http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SimplifyingPredicateVisitorTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SimplifyingPredicateVisitorTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SimplifyingPredicateVisitorTest.java
index c5ccc3c..0e9ac75 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SimplifyingPredicateVisitorTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SimplifyingPredicateVisitorTest.java
@@ -159,7 +159,7 @@ public class SimplifyingPredicateVisitorTest {
     verify(provider);
     reset(provider);
     
expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>emptySet());
-    
expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.<String>singleton(PROPERTY_D));
+    
expect(provider.checkPropertyIds(capture(propertiesCapture))).andReturn(Collections.singleton(PROPERTY_D));
     replay(provider);
 
     // ---

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
index 0ac186d..6191295 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackAdvisorResourceProviderTest.java
@@ -52,10 +52,10 @@ public class StackAdvisorResourceProviderTest {
         keyPropertyIds, ambariManagementController);
 
     Request request = mock(Request.class);
-    Set<Map<String, Object>> propertiesSet = new HashSet<Map<String, 
Object>>();
-    Map<String, Object> propertiesMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> propertiesSet = new HashSet<>();
+    Map<String, Object> propertiesMap = new HashMap<>();
     propertiesMap.put(CONFIGURATIONS_PROPERTY_ID + 
"site/properties/string_prop", "string");
-    List<Object> array = new ArrayList<Object>();
+    List<Object> array = new ArrayList<>();
     array.add("array1");
     array.add("array2");
     propertiesMap.put(CONFIGURATIONS_PROPERTY_ID + 
"site/properties/array_prop", array);
@@ -87,10 +87,10 @@ public class StackAdvisorResourceProviderTest {
                                                                                
  keyPropertyIds, ambariManagementController);
 
     Request request = mock(Request.class);
-    Set<Map<String, Object>> propertiesSet = new HashSet<Map<String, 
Object>>();
-    Map<String, Object> propertiesMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> propertiesSet = new HashSet<>();
+    Map<String, Object> propertiesMap = new HashMap<>();
     propertiesMap.put(CONFIGURATIONS_PROPERTY_ID + 
"site/properties/string_prop", "string");
-    List<Object> array = new ArrayList<Object>();
+    List<Object> array = new ArrayList<>();
     array.add("array1");
     array.add("array2");
     propertiesMap.put(USER_CONTEXT_OPERATION_PROPERTY, "op1");
@@ -117,10 +117,10 @@ public class StackAdvisorResourceProviderTest {
       keyPropertyIds, ambariManagementController);
 
     Request request = mock(Request.class);
-    Set<Map<String, Object>> propertiesSet = new HashSet<Map<String, 
Object>>();
-    Map<String, Object> propertiesMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> propertiesSet = new HashSet<>();
+    Map<String, Object> propertiesMap = new HashMap<>();
     propertiesMap.put(CONFIGURATIONS_PROPERTY_ID + 
"site/properties/string_prop", null); //null value means no value specified for 
the property
-    List<Object> array = new ArrayList<Object>();
+    List<Object> array = new ArrayList<>();
     array.add("array1");
     array.add("array2");
     propertiesMap.put(CONFIGURATIONS_PROPERTY_ID + 
"site/properties/array_prop", array);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackArtifactResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackArtifactResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackArtifactResourceProviderTest.java
index 149a91c..880f7ec 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackArtifactResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackArtifactResourceProviderTest.java
@@ -97,7 +97,7 @@ public class StackArtifactResourceProviderTest {
 
     StackArtifactResourceProvider resourceProvider = 
getStackArtifactResourceProvider(managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(ARTIFACT_NAME_PROPERTY_ID);
     propertyIds.add(STACK_NAME_PROPERTY_ID);
     propertyIds.add(STACK_VERSION_PROPERTY_ID);
@@ -142,7 +142,7 @@ public class StackArtifactResourceProviderTest {
 
     StackArtifactResourceProvider resourceProvider = 
getStackArtifactResourceProvider(managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(ARTIFACT_NAME_PROPERTY_ID);
     propertyIds.add(STACK_NAME_PROPERTY_ID);
     propertyIds.add(STACK_VERSION_PROPERTY_ID);
@@ -190,7 +190,7 @@ public class StackArtifactResourceProviderTest {
 
     StackArtifactResourceProvider resourceProvider = 
getStackArtifactResourceProvider(managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(ARTIFACT_NAME_PROPERTY_ID);
     propertyIds.add(STACK_NAME_PROPERTY_ID);
     propertyIds.add(STACK_VERSION_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationDependencyResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationDependencyResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationDependencyResourceProviderTest.java
index 58a657f..8f241af 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationDependencyResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationDependencyResourceProviderTest.java
@@ -45,7 +45,7 @@ public class StackConfigurationDependencyResourceProviderTest 
{
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackConfigurationDependencyResponse> allResponse = new 
HashSet<StackConfigurationDependencyResponse>();
+    Set<StackConfigurationDependencyResponse> allResponse = new HashSet<>();
     
     allResponse.add(new StackConfigurationDependencyResponse("depName", 
"depType"));
    
@@ -62,7 +62,7 @@ public class StackConfigurationDependencyResourceProviderTest 
{
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     
propertyIds.add(StackConfigurationDependencyResourceProvider.STACK_NAME_PROPERTY_ID);
     
propertyIds.add(StackConfigurationDependencyResourceProvider.STACK_VERSION_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationResourceProviderTest.java
index 1f18797..91b8ecc 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackConfigurationResourceProviderTest.java
@@ -47,14 +47,14 @@ public class StackConfigurationResourceProviderTest {
   @Test
   public void testGetResources() throws Exception{
        
-    Map<String, String> attributes = new HashMap<String, String>();
+    Map<String, String> attributes = new HashMap<>();
     attributes.put("final", "true");
 
     Resource.Type type = Resource.Type.StackConfiguration;
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackConfigurationResponse> allResponse = new 
HashSet<StackConfigurationResponse>();
+    Set<StackConfigurationResponse> allResponse = new HashSet<>();
     
     allResponse.add(new StackConfigurationResponse(PROPERTY_NAME, 
PROPERTY_VALUE, PROPERTY_DESC, TYPE, attributes));
    
@@ -71,7 +71,7 @@ public class StackConfigurationResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(StackConfigurationResourceProvider.STACK_NAME_PROPERTY_ID);
     
propertyIds.add(StackConfigurationResourceProvider.STACK_VERSION_PROPERTY_ID);
@@ -120,13 +120,13 @@ public class StackConfigurationResourceProviderTest {
   @Test
   public void testGetResources_noFinal() throws Exception{
 
-    Map<String, String> attributes = new HashMap<String, String>();
+    Map<String, String> attributes = new HashMap<>();
 
     Resource.Type type = Resource.Type.StackConfiguration;
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackConfigurationResponse> allResponse = new 
HashSet<StackConfigurationResponse>();
+    Set<StackConfigurationResponse> allResponse = new HashSet<>();
 
     allResponse.add(new StackConfigurationResponse(PROPERTY_NAME, 
PROPERTY_VALUE, PROPERTY_DESC, TYPE, attributes));
 
