 015fea7..6f380ae 100644
--- a/curator-x-discovery/pom.xml
+++ b/curator-x-discovery/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <groupId>org.apache.curator</groupId>
         <artifactId>apache-curator</artifactId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>curator-x-discovery</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <name>Curator Service Discovery</name>
diff --git a/curator-x-rpc/pom.xml b/curator-x-rpc/pom.xml
index 299ef9f..e6ed5e8 100644
--- a/curator-x-rpc/pom.xml
+++ b/curator-x-rpc/pom.xml
@@ -22,12 +22,12 @@
     <parent>
         <artifactId>apache-curator</artifactId>
         <groupId>org.apache.curator</groupId>
-        <version>2.8.1-SNAPSHOT</version>
+        <version>3.0.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>curator-x-rpc</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
 
     <name>Curator RPC Proxy</name>
     <description>A proxy that bridges non-java environments with the Curator framework and recipes</description>
diff --git a/pom.xml b/pom.xml
index cb747b7..8c984ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.apache.curator</groupId>
     <artifactId>apache-curator</artifactId>
-    <version>2.8.1-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Apache Curator</name>
@@ -56,12 +56,12 @@
         <project.build.resourceEncoding>UTF-8</project.build.resourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <jdk-version>1.6</jdk-version>
+        <jdk-version>1.7</jdk-version>
 
         <surefire-forkcount>1</surefire-forkcount>
 
         <!-- versions -->
-        <zookeeper-version>3.4.6</zookeeper-version>
+        <zookeeper-version>3.5.0-alpha</zookeeper-version>
         <maven-project-info-reports-plugin-version>2.7</maven-project-info-reports-plugin-version>
         <maven-bundle-plugin-version>2.3.7</maven-bundle-plugin-version>
         <maven-javadoc-plugin-version>2.10.3</maven-javadoc-plugin-version>
diff --git a/src/site/confluence/utilities.confluence b/src/site/confluence/utilities.confluence
index 16bbc13..f0d927d 100644
--- a/src/site/confluence/utilities.confluence
+++ b/src/site/confluence/utilities.confluence
@@ -25,3 +25,8 @@
 Due to limitations in ZooKeeper's transport layer, a single queue will break if it has more than 10K\-ish items in it. This class
 provides a facade over multiple distributed queues. It monitors the queues and if any one of them goes over a threshold, a new
 queue is added. Puts are distributed amongst the queues.
+
+h2. EnsembleTracker
+
+Utility to listen for ensemble/configuration changes via registered EnsembleListeners. Allocate a EnsembleTracker, add one or more listeners
+and start it.