SLIDER-13 move registry code to diamond <> generic ctors

git-svn-id: https://svn.apache.org/repos/asf/incubator/slider/trunk@1592710 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfigSet.java b/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfigSet.java
index 41b3619..407a1da 100644
--- a/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfigSet.java
+++ b/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfigSet.java
@@ -35,7 +35,7 @@
 public class PublishedConfigSet {
 
   public Map<String, PublishedConfiguration> configurations =
-      new HashMap<String, PublishedConfiguration>();
+      new HashMap<>();
 
   public void put(String name, PublishedConfiguration conf) {
     configurations.put(name, conf);
diff --git a/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfiguration.java b/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfiguration.java
index 00bdeb5..d90be7d 100644
--- a/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfiguration.java
+++ b/slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfiguration.java
@@ -55,7 +55,7 @@
     return updated;
   }
 
-  public Map<String, String> entries = new HashMap<String, String>();
+  public Map<String, String> entries = new HashMap<>();
 
   /**
    * Is the configuration empty. This means either that it has not
@@ -74,7 +74,7 @@
    * @param entries entries to put
    */
   public void putValues(Iterable<Map.Entry<String, String>> entries) {
-    this.entries = new HashMap<String, String>();
+    this.entries = new HashMap<>();
     for (Map.Entry<String, String> entry : entries) {
       this.entries.put(entry.getKey(), entry.getValue());
     }
diff --git a/slider-core/src/main/java/org/apache/slider/core/registry/info/RegistryView.java b/slider-core/src/main/java/org/apache/slider/core/registry/info/RegistryView.java
index 61167e0..07e4981 100644
--- a/slider-core/src/main/java/org/apache/slider/core/registry/info/RegistryView.java
+++ b/slider-core/src/main/java/org/apache/slider/core/registry/info/RegistryView.java
@@ -31,7 +31,7 @@
   /**
    * Endpoints
    */
-  public Map<String, RegisteredEndpoint> endpoints = new HashMap<String, RegisteredEndpoint>(2);
+  public Map<String, RegisteredEndpoint> endpoints = new HashMap<>(2);
 
   public String configurationsURL;
   
diff --git a/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZKIntegration.java b/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZKIntegration.java
index d039b2e..7e044b5 100644
--- a/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZKIntegration.java
+++ b/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZKIntegration.java
@@ -49,7 +49,7 @@
   public static String SVC_SLIDER = "/" + ZK_SERVICES + "/" + ZK_SLIDER;
   public static String SVC_SLIDER_USERS = SVC_SLIDER + "/" + ZK_USERS;
 
-  public static List<String> ZK_USERS_PATH_LIST = new ArrayList<String>();
+  public static List<String> ZK_USERS_PATH_LIST = new ArrayList<>();
   static {
     ZK_USERS_PATH_LIST.add(ZK_SERVICES);
     ZK_USERS_PATH_LIST.add(ZK_SLIDER);
diff --git a/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZookeeperUtils.java b/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZookeeperUtils.java
index a998cf1..84a9321 100644
--- a/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZookeeperUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/core/registry/zk/ZookeeperUtils.java
@@ -47,7 +47,7 @@
   public static List<String> splitToPairs(String hostPortQuorumList) {
     // split an address hot
     String[] strings = StringUtils.getStrings(hostPortQuorumList);
-    List<String> tuples = new ArrayList<String>(strings.length);
+    List<String> tuples = new ArrayList<>(strings.length);
     for (String s : strings) {
       tuples.add(s.trim());
     }
@@ -62,7 +62,7 @@
   public static List<HostAndPort> splitToHostsAndPorts(String hostPortQuorumList) {
     // split an address hot
     String[] strings = StringUtils.getStrings(hostPortQuorumList);
-    List<HostAndPort> list = new ArrayList<HostAndPort>(strings.length);
+    List<HostAndPort> list = new ArrayList<>(strings.length);
     for (String s : strings) {
       list.add(HostAndPort.fromString(s.trim()));
     }
@@ -103,7 +103,7 @@
    * @return
    */
   public static String buildQuorum(List<HostAndPort> hostAndPorts, int defaultPort) {
-    List<String> entries = new ArrayList<String>(hostAndPorts.size());
+    List<String> entries = new ArrayList<>(hostAndPorts.size());
     for (HostAndPort hostAndPort : hostAndPorts) {
       entries.add(buildQuorumEntry(hostAndPort, defaultPort));
     }