@@ -143,7 +143,7 @@ public class StackConfigurationResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(StackConfigurationResourceProvider.STACK_NAME_PROPERTY_ID);
     
propertyIds.add(StackConfigurationResourceProvider.STACK_VERSION_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDefinedPropertyProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDefinedPropertyProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDefinedPropertyProviderTest.java
index dc97f9b..74cf0bf 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDefinedPropertyProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDefinedPropertyProviderTest.java
@@ -143,7 +143,7 @@ public class StackDefinedPropertyProviderTest {
 
     clusters.addHost("h1");
     Host host = clusters.getHost("h1");
-    Map<String, String> hostAttributes = new HashMap<String, String>();
+    Map<String, String> hostAttributes = new HashMap<>();
     hostAttributes.put("os_family", "redhat");
     hostAttributes.put("os_release_version", "6.3");
     host.setHostAttributes(hostAttributes);
@@ -429,7 +429,7 @@ public class StackDefinedPropertyProviderTest {
    */
   public static class CustomMetricProvider3 implements PropertyProvider {
     private static CustomMetricProvider3 instance = null;
-    private Map<String, String> providerProperties = new HashMap<String, 
String>();
+    private Map<String, String> providerProperties = new HashMap<>();
 
     public static CustomMetricProvider3 getInstance(Map<String, String> 
properties, Map<String, Metric> metrics) {
       if (null == instance) {
@@ -595,7 +595,7 @@ public class StackDefinedPropertyProviderTest {
     resource.setProperty(HOST_COMPONENT_STATE_PROPERTY_ID, "STARTED");
 
     // only ask for one property
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
     Request request = 
PropertyHelper.getReadRequest(Collections.singleton("metrics/yarn/Queue/root/AvailableMB"),
 temporalInfoMap);
 
     Assert.assertEquals(1, 
propertyProvider.populateResources(Collections.singleton(resource), request, 
null).size());
@@ -632,7 +632,7 @@ public class StackDefinedPropertyProviderTest {
     resource.setProperty(HOST_COMPONENT_STATE_PROPERTY_ID, "STARTED");
 
     // only ask for one property
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
     Request request = 
PropertyHelper.getReadRequest(Collections.singleton("metrics/yarn/Queue"), 
temporalInfoMap);
 
     Assert.assertEquals(1, 
propertyProvider.populateResources(Collections.singleton(resource), request, 
null).size());
@@ -684,7 +684,7 @@ public class StackDefinedPropertyProviderTest {
     resource.setProperty(HOST_COMPONENT_STATE_PROPERTY_ID, "STARTED");
 
     // only ask for one property
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
     Request request = 
PropertyHelper.getReadRequest(Collections.singleton("metrics/yarn/Queue/root/default"),
 temporalInfoMap);
 
     Assert.assertEquals(1, 
propertyProvider.populateResources(Collections.singleton(resource), request, 
null).size());
@@ -989,7 +989,7 @@ public class StackDefinedPropertyProviderTest {
     String RM_AVAILABLE_MEMORY_PROPERTY = 
PropertyHelper.getPropertyId(RM_CATEGORY_1, "AvailableMB");
 
     // only ask for one property
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
     temporalInfoMap.put(RM_CATEGORY_1, new TemporalInfoImpl(10L, 20L, 1L));
 
     Request request = 
PropertyHelper.getReadRequest(Collections.singleton(RM_CATEGORY_1), 
temporalInfoMap);
@@ -1086,8 +1086,8 @@ public class StackDefinedPropertyProviderTest {
       {"metrics/dfs/journalNode", "txnsWritten", 0.0}
     };
 
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
-    Set<String> properties = new LinkedHashSet<String>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
+    Set<String> properties = new LinkedHashSet<>();
 
     for (Object[] row : testData) {
       properties.add(PropertyHelper.getPropertyId(row[0].toString(), 
row[1].toString()));
@@ -1152,7 +1152,7 @@ public class StackDefinedPropertyProviderTest {
       resource.setProperty(HOST_COMPONENT_COMPONENT_NAME_PROPERTY_ID, 
"RESOURCEMANAGER");
 
       // only ask for one property
-      Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+      Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
       temporalInfoMap.put(metric, new TemporalInfoImpl(10L, 20L, 1L));
       Request request = 
PropertyHelper.getReadRequest(Collections.singleton(metric), temporalInfoMap);
 
@@ -1202,7 +1202,7 @@ public class StackDefinedPropertyProviderTest {
     resource.setProperty(HOST_COMPONENT_COMPONENT_NAME_PROPERTY_ID, 
"HBASE_REGIONSERVER");
 
     // only ask for one property
-    Map<String, TemporalInfo> temporalInfoMap = new HashMap<String, 
TemporalInfo>();
+    Map<String, TemporalInfo> temporalInfoMap = new HashMap<>();
     temporalInfoMap.put(metric, new TemporalInfoImpl(1429824611300L, 
1429825241400L, 1L));
     Request request = 
PropertyHelper.getReadRequest(Collections.singleton(metric), temporalInfoMap);
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDependencyResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDependencyResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDependencyResourceProviderTest.java
index 80976f9..98060d4 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDependencyResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackDependencyResourceProviderTest.java
@@ -74,16 +74,16 @@ public class StackDependencyResourceProviderTest {
     dependencyInfo.setName("service_name/comp_name");
     dependencyInfo.setScope("cluster");
 
-    Predicate namePredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name");
-    Predicate depServicePredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.DEPENDENT_SERVICE_NAME_ID, 
"dep_service_name");
-    Predicate depCompPredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.DEPENDENT_COMPONENT_NAME_ID, 
"dep_comp_name");
-    Predicate stackNamePredicate = new EqualsPredicate<String>
-        (StackDependencyResourceProvider.STACK_NAME_ID, "stack_name");
-    Predicate stackVersionPredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.STACK_VERSION_ID, "stack_version");
+    Predicate namePredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name");
+    Predicate depServicePredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.DEPENDENT_SERVICE_NAME_ID, 
"dep_service_name");
+    Predicate depCompPredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.DEPENDENT_COMPONENT_NAME_ID, 
"dep_comp_name");
+    Predicate stackNamePredicate = new EqualsPredicate<>
+      (StackDependencyResourceProvider.STACK_NAME_ID, "stack_name");
+    Predicate stackVersionPredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.STACK_VERSION_ID, "stack_version");
 
     Predicate andPredicate = new AndPredicate(namePredicate, 
depServicePredicate,
         depCompPredicate, stackNamePredicate, stackVersionPredicate);
@@ -120,18 +120,18 @@ public class StackDependencyResourceProviderTest {
     dependencyInfo.setName("service_name/comp_name");
     dependencyInfo.setScope("cluster");
 
-    Predicate namePredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name");
-    Predicate name2Predicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name2");
-    Predicate depServicePredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.DEPENDENT_SERVICE_NAME_ID, 
"dep_service_name");
-    Predicate depCompPredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.DEPENDENT_COMPONENT_NAME_ID, 
"dep_comp_name");
-    Predicate stackNamePredicate = new EqualsPredicate<String>
-        (StackDependencyResourceProvider.STACK_NAME_ID, "stack_name");
-    Predicate stackVersionPredicate = new EqualsPredicate<String>(
-        StackDependencyResourceProvider.STACK_VERSION_ID, "stack_version");
+    Predicate namePredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name");
+    Predicate name2Predicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.COMPONENT_NAME_ID, "comp_name2");
+    Predicate depServicePredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.DEPENDENT_SERVICE_NAME_ID, 
"dep_service_name");
+    Predicate depCompPredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.DEPENDENT_COMPONENT_NAME_ID, 
"dep_comp_name");
+    Predicate stackNamePredicate = new EqualsPredicate<>
+      (StackDependencyResourceProvider.STACK_NAME_ID, "stack_name");
+    Predicate stackVersionPredicate = new EqualsPredicate<>(
+      StackDependencyResourceProvider.STACK_VERSION_ID, "stack_version");
 
