http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/JobResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/JobResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/JobResourceProviderTest.java
index 3e1c4c5..6fd1a23 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/JobResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/JobResourceProviderTest.java
@@ -52,7 +52,7 @@ public class JobResourceProviderTest {
   public void testGetResources() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<Resource> expected = new HashSet<Resource>();
+    Set<Resource> expected = new HashSet<>();
     expected.add(createJobResponse("Cluster100", "workflow1", "job1"));
     expected.add(createJobResponse("Cluster100", "workflow2", "job2"));
     expected.add(createJobResponse("Cluster100", "workflow2", "job3"));
@@ -77,7 +77,7 @@ public class JobResourceProviderTest {
     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(JobResourceProvider.JOB_CLUSTER_NAME_PROPERTY_ID);
@@ -98,7 +98,7 @@ public class JobResourceProviderTest {
   public void testJobFetcher1() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(JobResourceProvider.JOB_ID_PROPERTY_ID);
 
     Map<Resource.Type,String> keyPropertyIds = PropertyHelper
@@ -124,7 +124,7 @@ public class JobResourceProviderTest {
   public void testJobFetcher2() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(JobResourceProvider.JOB_ID_PROPERTY_ID);
     requestedIds.add(JobResourceProvider.JOB_SUBMIT_TIME_PROPERTY_ID);
 
@@ -153,7 +153,7 @@ public class JobResourceProviderTest {
   public void testJobFetcher3() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(JobResourceProvider.JOB_ID_PROPERTY_ID);
     requestedIds.add(JobResourceProvider.JOB_ELAPSED_TIME_PROPERTY_ID);
 
@@ -182,7 +182,7 @@ public class JobResourceProviderTest {
   public void testJobFetcher4() throws SystemException,
       UnsupportedPropertyException, NoSuchResourceException,
       NoSuchParentResourceException {
-    Set<String> requestedIds = new HashSet<String>();
+    Set<String> requestedIds = new HashSet<>();
     requestedIds.add(JobResourceProvider.JOB_ID_PROPERTY_ID);
     requestedIds.add(JobResourceProvider.JOB_SUBMIT_TIME_PROPERTY_ID);
     requestedIds.add(JobResourceProvider.JOB_ELAPSED_TIME_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/LdapSyncEventResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/LdapSyncEventResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/LdapSyncEventResourceProviderTest.java
index 7660c2a..5229d3d 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/LdapSyncEventResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/LdapSyncEventResourceProviderTest.java
@@ -53,10 +53,10 @@ public class LdapSyncEventResourceProviderTest {
 
     LdapSyncEventResourceProvider provider = new 
TestLdapSyncEventResourceProvider(amc);
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> properties = new HashSet<>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
-    Set<Map<String, String>> specs = new HashSet<Map<String, String>>();
+    Set<Map<String, String>> specs = new HashSet<>();
 
     propertyMap.put(LdapSyncEventResourceProvider.EVENT_SPECS_PROPERTY_ID, 
specs);
     properties.add(propertyMap);
@@ -73,10 +73,10 @@ public class LdapSyncEventResourceProviderTest {
 
     LdapSyncEventResourceProvider provider = new 
TestLdapSyncEventResourceProvider(amc);
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> properties = new HashSet<>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
-    Set<Map<String, String>> specs = new HashSet<Map<String, String>>();
+    Set<Map<String, String>> specs = new HashSet<>();
 
     propertyMap.put(LdapSyncEventResourceProvider.EVENT_SPECS_PROPERTY_ID, 
specs);
     properties.add(propertyMap);
@@ -109,10 +109,10 @@ public class LdapSyncEventResourceProviderTest {
 
     LdapSyncEventResourceProvider provider = new 
TestLdapSyncEventResourceProvider(amc);
 
-    Set<Map<String, Object>> properties = new HashSet<Map<String, Object>>();
-    Map<String, Object> propertyMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> properties = new HashSet<>();
+    Map<String, Object> propertyMap = new HashMap<>();
 
