| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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. |
| * <p> |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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. |
| */ |
| /** |
| * 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.crunch.kafka.utils; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.zookeeper.server.NIOServerCnxnFactory; |
| import org.apache.zookeeper.server.ZooKeeperServer; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| |
| /** |
| * Embedded Zookeeper instance for testing purposes. |
| * <p> |
| * Adapted from the {@code kafka.zk.EmbeddedZookeeper} class. |
| * </p> |
| */ |
| class EmbeddedZookeeper { |
| |
| private final File snapshotDir; |
| private final File logDir; |
| private final NIOServerCnxnFactory factory; |
| |
| /** |
| * Constructs an embedded Zookeeper instance. |
| * |
| * @param connectString Zookeeper connection string. |
| * |
| * @throws IOException if an error occurs during Zookeeper initialization. |
| */ |
| public EmbeddedZookeeper(String connectString) throws IOException { |
| this.snapshotDir = KafkaTestUtils.getTempDir(); |
| this.logDir = KafkaTestUtils.getTempDir(); |
| this.factory = new NIOServerCnxnFactory(); |
| String hostname = connectString.split(":")[0]; |
| int port = Integer.valueOf(connectString.split(":")[1]); |
| int maxClientConnections = 1024; |
| factory.configure(new InetSocketAddress(hostname, port), maxClientConnections); |
| try { |
| int tickTime = 500; |
| factory.startup(new ZooKeeperServer(snapshotDir, logDir, tickTime)); |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| /** |
| * Shuts down the embedded Zookeeper instance. |
| */ |
| public void shutdown() throws IOException { |
| factory.shutdown(); |
| FileUtils.deleteDirectory(snapshotDir); |
| FileUtils.deleteDirectory(logDir); |
| } |
| } |
| |