     Predicate andPredicate1 = new AndPredicate(namePredicate, 
depServicePredicate,
         depCompPredicate, stackNamePredicate, stackVersionPredicate);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackLevelConfigurationResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackLevelConfigurationResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackLevelConfigurationResourceProviderTest.java
index 179cc5d..95dffb5 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackLevelConfigurationResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackLevelConfigurationResourceProviderTest.java
@@ -47,14 +47,14 @@ public class StackLevelConfigurationResourceProviderTest {
   @Test
   public void testGetResources() throws Exception{
        
-    Map<String, String> attributes = new HashMap<String, String>();
+    Map<String, String> attributes = new HashMap<>();
     attributes.put("final", "true");
 
     Resource.Type type = Resource.Type.StackLevelConfiguration;
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackConfigurationResponse> allResponse = new 
HashSet<StackConfigurationResponse>();
+    Set<StackConfigurationResponse> allResponse = new HashSet<>();
     
     allResponse.add(new StackConfigurationResponse(PROPERTY_NAME, 
PROPERTY_VALUE, PROPERTY_DESC, TYPE, attributes));
    
@@ -71,7 +71,7 @@ public class StackLevelConfigurationResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     
propertyIds.add(StackLevelConfigurationResourceProvider.STACK_NAME_PROPERTY_ID);
     
propertyIds.add(StackLevelConfigurationResourceProvider.STACK_VERSION_PROPERTY_ID);
@@ -114,13 +114,13 @@ public class StackLevelConfigurationResourceProviderTest {
   @Test
   public void testGetResources_noFinal() throws Exception{
 
-    Map<String, String> attributes = new HashMap<String, String>();
+    Map<String, String> attributes = new HashMap<>();
 
     Resource.Type type = Resource.Type.StackLevelConfiguration;
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackConfigurationResponse> allResponse = new 
HashSet<StackConfigurationResponse>();
+    Set<StackConfigurationResponse> allResponse = new HashSet<>();
 
     allResponse.add(new StackConfigurationResponse(PROPERTY_NAME, 
PROPERTY_VALUE, PROPERTY_DESC, TYPE, attributes));
 
@@ -137,7 +137,7 @@ public class StackLevelConfigurationResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     
propertyIds.add(StackLevelConfigurationResourceProvider.STACK_NAME_PROPERTY_ID);
     
propertyIds.add(StackLevelConfigurationResourceProvider.STACK_VERSION_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackResourceProviderTest.java
index fb81a61..4a67f8b 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackResourceProviderTest.java
@@ -47,7 +47,7 @@ public class StackResourceProviderTest {
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<StackResponse> allResponse = new HashSet<StackResponse>();
+    Set<StackResponse> allResponse = new HashSet<>();
     allResponse.add(new StackResponse("Stack1"));
     allResponse.add(new StackResponse("Stack2"));
 
@@ -63,7 +63,7 @@ public class StackResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(StackResourceProvider.STACK_NAME_PROPERTY_ID);
 
@@ -76,7 +76,7 @@ public class StackResourceProviderTest {
     Assert.assertEquals(2, resources.size());
 
 
-    Set<String> stackNames = new HashSet<String>();
+    Set<String> stackNames = new HashSet<>();
     stackNames.add("Stack1");
     stackNames.add("Stack2");
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackTest.java
index b67d019..1803f45 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StackTest.java
@@ -134,7 +134,7 @@ public class StackTest {
   public void testConfigPropertyReadsInDependencies() throws Exception {
     EasyMockSupport mockSupport = new EasyMockSupport();
 
-    Set<PropertyDependencyInfo> setOfDependencyInfo = new 
HashSet<PropertyDependencyInfo>();
+    Set<PropertyDependencyInfo> setOfDependencyInfo = new HashSet<>();
 
     StackConfigurationResponse mockResponse = 
mockSupport.createMock(StackConfigurationResponse.class);
     expect(mockResponse.getPropertyName()).andReturn("test-property-one");
@@ -187,8 +187,8 @@ public class StackTest {
     
expect(stackComponentResponse.getComponentCategory()).andReturn("test-site.xml").anyTimes();
 
     
expect(controller.getStackConfigurations(capture(stackConfigurationRequestCapture))).
-        andReturn(new HashSet<StackConfigurationResponse>(Arrays.asList(
-            stackConfigurationResponse, 
stackConfigurationResponse2))).anyTimes();
+        andReturn(new HashSet<>(Arrays.asList(
+          stackConfigurationResponse, 
stackConfigurationResponse2))).anyTimes();
 
     // no stack level configs for this test
     
expect(controller.getStackLevelConfigurations(capture(stackLevelConfigurationRequestCapture))).
@@ -335,7 +335,7 @@ public class StackTest {
     
expect(stackServiceResponse.getServiceName()).andReturn(testServiceName).anyTimes();
 
     // Config type test-site is excluded for the service service1
-    
expect(stackServiceResponse.getExcludedConfigTypes()).andReturn(Collections.<String>singleton(testSiteConfigType));
+    
expect(stackServiceResponse.getExcludedConfigTypes()).andReturn(Collections.singleton(testSiteConfigType));
 
     // stack components
     
expect(stackComponentResponse.getComponentName()).andReturn("component1").anyTimes();

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StageResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StageResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StageResourceProviderTest.java
index 38d72e1..c2a6402 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StageResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/StageResourceProviderTest.java
@@ -298,7 +298,7 @@ public class StageResourceProviderTest {
     Predicate predicate = new 
PredicateBuilder().property(StageResourceProvider.STAGE_STAGE_ID).equals(2L).and().
         
property(StageResourceProvider.STAGE_REQUEST_ID).equals(1L).toPredicate();
 
-    Map<String, Object> requestProps = new HashMap<String, Object>();
+    Map<String, Object> requestProps = new HashMap<>();
     requestProps.put(StageResourceProvider.STAGE_STATUS, 
HostRoleStatus.ABORTED.name());
     Request request = PropertyHelper.getUpdateRequest(requestProps, null);
 
@@ -331,14 +331,14 @@ public class StageResourceProviderTest {
     task2.setEndTime(2500L);
 
 
-    Collection<HostRoleCommandEntity> tasks = new 
HashSet<HostRoleCommandEntity>();
+    Collection<HostRoleCommandEntity> tasks = new HashSet<>();
     tasks.add(task1);
     tasks.add(task2);
 
     stage.setHostRoleCommands(tasks);
     stage.setRequestId(1L);
 
-    List<StageEntity> entities = new LinkedList<StageEntity>();
+    List<StageEntity> entities = new LinkedList<>();
     entities.add(stage);
     return entities;
   }

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TargetClusterResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TargetClusterResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TargetClusterResourceProviderTest.java
index 4a78ff3..6dbcc9a 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TargetClusterResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TargetClusterResourceProviderTest.java
@@ -50,7 +50,7 @@ public class TargetClusterResourceProviderTest {
 
   private static Cluster.Interface interface1 = new Cluster.Interface("write", 
"hdfs://ec2.a.b.com:8020", "1.1.2.22");
 
-  private static Map<String, String> interfaces = new HashMap<String, 
String>();
+  private static Map<String, String> interfaces = new HashMap<>();
   static {
     interfaces.put("type", interface1.getType());
     interfaces.put("endpoint", interface1.getEndpoint());
@@ -59,7 +59,7 @@ public class TargetClusterResourceProviderTest {
 
   private static Cluster.Location location1 = new 
Cluster.Location("location1", "/mirrorthis");
 
-  private static Map<String, String> locations  = new HashMap<String, 
String>();
+  private static Map<String, String> locations  = new HashMap<>();
   static {
     locations.put("name", location1.getName());
     locations.put("path", location1.getPath());
@@ -69,9 +69,9 @@ public class TargetClusterResourceProviderTest {
   public void testCreateResources() throws Exception {
     IvoryService service = createMock(IvoryService.class);
 
-    Set<Map<String, Object>> propertySet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> propertySet = new HashSet<>();
 