-    Set<Map<String, String>> specs = new HashSet<Map<String, String>>();
+    Set<Map<String, String>> specs = new HashSet<>();
 
     propertyMap.put(LdapSyncEventResourceProvider.EVENT_SPECS_PROPERTY_ID, 
specs);
     properties.add(propertyMap);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/MemberResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/MemberResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/MemberResourceProviderTest.java
index 0a50844..489a94a 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/MemberResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/MemberResourceProviderTest.java
@@ -97,9 +97,9 @@ public class MemberResourceProviderTest {
         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(MemberResourceProvider.MEMBER_GROUP_NAME_PROPERTY_ID, 
"engineering");
@@ -202,7 +202,7 @@ public class MemberResourceProviderTest {
         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<>();
 
     properties.put(MemberResourceProvider.MEMBER_GROUP_NAME_PROPERTY_ID, 
"engineering");
     properties.put(MemberResourceProvider.MEMBER_USER_NAME_PROPERTY_ID, "joe");

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PageResponseImplTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PageResponseImplTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PageResponseImplTest.java
index 88ef27f..ad260cc 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PageResponseImplTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PageResponseImplTest.java
@@ -33,7 +33,7 @@ public class PageResponseImplTest {
 
   @Test
   public void testGetIterable() throws Exception {
-    Iterable<Resource> iterable = new HashSet<Resource>();
+    Iterable<Resource> iterable = new HashSet<>();
     Resource prev = new ResourceImpl(Resource.Type.Cluster);
     Resource next = new ResourceImpl(Resource.Type.Cluster);
 
@@ -44,7 +44,7 @@ public class PageResponseImplTest {
 
   @Test
   public void testGetOffset() throws Exception {
-    Iterable<Resource> iterable = new HashSet<Resource>();
+    Iterable<Resource> iterable = new HashSet<>();
     Resource prev = new ResourceImpl(Resource.Type.Cluster);
     Resource next = new ResourceImpl(Resource.Type.Cluster);
 
@@ -55,7 +55,7 @@ public class PageResponseImplTest {
 
   @Test
   public void testGetPreviousResource() throws Exception {
-    Iterable<Resource> iterable = new HashSet<Resource>();
+    Iterable<Resource> iterable = new HashSet<>();
     Resource prev = new ResourceImpl(Resource.Type.Cluster);
     Resource next = new ResourceImpl(Resource.Type.Cluster);
 
@@ -66,7 +66,7 @@ public class PageResponseImplTest {
 
   @Test
   public void testGetNextResource() throws Exception {
-    Iterable<Resource> iterable = new HashSet<Resource>();
+    Iterable<Resource> iterable = new HashSet<>();
     Resource prev = new ResourceImpl(Resource.Type.Cluster);
     Resource next = new ResourceImpl(Resource.Type.Cluster);
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PermissionResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PermissionResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PermissionResourceProviderTest.java
index c4d4868..9c438b0 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PermissionResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PermissionResourceProviderTest.java
@@ -66,7 +66,7 @@ public class PermissionResourceProviderTest {
 
   @Test
   public void testGetResources() throws Exception {
-    List<PermissionEntity> permissionEntities = new 
LinkedList<PermissionEntity>();
+    List<PermissionEntity> permissionEntities = new LinkedList<>();
 
     PermissionEntity permissionEntity = createNiceMock(PermissionEntity.class);
     ResourceTypeEntity resourceTypeEntity = 
createNiceMock(ResourceTypeEntity.class);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PreUpgradeCheckResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PreUpgradeCheckResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PreUpgradeCheckResourceProviderTest.java
index de93ff4..37a3f13 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PreUpgradeCheckResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/PreUpgradeCheckResourceProviderTest.java
@@ -99,9 +99,9 @@ public class PreUpgradeCheckResourceProviderTest {
     ServiceFactory serviceFactory = createNiceMock(ServiceFactory.class);
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
 
-    Map<String, Service> allServiceMap = new HashMap<String, Service>();
+    Map<String, Service> allServiceMap = new HashMap<>();
     allServiceMap.put("Service100", service);
-    Map<String, ServiceInfo> allServiceInfoMap = new HashMap<String, 
ServiceInfo>();
+    Map<String, ServiceInfo> allServiceInfoMap = new HashMap<>();
     allServiceInfoMap.put("Service100", serviceInfo);
 
     // set expectations
@@ -122,8 +122,8 @@ public class PreUpgradeCheckResourceProviderTest {
     expect(repo.getStackId()).andReturn(targetStackId).atLeastOnce();
     expect(upgradeHelper.suggestUpgradePack("Cluster100", "1.0", "Repo100", 
Direction.UPGRADE, UpgradeType.NON_ROLLING, 
"upgrade_pack11")).andReturn(upgradePack);
 