-    Map<String, Object> properties = new HashMap<String, Object>();
+    Map<String, Object> properties = new HashMap<>();
 
     properties.put(TargetClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID, 
"Cluster1");
     properties.put(TargetClusterResourceProvider.CLUSTER_COLO_PROPERTY_ID, 
"Colo");
@@ -103,11 +103,11 @@ public class TargetClusterResourceProviderTest {
   public void testGetResources() throws Exception {
     IvoryService service = createMock(IvoryService.class);
 
-    Set<Map<String, Object>> propertySet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> propertySet = new HashSet<>();
 
-    Map<String, Object> properties = new HashMap<String, Object>();
+    Map<String, Object> properties = new HashMap<>();
 
-    List<String> targetClusterNames = new LinkedList<String>();
+    List<String> targetClusterNames = new LinkedList<>();
     targetClusterNames.add("Cluster1");
     targetClusterNames.add("Cluster2");
     targetClusterNames.add("Cluster3");
@@ -152,9 +152,9 @@ public class TargetClusterResourceProviderTest {
   public void testUpdateResources() throws Exception {
     IvoryService service = createMock(IvoryService.class);
 
-    Set<Map<String, Object>> propertySet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> propertySet = new HashSet<>();
 
-    Map<String, Object> properties = new HashMap<String, Object>();
+    Map<String, Object> properties = new HashMap<>();
 
     properties.put(TargetClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID, 
"Cluster1");
     properties.put(TargetClusterResourceProvider.CLUSTER_COLO_PROPERTY_ID, 
"Colo");
@@ -162,7 +162,7 @@ public class TargetClusterResourceProviderTest {
     
properties.put(TargetClusterResourceProvider.CLUSTER_LOCATIONS_PROPERTY_ID, 
Collections.singleton(locations));
     
properties.put(TargetClusterResourceProvider.CLUSTER_PROPERTIES_PROPERTY_ID + 
"/P1", "V1");
 
-    List<String> targetClusterNames = new LinkedList<String>();
+    List<String> targetClusterNames = new LinkedList<>();
     targetClusterNames.add("Cluster1");
 
     Set<Cluster.Interface> interfaceSet = Collections.singleton(interface1);
@@ -199,7 +199,7 @@ public class TargetClusterResourceProviderTest {
   public void testDeleteResources() throws Exception {
     IvoryService service = createMock(IvoryService.class);
 
-    List<String> targetClusterNames = new LinkedList<String>();
+    List<String> targetClusterNames = new LinkedList<>();
     targetClusterNames.add("Cluster1");
 
     Cluster.Interface interface1 = new Cluster.Interface("type", "endpoint", 
"version");

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskAttemptResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskAttemptResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskAttemptResourceProviderTest.java
index e85d489..992bce0 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskAttemptResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskAttemptResourceProviderTest.java
@@ -52,7 +52,7 @@ public class TaskAttemptResourceProviderTest {
   public void testGetResources() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<Resource> expected = new HashSet<Resource>();
+    Set<Resource> expected = new HashSet<>();
     expected.add(createTaskAttemptResponse("Cluster100", "workflow1", "job1",
         "taskAttempt1"));
     expected.add(createTaskAttemptResponse("Cluster100", "workflow2", "job2",
@@ -81,7 +81,7 @@ public class TaskAttemptResourceProviderTest {
     Set<Resource> resources = provider.getResources(request, predicate);
 
     Assert.assertEquals(3, resources.size());
-    Set<String> names = new HashSet<String>();
+    Set<String> names = new HashSet<>();
     for (Resource resource : resources) {
       String clusterName = (String) resource
           
.getPropertyValue(TaskAttemptResourceProvider.TASK_ATTEMPT_CLUSTER_NAME_PROPERTY_ID);
@@ -104,7 +104,7 @@ public class TaskAttemptResourceProviderTest {
   public void testTaskAttemptFetcher() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(TaskAttemptResourceProvider.TASK_ATTEMPT_ID_PROPERTY_ID);
 
     Map<Resource.Type,String> keyPropertyIds = PropertyHelper

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskResourceProviderTest.java
index 0712d99..8a52b8a 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TaskResourceProviderTest.java
@@ -79,9 +79,9 @@ public class TaskResourceProviderTest {
         managementController);
 
     // add the property map to a set for the request.  add more maps for 
multiple creates
-    Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
+    Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
 
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     // add properties to the request map
     properties.put(TaskResourceProvider.TASK_REQUEST_ID_PROPERTY_ID, 100);
@@ -134,7 +134,7 @@ public class TaskResourceProviderTest {
     // replay
     replay(hostRoleCommandDAO);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(TaskResourceProvider.TASK_ID_PROPERTY_ID);
     propertyIds.add(TaskResourceProvider.TASK_REQUEST_ID_PROPERTY_ID);
@@ -198,7 +198,7 @@ public class TaskResourceProviderTest {
     // replay
     replay(hostRoleCommandDAO, topologyManager);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(TaskResourceProvider.TASK_ID_PROPERTY_ID);
     propertyIds.add(TaskResourceProvider.TASK_REQUEST_ID_PROPERTY_ID);
@@ -242,7 +242,7 @@ public class TaskResourceProviderTest {
         managementController);
 
     // add the property map to a set for the request.
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     // create the request
     Request request = PropertyHelper.getUpdateRequest(properties, null);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TestIvoryService.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TestIvoryService.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TestIvoryService.java
index b56b54c..52f7181 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TestIvoryService.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/TestIvoryService.java
@@ -36,12 +36,12 @@ public class TestIvoryService implements IvoryService{
 
   private int instanceCounter = 0;
 
-  private final Map<String, Feed> feeds = new HashMap<String, Feed>();
-  private final Map<String, Cluster> clusters = new HashMap<String, Cluster>();
-  private final Map<String, Map<String, Instance>> instanceMap = new 
HashMap<String, Map<String, Instance>>();
+  private final Map<String, Feed> feeds = new HashMap<>();
+  private final Map<String, Cluster> clusters = new HashMap<>();
+  private final Map<String, Map<String, Instance>> instanceMap = new 
HashMap<>();
 
-  private final Map<String, String> suspendedFeedStatusMap = new 
HashMap<String, String>();
-  private final Map<String, String> suspendedInstanceStatusMap = new 
HashMap<String, String>();
+  private final Map<String, String> suspendedFeedStatusMap = new HashMap<>();
+  private final Map<String, String> suspendedInstanceStatusMap = new 
HashMap<>();
 
 
   public TestIvoryService(Map<String, Feed> feeds,
@@ -70,7 +70,7 @@ public class TestIvoryService implements IvoryService{
 
   @Override
   public List<String> getFeedNames() {
-    return new LinkedList<String>(feeds.keySet());
+    return new LinkedList<>(feeds.keySet());
   }
 
   @Override
@@ -115,7 +115,7 @@ public class TestIvoryService implements IvoryService{
 
   @Override
   public List<String> getClusterNames() {
-    return new LinkedList<String>(clusters.keySet());
+    return new LinkedList<>(clusters.keySet());
   }
 
   @Override
@@ -132,7 +132,7 @@ public class TestIvoryService implements IvoryService{
   public List<Instance> getInstances(String feedName) {
     Map<String, Instance> instances = instanceMap.get(feedName);
     if (instances != null) {
-      return new LinkedList<Instance>(instances.values());
+      return new LinkedList<>(instances.values());
     }
     return Collections.emptyList();
   }
@@ -221,7 +221,7 @@ public class TestIvoryService implements IvoryService{
   private void addDummyInstance(String feedName) {
     Map<String, Instance> instances = instanceMap.get(feedName);
     if (instances == null) {
-      instances = new HashMap<String, Instance>();
+      instances = new HashMap<>();
       instanceMap.put(feedName, instances);
     }
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/URLStreamProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/URLStreamProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/URLStreamProviderTest.java
index 682ff82..f172eca 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/URLStreamProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/URLStreamProviderTest.java
@@ -53,7 +53,7 @@ public class URLStreamProviderTest {
     
expect(urlStreamProvider.getAppCookieManager()).andReturn(appCookieManager).anyTimes();
     expect(urlStreamProvider.getConnection("spec")).andReturn(connection);
 
-    Map<String, List<String>> headerMap = new HashMap<String, List<String>>();
+    Map<String, List<String>> headerMap = new HashMap<>();
     headerMap.put("Header1", Collections.singletonList("value"));
     headerMap.put("Cookie", Collections.singletonList("FOO=bar"));
 
@@ -83,7 +83,7 @@ public class URLStreamProviderTest {
         addMockedMethod("getConnection", String.class).
         createMock();
 
-    Map<String, List<String>> headerMap = new HashMap<String, List<String>>();
+    Map<String, List<String>> headerMap = new HashMap<>();
     headerMap.put("Header1", Collections.singletonList("value"));
     headerMap.put("Cookie", Collections.singletonList("FOO=bar"));
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeSummaryResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeSummaryResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeSummaryResourceProviderTest.java
index f009767..19dbb44 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeSummaryResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeSummaryResourceProviderTest.java
@@ -169,7 +169,7 @@ public class UpgradeSummaryResourceProviderTest {
 
     clusters.addHost("h1");
     Host host = clusters.getHost("h1");
-    Map<String, String> hostAttributes = new HashMap<String, String>();
+    Map<String, String> hostAttributes = new HashMap<>();
     hostAttributes.put("os_family", "redhat");
     hostAttributes.put("os_release_version", "6.4");
     host.setHostAttributes(hostAttributes);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserPrivilegeResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserPrivilegeResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserPrivilegeResourceProviderTest.java
index 5092db5..b023bff 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserPrivilegeResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserPrivilegeResourceProviderTest.java
@@ -395,10 +395,10 @@ public class UserPrivilegeResourceProviderTest extends 
AbstractPrivilegeResource
     users.setPrivilegeDAO(privilegeDAO);
     users.setMemberDAO(memberDAO);
 
-    List<PrincipalEntity> rolePrincipals = new LinkedList<PrincipalEntity>();
+    List<PrincipalEntity> rolePrincipals = new LinkedList<>();
     rolePrincipals.add(rolePrincipalEntity);
 
-    List<PrincipalEntity> userPrincipals = new LinkedList<PrincipalEntity>();
+    List<PrincipalEntity> userPrincipals = new LinkedList<>();
     userPrincipals.add(principalEntity);
 
     expect(privilegeDAO.findAllByPrincipal(userPrincipals)).
@@ -414,7 +414,7 @@ public class UserPrivilegeResourceProviderTest extends 
AbstractPrivilegeResource
 
     replayAll();
 
-    final Set<String> propertyIds = new HashSet<String>();
+    final Set<String> propertyIds = new HashSet<>();
     
propertyIds.add(UserPrivilegeResourceProvider.PRIVILEGE_USER_NAME_PROPERTY_ID);
     final Predicate predicate = new PredicateBuilder()
       .property(UserPrivilegeResourceProvider.PRIVILEGE_USER_NAME_PROPERTY_ID)
@@ -457,7 +457,7 @@ public class UserPrivilegeResourceProviderTest extends 
AbstractPrivilegeResource
     users.setPrivilegeDAO(privilegeDAO);
     users.setMemberDAO(memberDAO);
 
-    List<PrincipalEntity> userPrincipals = new LinkedList<PrincipalEntity>();
+    List<PrincipalEntity> userPrincipals = new LinkedList<>();
     userPrincipals.add(principalEntity);
 
     expect(privilegeDAO.findAllByPrincipal(userPrincipals)).
@@ -490,7 +490,7 @@ public class UserPrivilegeResourceProviderTest extends 
AbstractPrivilegeResource
 
     UserPrivilegeResourceProvider.init(userDAO, clusterDAO, groupDAO, 
viewInstanceDAO, users);
 
-    final Set<String> propertyIds = new HashSet<String>();
+    final Set<String> propertyIds = new HashSet<>();
     
propertyIds.add(UserPrivilegeResourceProvider.PRIVILEGE_USER_NAME_PROPERTY_ID);
 
     final Predicate predicate = new PredicateBuilder()

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserResourceProviderDBTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserResourceProviderDBTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserResourceProviderDBTest.java
index 240f00b..6f2b907 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserResourceProviderDBTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UserResourceProviderDBTest.java
@@ -116,7 +116,7 @@ public class UserResourceProviderDBTest {
         SecurityContextHolder.getContext().setAuthentication(authentication);
 
         // create a new user viewUser
-        Map<String, Object> requestProperties = new HashMap<String, Object>();
+        Map<String, Object> requestProperties = new HashMap<>();
         requestProperties.put(UserResourceProvider.USER_USERNAME_PROPERTY_ID, 
"viewUser");
         requestProperties.put(UserResourceProvider.USER_PASSWORD_PROPERTY_ID, 
"password");
         requestProperties.put(UserResourceProvider.USER_ADMIN_PROPERTY_ID, 
false);
@@ -127,7 +127,7 @@ public class UserResourceProviderDBTest {
         assertNotNull(requestStatus);
 
         // verify the created username
-        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<String>(Arrays.asList("Users")));
+        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<>(Arrays.asList("Users")));
         Predicate predicate = new PredicateBuilder()
                 
.property(UserResourceProvider.USER_USERNAME_PROPERTY_ID).equals("viewUser").toPredicate();
         Set<Resource> resources = 
userResourceProvider.getResources(getRequest, predicate);
@@ -158,7 +158,7 @@ public class UserResourceProviderDBTest {
         SecurityContextHolder.getContext().setAuthentication(authentication);
 
         /* add a new user */
-        Map<String, Object> requestProperties = new HashMap<String, Object>();
+        Map<String, Object> requestProperties = new HashMap<>();
         requestProperties.put(UserResourceProvider.USER_USERNAME_PROPERTY_ID, 
"abcd");
         requestProperties.put(UserResourceProvider.USER_PASSWORD_PROPERTY_ID, 
"password");
         requestProperties.put(UserResourceProvider.USER_ADMIN_PROPERTY_ID, 
false);
@@ -186,7 +186,7 @@ public class UserResourceProviderDBTest {
         assertNotNull(requestStatus);
 
         // verify that the username was deleted
-        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<String>(Arrays.asList("Users")));
+        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<>(Arrays.asList("Users")));
         Set<Resource> resources = 
userResourceProvider.getResources(getRequest, null);
         assertEquals(resources.size(), 0);
     }
@@ -204,7 +204,7 @@ public class UserResourceProviderDBTest {
         SecurityContextHolder.getContext().setAuthentication(authentication);
 
         // create a new user viewUser
-        Map<String, Object> requestProperties = new HashMap<String, Object>();
+        Map<String, Object> requestProperties = new HashMap<>();
         requestProperties.put(UserResourceProvider.USER_USERNAME_PROPERTY_ID, 
"viewUser");
         requestProperties.put(UserResourceProvider.USER_PASSWORD_PROPERTY_ID, 
"password");
         requestProperties.put(UserResourceProvider.USER_ADMIN_PROPERTY_ID, 
false);
@@ -215,7 +215,7 @@ public class UserResourceProviderDBTest {
         assertNotNull(requestStatus);
 