-    List<AbstractCheckDescriptor> upgradeChecksToRun = new 
LinkedList<AbstractCheckDescriptor>();
-    List<String> prerequisiteChecks = new LinkedList<String>();
+    List<AbstractCheckDescriptor> upgradeChecksToRun = new LinkedList<>();
+    List<String> prerequisiteChecks = new LinkedList<>();
     
prerequisiteChecks.add("org.apache.ambari.server.sample.checks.SampleServiceCheck");
     expect(upgradePack.getPrerequisiteCheckConfig()).andReturn(config);
     
expect(upgradePack.getPrerequisiteChecks()).andReturn(prerequisiteChecks).anyTimes();

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ProvisionClusterRequestTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ProvisionClusterRequestTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ProvisionClusterRequestTest.java
index 6bbdb3f..73a80f6 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ProvisionClusterRequestTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ProvisionClusterRequestTest.java
@@ -495,34 +495,34 @@ public class ProvisionClusterRequestTest {
   }
 
   public static Map<String, Object> createBlueprintRequestProperties(String 
clusterName, String blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(ClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(ClusterResourceProvider.BLUEPRINT_PROPERTY_ID, 
blueprintName);
 
-    Collection<Map<String, Object>> hostGroups = new ArrayList<Map<String, 
Object>>();
+    Collection<Map<String, Object>> hostGroups = new ArrayList<>();
     properties.put("host_groups", hostGroups);
 
     // host group 1
-    Map<String, Object> hostGroup1Properties = new HashMap<String, Object>();
+    Map<String, Object> hostGroup1Properties = new HashMap<>();
     hostGroups.add(hostGroup1Properties);
     hostGroup1Properties.put("name", "group1");
-    Collection<Map<String, String>> hostGroup1Hosts = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup1Hosts = new ArrayList<>();
     hostGroup1Properties.put("hosts", hostGroup1Hosts);
-    Map<String, String> hostGroup1HostProperties = new HashMap<String, 
String>();
+    Map<String, String> hostGroup1HostProperties = new HashMap<>();
     hostGroup1HostProperties.put("fqdn", "host1.myDomain.com");
     hostGroup1Hosts.add(hostGroup1HostProperties);
     // host group 1 scoped configuration
     // version 1 configuration syntax
-    Collection<Map<String, String>> hostGroup1Configurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup1Configurations = new 
ArrayList<>();
     hostGroup1Properties.put("configurations", hostGroup1Configurations);
-    Map<String, String> hostGroup1Configuration1 = new HashMap<String, 
String>();
+    Map<String, String> hostGroup1Configuration1 = new HashMap<>();
     hostGroup1Configuration1.put("foo-type/hostGroup1Prop1", "prop1Value");
     hostGroup1Configuration1.put("foo-type/hostGroup1Prop2", "prop2Value");
     hostGroup1Configurations.add(hostGroup1Configuration1);
 
     // host group 2
-    Map<String, Object> hostGroup2Properties = new HashMap<String, Object>();
+    Map<String, Object> hostGroup2Properties = new HashMap<>();
     hostGroups.add(hostGroup2Properties);
     hostGroup2Properties.put("name", "group2");
     hostGroup2Properties.put("host_count", "5");
@@ -530,18 +530,18 @@ public class ProvisionClusterRequestTest {
 
     // host group 2 scoped configuration
     // version 2 configuration syntax
-    Collection<Map<String, String>> hostGroup2Configurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup2Configurations = new 
ArrayList<>();
     hostGroup2Properties.put("configurations", hostGroup2Configurations);
-    Map<String, String> hostGroup2Configuration1 = new HashMap<String, 
String>();
+    Map<String, String> hostGroup2Configuration1 = new HashMap<>();
     hostGroup2Configuration1.put("foo-type/properties/hostGroup2Prop1", 
"prop1Value");
     
hostGroup2Configuration1.put("foo-type/properties_attributes/attribute1/hostGroup2Prop10",
 "attribute1Prop10-value");
     hostGroup2Configurations.add(hostGroup2Configuration1);
 
     // cluster scoped configuration
-    Collection<Map<String, String>> clusterConfigurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> clusterConfigurations = new ArrayList<>();
     properties.put("configurations", clusterConfigurations);
 
-    Map<String, String> clusterConfigurationProperties = new HashMap<String, 
String>();
+    Map<String, String> clusterConfigurationProperties = new HashMap<>();
     clusterConfigurations.add(clusterConfigurationProperties);
     clusterConfigurationProperties.put("someType/properties/property1", 
"someValue");
     
clusterConfigurationProperties.put("someType/properties_attributes/attribute1/property1",
 "someAttributePropValue");
@@ -550,37 +550,37 @@ public class ProvisionClusterRequestTest {
   }
 
   public static Map<String, Object> 
createBlueprintRequestPropertiesNameOnly(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(ClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(ClusterResourceProvider.BLUEPRINT_PROPERTY_ID, 
blueprintName);
 
-    Collection<Map<String, Object>> hostGroups = new ArrayList<Map<String, 
Object>>();
+    Collection<Map<String, Object>> hostGroups = new ArrayList<>();
     properties.put("host_groups", hostGroups);
 
     // host group 1
-    Map<String, Object> hostGroup1Properties = new HashMap<String, Object>();
+    Map<String, Object> hostGroup1Properties = new HashMap<>();
     hostGroups.add(hostGroup1Properties);
     hostGroup1Properties.put("name", "group1");
-    Collection<Map<String, String>> hostGroup1Hosts = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup1Hosts = new ArrayList<>();
     hostGroup1Properties.put("hosts", hostGroup1Hosts);
-    Map<String, String> hostGroup1HostProperties = new HashMap<String, 
String>();
+    Map<String, String> hostGroup1HostProperties = new HashMap<>();
     hostGroup1HostProperties.put("fqdn", "host1.myDomain.com");
     hostGroup1Hosts.add(hostGroup1HostProperties);
     // host group 1 scoped configuration
     // version 1 configuration syntax
-    Collection<Map<String, String>> hostGroup1Configurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup1Configurations = new 
ArrayList<>();
     hostGroup1Properties.put("configurations", hostGroup1Configurations);
-    Map<String, String> hostGroup1Configuration1 = new HashMap<String, 
String>();
+    Map<String, String> hostGroup1Configuration1 = new HashMap<>();
     hostGroup1Configuration1.put("foo-type/hostGroup1Prop1", "prop1Value");
     hostGroup1Configuration1.put("foo-type/hostGroup1Prop2", "prop2Value");
     hostGroup1Configurations.add(hostGroup1Configuration1);
 
     // cluster scoped configuration
-    Collection<Map<String, String>> clusterConfigurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> clusterConfigurations = new ArrayList<>();
     properties.put("configurations", clusterConfigurations);
 
-    Map<String, String> clusterConfigurationProperties = new HashMap<String, 
String>();
+    Map<String, String> clusterConfigurationProperties = new HashMap<>();
     clusterConfigurations.add(clusterConfigurationProperties);
     clusterConfigurationProperties.put("someType/properties/property1", 
"someValue");
     
clusterConfigurationProperties.put("someType/properties_attributes/attribute1/property1",
 "someAttributePropValue");
@@ -589,16 +589,16 @@ public class ProvisionClusterRequestTest {
   }
 
   public static Map<String, Object> 
createBlueprintRequestPropertiesCountOnly(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(ClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(ClusterResourceProvider.BLUEPRINT_PROPERTY_ID, 
blueprintName);
 
-    Collection<Map<String, Object>> hostGroups = new ArrayList<Map<String, 
Object>>();
+    Collection<Map<String, Object>> hostGroups = new ArrayList<>();
     properties.put("host_groups", hostGroups);
 
     // host group 2
-    Map<String, Object> hostGroup2Properties = new HashMap<String, Object>();
+    Map<String, Object> hostGroup2Properties = new HashMap<>();
     hostGroups.add(hostGroup2Properties);
     hostGroup2Properties.put("name", "group2");
     // count with no predicate
@@ -606,18 +606,18 @@ public class ProvisionClusterRequestTest {
 