         // verify the created username
-        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<String>(Arrays.asList("Users")));
+        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<>(Arrays.asList("Users")));
         Predicate predicate = new PredicateBuilder()
                 
.property(UserResourceProvider.USER_USERNAME_PROPERTY_ID).equals("viewuser").toPredicate();
         Set<Resource> resources = 
userResourceProvider.getResources(getRequest, predicate);
@@ -248,7 +248,7 @@ public class UserResourceProviderDBTest {
         List<String> userNames =  Arrays.asList("user1", "uSer2", "User3", 
"useR4");
 
         for (String userName : userNames) {
-            Map<String, Object> requestProperties = new HashMap<String, 
Object>();
+            Map<String, Object> requestProperties = new HashMap<>();
             
requestProperties.put(UserResourceProvider.USER_USERNAME_PROPERTY_ID, userName);
             
requestProperties.put(UserResourceProvider.USER_PASSWORD_PROPERTY_ID, 
"password");
             requestProperties.put(UserResourceProvider.USER_ADMIN_PROPERTY_ID, 
false);
@@ -260,7 +260,7 @@ public class UserResourceProviderDBTest {
         }
 
         // verify the created username
-        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<String>(Arrays.asList("Users")));
+        Request getRequest = PropertyHelper.getReadRequest(new 
HashSet<>(Arrays.asList("Users")));
         Set<Resource> resources = 
userResourceProvider.getResources(getRequest, null);
         assertEquals(resources.size(), userNames.size());
         for (Resource resource : resources) {

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProviderTest.java
index a297d94..fd20a33 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/VersionDefinitionResourceProviderTest.java
@@ -106,8 +106,8 @@ public class VersionDefinitionResourceProviderTest {
     final ResourceProvider provider = 
injector.getInstance(ResourceProviderFactory.class)
         .getRepositoryVersionResourceProvider();
 
-    final Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
-    final Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    final Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
+    final Map<String, Object> properties = new LinkedHashMap<>();
     
properties.put(VersionDefinitionResourceProvider.VERSION_DEF_DEFINITION_BASE64, 
base64Str);
     propertySet.add(properties);
 
@@ -180,8 +180,8 @@ public class VersionDefinitionResourceProviderTest {
     final ResourceProvider provider = 
injector.getInstance(ResourceProviderFactory.class)
         .getRepositoryVersionResourceProvider();
 
-    final Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
-    final Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    final Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
+    final Map<String, Object> properties = new LinkedHashMap<>();
     
properties.put(VersionDefinitionResourceProvider.VERSION_DEF_DEFINITION_URL,
         file.toURI().toURL().toString());
     propertySet.add(properties);
@@ -349,8 +349,8 @@ public class VersionDefinitionResourceProviderTest {
 
     final ResourceProvider versionProvider = new 
VersionDefinitionResourceProvider();
 
-    final Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
-    final Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    final Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
+    final Map<String, Object> properties = new LinkedHashMap<>();
     
properties.put(VersionDefinitionResourceProvider.VERSION_DEF_DEFINITION_URL,
         file.toURI().toURL().toString());
     propertySet.add(properties);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewInstanceResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewInstanceResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewInstanceResourceProviderTest.java
index 330d567..97e7bbd 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewInstanceResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewInstanceResourceProviderTest.java
@@ -83,14 +83,14 @@ public class ViewInstanceResourceProviderTest {
   @Test
   public void testToResource() throws Exception {
     ViewInstanceResourceProvider provider = new ViewInstanceResourceProvider();
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(ViewInstanceResourceProvider.PROPERTIES_PROPERTY_ID);
     propertyIds.add(ViewInstanceResourceProvider.CLUSTER_HANDLE_PROPERTY_ID);
     ViewInstanceEntity viewInstanceEntity = 
createNiceMock(ViewInstanceEntity.class);
     ViewEntity viewEntity = createNiceMock(ViewEntity.class);
     
expect(viewInstanceEntity.getViewEntity()).andReturn(viewEntity).anyTimes();
 
-    Map<String, String> propertyMap = new HashMap<String, String>();
+    Map<String, String> propertyMap = new HashMap<>();
 
     propertyMap.put("par1", "val1");
     propertyMap.put("par2", "val2");
@@ -143,9 +143,9 @@ public class ViewInstanceResourceProviderTest {
   private void testCreateResources(Authentication authentication) throws 
Exception {
     ViewInstanceResourceProvider provider = new ViewInstanceResourceProvider();
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> properties = new HashSet<>();
 
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
     propertyMap.put(ViewInstanceResourceProvider.VIEW_NAME_PROPERTY_ID, "V1");
     propertyMap.put(ViewInstanceResourceProvider.VIEW_VERSION_PROPERTY_ID, 
"1.0.0");
@@ -210,9 +210,9 @@ public class ViewInstanceResourceProviderTest {
   public void testCreateResources_existingInstance() throws Exception {
     ViewInstanceResourceProvider provider = new ViewInstanceResourceProvider();
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> properties = new HashSet<>();
 
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
     propertyMap.put(ViewInstanceResourceProvider.VIEW_NAME_PROPERTY_ID, "V1");
     propertyMap.put(ViewInstanceResourceProvider.VIEW_VERSION_PROPERTY_ID, 
"1.0.0");
@@ -254,9 +254,9 @@ public class ViewInstanceResourceProviderTest {
   public void testCreateResources_viewNotLoaded() throws Exception {
     ViewInstanceResourceProvider provider = new ViewInstanceResourceProvider();
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> properties = new HashSet<>();
 
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
     propertyMap.put(ViewInstanceResourceProvider.VIEW_NAME_PROPERTY_ID, "V1");
     propertyMap.put(ViewInstanceResourceProvider.VIEW_VERSION_PROPERTY_ID, 
"1.0.0");
@@ -297,9 +297,9 @@ public class ViewInstanceResourceProviderTest {
   public void testUpdateResources_viewNotLoaded() throws Exception {
     ViewInstanceResourceProvider provider = new ViewInstanceResourceProvider();
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> properties = new HashSet<>();
 
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
     propertyMap.put(ViewInstanceResourceProvider.ICON_PATH_ID, "path");
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPermissionResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPermissionResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPermissionResourceProviderTest.java
index 009cb03..bb72a3f 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPermissionResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPermissionResourceProviderTest.java
@@ -66,7 +66,7 @@ public class ViewPermissionResourceProviderTest {
 
   @Test
   public void testGetResources() throws Exception {
-    List<PermissionEntity> permissionEntities = new 
LinkedList<PermissionEntity>();
+    List<PermissionEntity> permissionEntities = new LinkedList<>();
 
     PermissionEntity permissionEntity = createNiceMock(PermissionEntity.class);
     PermissionEntity viewUsePermissionEntity = 
createNiceMock(PermissionEntity.class);
@@ -104,7 +104,7 @@ public class ViewPermissionResourceProviderTest {
 
   @Test
   public void testGetResources_viewNotLoaded() throws Exception {
-    List<PermissionEntity> permissionEntities = new 
LinkedList<PermissionEntity>();
+    List<PermissionEntity> permissionEntities = new LinkedList<>();
 
     PermissionEntity permissionEntity = createNiceMock(PermissionEntity.class);
     PermissionEntity viewUsePermissionEntity = 
createNiceMock(PermissionEntity.class);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPrivilegeResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPrivilegeResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPrivilegeResourceProviderTest.java
index ffff348..4dfef39 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPrivilegeResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewPrivilegeResourceProviderTest.java
@@ -111,7 +111,7 @@ public class ViewPrivilegeResourceProviderTest {
     registry.addInstanceDefinition(viewDefinition, viewInstanceDefinition);
 
 
-    List<PrivilegeEntity> privilegeEntities = new 
LinkedList<PrivilegeEntity>();
+    List<PrivilegeEntity> privilegeEntities = new LinkedList<>();
 
     PrivilegeEntity privilegeEntity = createNiceMock(PrivilegeEntity.class);
     ResourceEntity resourceEntity = createNiceMock(ResourceEntity.class);
@@ -120,10 +120,10 @@ public class ViewPrivilegeResourceProviderTest {
     PrincipalTypeEntity principalTypeEntity = 
createNiceMock(PrincipalTypeEntity.class);
     PermissionEntity permissionEntity = createNiceMock(PermissionEntity.class);
 
-    List<PrincipalEntity> principalEntities = new 
LinkedList<PrincipalEntity>();
+    List<PrincipalEntity> principalEntities = new LinkedList<>();
     principalEntities.add(principalEntity);
 
-    List<UserEntity> userEntities = new LinkedList<UserEntity>();
+    List<UserEntity> userEntities = new LinkedList<>();
     userEntities.add(userEntity);
 
     privilegeEntities.add(privilegeEntity);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewURLResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewURLResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewURLResourceProviderTest.java
index 6080080..12550a7 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewURLResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ViewURLResourceProviderTest.java
@@ -76,7 +76,7 @@ public class ViewURLResourceProviderTest {
   @Test
   public void testToResource() throws Exception {
     ViewURLResourceProvider provider = new ViewURLResourceProvider();
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(ViewURLResourceProvider.URL_NAME_PROPERTY_ID);
     propertyIds.add(ViewURLResourceProvider.URL_SUFFIX_PROPERTY_ID);
     ViewURLEntity viewURLEntity = createNiceMock(ViewURLEntity.class);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WidgetLayoutResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WidgetLayoutResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WidgetLayoutResourceProviderTest.java
index eb04935..04f7453 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WidgetLayoutResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WidgetLayoutResourceProviderTest.java
@@ -171,7 +171,7 @@ public class WidgetLayoutResourceProviderTest {
 
     WidgetLayoutResourceProvider provider = createProvider(amc);
 
-    Map<String, Object> requestProps = new HashMap<String, Object>();
+    Map<String, Object> requestProps = new HashMap<>();
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID,
 "c1");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID,
 "layout_name");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID,
 "display_name");
@@ -179,7 +179,7 @@ public class WidgetLayoutResourceProviderTest {
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_USERNAME_PROPERTY_ID,
 "admin");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_SCOPE_PROPERTY_ID, 
"CLUSTER");
     Set<Map<String, String>> widgetsInfo = new LinkedHashSet<>();
-    Map<String, String> widget = new HashMap<String, String>();
+    Map<String, String> widget = new HashMap<>();
     widget.put("id","1");
     widgetsInfo.add(widget);
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_WIDGETS_PROPERTY_ID, 
widgetsInfo);
@@ -232,7 +232,7 @@ public class WidgetLayoutResourceProviderTest {
 
     replay(amc, clusters, cluster, dao, widgetDAO);
 
-    Map<String, Object> requestProps = new HashMap<String, Object>();
+    Map<String, Object> requestProps = new HashMap<>();
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID,
 "c1");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID,
 "layout_name");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID,
 "display_name");
@@ -240,7 +240,7 @@ public class WidgetLayoutResourceProviderTest {
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_USERNAME_PROPERTY_ID,
 "admin");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_SCOPE_PROPERTY_ID, 
"CLUSTER");
     Set<Map<String, String>> widgetsInfo = new LinkedHashSet<>();
-    Map<String, String> widget = new HashMap<String, String>();
+    Map<String, String> widget = new HashMap<>();
     widget.put("id","1");
     widgetsInfo.add(widget);
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_WIDGETS_PROPERTY_ID, 
widgetsInfo);
@@ -274,7 +274,7 @@ public class WidgetLayoutResourceProviderTest {
     expect(widgetDAO.findById(2L)).andReturn(widgetEntity2).anyTimes();
     replay(dao, widgetDAO);
 
-    requestProps = new HashMap<String, Object>();
+    requestProps = new HashMap<>();
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID,
 "layout_name_new");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_SCOPE_PROPERTY_ID, 
"USER");
     requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_ID_PROPERTY_ID, 
"1");
@@ -312,7 +312,7 @@ public class WidgetLayoutResourceProviderTest {
 
     WidgetLayoutResourceProvider provider = createProvider(amc);
 
-    Map<String, Object> requestProps = new HashMap<String, Object>();
+    Map<String, Object> requestProps = new HashMap<>();
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID,
 "c1");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID,
 "layout_name");
     
requestProps.put(WidgetLayoutResourceProvider.WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID,
 "display_name");
@@ -372,7 +372,7 @@ public class WidgetLayoutResourceProviderTest {
     widgetLayoutEntity.setUserName("username");
     widgetLayoutEntity.setScope("CLUSTER");
     widgetLayoutEntity.setDisplayName("displ_name");
-    List<WidgetLayoutUserWidgetEntity> layoutUserWidgetEntityList = new 
LinkedList<WidgetLayoutUserWidgetEntity>();
+    List<WidgetLayoutUserWidgetEntity> layoutUserWidgetEntityList = new 
LinkedList<>();
     
widgetLayoutEntity.setListWidgetLayoutUserWidgetEntity(layoutUserWidgetEntityList);
     return Arrays.asList(widgetLayoutEntity);
   }

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WorkflowResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WorkflowResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WorkflowResourceProviderTest.java
index cfd75b3..337dc46 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WorkflowResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/WorkflowResourceProviderTest.java
@@ -52,7 +52,7 @@ public class WorkflowResourceProviderTest {
   public void testGetResources() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<Resource> expected = new HashSet<Resource>();
+    Set<Resource> expected = new HashSet<>();
     expected.add(createWorkflowResponse("Cluster100", "workflow1"));
     expected.add(createWorkflowResponse("Cluster100", "workflow2"));
     expected.add(createWorkflowResponse("Cluster100", "workflow3"));
@@ -77,7 +77,7 @@ public class WorkflowResourceProviderTest {
     Set<Resource> resources = provider.getResources(request, predicate);
 
     Assert.assertEquals(3, resources.size());
-    Set<String> names = new HashSet<String>();
+    Set<String> names = new HashSet<>();
     for (Resource resource : resources) {
       String clusterName = (String) resource
           
.getPropertyValue(WorkflowResourceProvider.WORKFLOW_CLUSTER_NAME_PROPERTY_ID);
@@ -98,7 +98,7 @@ public class WorkflowResourceProviderTest {
   public void testWorkflowFetcher() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(WorkflowResourceProvider.WORKFLOW_ID_PROPERTY_ID);
 
     Map<Resource.Type,String> keyPropertyIds = PropertyHelper

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/ivory/FeedTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/ivory/FeedTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/ivory/FeedTest.java
index 359cc2b..e78683c 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/ivory/FeedTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/ivory/FeedTest.java
@@ -30,7 +30,7 @@ import org.junit.Test;
 public class FeedTest {
   @Test
   public void testGetName() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("Feed1", feed.getName());
@@ -38,7 +38,7 @@ public class FeedTest {
 
   @Test
   public void testGetDescription() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "desc", "s", "sch", "source", "st", "end", 
"l", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("desc", feed.getDescription());
@@ -46,7 +46,7 @@ public class FeedTest {
 
   @Test
   public void testGetStatus() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "WAITING", "sch", "source", "st", 
"end", "l", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("WAITING", feed.getStatus());
@@ -54,7 +54,7 @@ public class FeedTest {
 
   @Test
   public void testGetSchedule() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "WAITING", "frequency", "source", "st", 
"end", "l", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("frequency", feed.getSchedule());
@@ -62,7 +62,7 @@ public class FeedTest {
 
   @Test
   public void testGetSourceClusterName() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("source", feed.getSourceClusterName());
@@ -70,7 +70,7 @@ public class FeedTest {
 
   @Test
   public void testGetSourceClusterStart() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "sst", "end", 
"l", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("sst", feed.getSourceClusterStart());
@@ -78,7 +78,7 @@ public class FeedTest {
 
   @Test
   public void testGetSourceClusterEnd() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "send", 
"l", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("send", feed.getSourceClusterEnd());
@@ -86,7 +86,7 @@ public class FeedTest {
 
   @Test
   public void testGetSourceClusterLimit() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", 
"sl", "a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("sl", feed.getSourceClusterLimit());
@@ -94,7 +94,7 @@ public class FeedTest {
 
   @Test
   public void testGetSourceClusterAction() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"sa", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("sa", feed.getSourceClusterAction());
@@ -102,7 +102,7 @@ public class FeedTest {
 
   @Test
   public void testGetTargetClusterName() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"a", "target", "st", "end", "l", "a", props);
     Assert.assertEquals("target", feed.getTargetClusterName());
@@ -110,7 +110,7 @@ public class FeedTest {
 
   @Test
   public void testGetTargetClusterStart() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "sst", "end", 
"l", "a", "target", "tst", "end", "l", "a", props);
     Assert.assertEquals("tst", feed.getTargetClusterStart());
@@ -118,7 +118,7 @@ public class FeedTest {
 
   @Test
   public void testGetTargetClusterEnd() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "send", 
"l", "a", "target", "st", "tend", "l", "a", props);
     Assert.assertEquals("tend", feed.getTargetClusterEnd());
@@ -126,7 +126,7 @@ public class FeedTest {
 
   @Test
   public void testGetTargetClusterLimit() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", 
"sl", "a", "target", "st", "end", "tl", "a", props);
     Assert.assertEquals("tl", feed.getTargetClusterLimit());
@@ -134,7 +134,7 @@ public class FeedTest {
 
   @Test
   public void testGetTargetClusterAction() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"sa", "target", "st", "end", "l", "ta", props);
     Assert.assertEquals("ta", feed.getTargetClusterAction());
@@ -142,7 +142,7 @@ public class FeedTest {
 
   @Test
   public void testGetProperties() throws Exception {
-    Map<String,String> props = new HashMap<String, String>();
+    Map<String,String> props = new HashMap<>();
     props.put("p1", "v1");
 
     Feed feed = new Feed("Feed1", "d", "s", "sch", "source", "st", "end", "l", 
"sa", "target", "st", "end", "l", "ta", props);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java
index 122a86d..9ac4de4 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/jmx/TestStreamProvider.java
@@ -30,7 +30,7 @@ import 
org.apache.ambari.server.controller.internal.URLStreamProvider;
 
 public class TestStreamProvider extends URLStreamProvider {
 
-  protected static Map<String, String> FILE_MAPPING = new HashMap<String, 
String>();
+  protected static Map<String, String> FILE_MAPPING = new HashMap<>();
 
   static {
     FILE_MAPPING.put("50070", "hdfs_namenode_jmx.json");

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperFactoryImplTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperFactoryImplTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperFactoryImplTest.java
index 71a2d49..69c7a72 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperFactoryImplTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperFactoryImplTest.java
@@ -76,7 +76,7 @@ public class LoggingRequestHelperFactoryImplTest {
       mockSupport.createMock(Configuration.class);
 
     Map<String, String> testProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
     testProperties.put("logsearch_ui_port", expectedPortNumber);
 
     expect(controllerMock.getClusters()).andReturn(clustersMock).atLeastOnce();
@@ -144,7 +144,7 @@ public class LoggingRequestHelperFactoryImplTest {
       mockSupport.createMock(Configuration.class);
 
     Map<String, String> testProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
     testProperties.put("logsearch_ui_port", expectedPortNumber);
 
     expect(controllerMock.getClusters()).andReturn(clustersMock).atLeastOnce();

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperImplTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperImplTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperImplTest.java
index 11e56e2..b24500f 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperImplTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingRequestHelperImplTest.java
@@ -144,7 +144,7 @@ public class LoggingRequestHelperImplTest {
       mockSupport.createMock(Config.class);
 
     Map<String, String> testConfigProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
 
     testConfigProperties.put("logsearch_admin_username", EXPECTED_USER_NAME);
     testConfigProperties.put("logsearch_admin_password", 
EXPECTED_ADMIN_PASSWORD);
@@ -233,7 +233,7 @@ public class LoggingRequestHelperImplTest {
       mockSupport.createMock(Config.class);
 
     Map<String, String> testConfigProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
     testConfigProperties.put("logsearch_admin_username", "admin-user");
     testConfigProperties.put("logsearch_admin_password", "admin-pwd");
     testConfigProperties = Collections.unmodifiableMap(testConfigProperties);
@@ -326,7 +326,7 @@ public class LoggingRequestHelperImplTest {
       mockSupport.createMock(Config.class);
 
     Map<String, String> testConfigProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
     testConfigProperties.put("logsearch_admin_username", "admin-user");
     testConfigProperties.put("logsearch_admin_password", "admin-pwd");
     testConfigProperties = Collections.unmodifiableMap(testConfigProperties);
@@ -408,13 +408,13 @@ public class LoggingRequestHelperImplTest {
       mockSupport.createMock(Config.class);
 
     Map<String, String> testConfigProperties =
-      new HashMap<String, String>();
+      new HashMap<>();
     testConfigProperties.put("logsearch_admin_username", "admin-user");
     testConfigProperties.put("logsearch_admin_password", "admin-pwd");
     testConfigProperties = Collections.unmodifiableMap(testConfigProperties);
 
-    Capture<HttpURLConnection> captureURLConnection = new 
Capture<HttpURLConnection>();
-    Capture<HttpURLConnection> captureURLConnectionForAuthentication = new 
Capture<HttpURLConnection>();
+    Capture<HttpURLConnection> captureURLConnection = new Capture<>();
+    Capture<HttpURLConnection> captureURLConnectionForAuthentication = new 
Capture<>();
 
     
expect(clusterMock.getDesiredConfigByType("logsearch-admin-json")).andReturn(adminPropertiesConfigMock).atLeastOnce();
     
expect(adminPropertiesConfigMock.getProperties()).andReturn(testConfigProperties).atLeastOnce();

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingSearchPropertyProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingSearchPropertyProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingSearchPropertyProviderTest.java
index 959aa77..1f2322c 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingSearchPropertyProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/logging/LoggingSearchPropertyProviderTest.java
@@ -152,7 +152,7 @@ public class LoggingSearchPropertyProviderTest {
     levelQueryResponse.setTotalCount("3");
     // setup test data for log levels
     List<NameValuePair> testListOfLogLevels =
-      new LinkedList<NameValuePair>();
+      new LinkedList<>();
     testListOfLogLevels.add(new NameValuePair("ERROR", "150"));
     testListOfLogLevels.add(new NameValuePair("WARN", "500"));
     testListOfLogLevels.add(new NameValuePair("INFO", "2200"));
@@ -357,7 +357,7 @@ public class LoggingSearchPropertyProviderTest {
     levelQueryResponse.setTotalCount("3");
     // setup test data for log levels
     List<NameValuePair> testListOfLogLevels =
-      new LinkedList<NameValuePair>();
+      new LinkedList<>();
     testListOfLogLevels.add(new NameValuePair("ERROR", "150"));
     testListOfLogLevels.add(new NameValuePair("WARN", "500"));
     testListOfLogLevels.add(new NameValuePair("INFO", "2200"));

Reply via email to