     // host group 2 scoped configuration
     // version 2 configuration syntax
-    Collection<Map<String, String>> hostGroup2Configurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> hostGroup2Configurations = new 
ArrayList<>();
     hostGroup2Properties.put("configurations", hostGroup2Configurations);
-    Map<String, String> hostGroup2Configuration1 = new HashMap<String, 
String>();
+    Map<String, String> hostGroup2Configuration1 = new HashMap<>();
     hostGroup2Configuration1.put("foo-type/properties/hostGroup2Prop1", 
"prop1Value");
     
hostGroup2Configuration1.put("foo-type/properties_attributes/attribute1/hostGroup2Prop10",
 "attribute1Prop10-value");
     hostGroup2Configurations.add(hostGroup2Configuration1);
 
     // cluster scoped configuration
-    Collection<Map<String, String>> clusterConfigurations = new 
ArrayList<Map<String, String>>();
+    Collection<Map<String, String>> clusterConfigurations = new ArrayList<>();
     properties.put("configurations", clusterConfigurations);
 
-    Map<String, String> clusterConfigurationProperties = new HashMap<String, 
String>();
+    Map<String, String> clusterConfigurationProperties = new HashMap<>();
     clusterConfigurations.add(clusterConfigurationProperties);
     clusterConfigurationProperties.put("someType/properties/property1", 
"someValue");
     
clusterConfigurationProperties.put("someType/properties_attributes/attribute1/property1",
 "someAttributePropValue");

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/QueryResponseImplTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/QueryResponseImplTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/QueryResponseImplTest.java
index 84577ae..d2fc476 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/QueryResponseImplTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/QueryResponseImplTest.java
@@ -33,7 +33,7 @@ public class QueryResponseImplTest {
 
   @Test
   public void testGetResources() throws Exception {
-    Set<Resource> resources = new HashSet<Resource>();
+    Set<Resource> resources = new HashSet<>();
     resources.add(new ResourceImpl(Resource.Type.Stage));
 
     QueryResponse queryResponse = new QueryResponseImpl(resources);
@@ -42,7 +42,7 @@ public class QueryResponseImplTest {
 
   @Test
   public void testIsSortedResponse() throws Exception {
-    Set<Resource> resources = new HashSet<Resource>();
+    Set<Resource> resources = new HashSet<>();
     resources.add(new ResourceImpl(Resource.Type.Stage));
 
     QueryResponse queryResponse = new QueryResponseImpl(resources);
@@ -57,7 +57,7 @@ public class QueryResponseImplTest {
 
   @Test
   public void testIsPagedResponse() throws Exception {
-    Set<Resource> resources = new HashSet<Resource>();
+    Set<Resource> resources = new HashSet<>();
     resources.add(new ResourceImpl(Resource.Type.Stage));
 
     QueryResponse queryResponse = new QueryResponseImpl(resources);
@@ -72,7 +72,7 @@ public class QueryResponseImplTest {
 
   @Test
   public void testGetTotalResourceCount() throws Exception {
-    Set<Resource> resources = new HashSet<Resource>();
+    Set<Resource> resources = new HashSet<>();
     resources.add(new ResourceImpl(Resource.Type.Stage));
 
     QueryResponse queryResponse = new QueryResponseImpl(resources);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RemoteClusterResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RemoteClusterResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RemoteClusterResourceProviderTest.java
index 65e122a..0b8fa48 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RemoteClusterResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RemoteClusterResourceProviderTest.java
@@ -61,7 +61,7 @@ public class RemoteClusterResourceProviderTest {
   @Test
   public void testToResource() throws Exception {
     RemoteClusterResourceProvider provider = new 
RemoteClusterResourceProvider();
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(RemoteClusterResourceProvider.CLUSTER_NAME_PROPERTY_ID);
     propertyIds.add(RemoteClusterResourceProvider.CLUSTER_URL_PROPERTY_ID);
     propertyIds.add(RemoteClusterResourceProvider.USERNAME_PROPERTY_ID);
@@ -74,7 +74,7 @@ public class RemoteClusterResourceProviderTest {
     RemoteAmbariClusterServiceEntity service2 = 
createNiceMock(RemoteAmbariClusterServiceEntity.class);
     expect(service2.getServiceName()).andReturn("service2").once();
 
-    List<RemoteAmbariClusterServiceEntity> serviceList = new 
ArrayList<RemoteAmbariClusterServiceEntity>();
+    List<RemoteAmbariClusterServiceEntity> serviceList = new ArrayList<>();
     serviceList.add(service1);
     serviceList.add(service2);
 
@@ -86,7 +86,7 @@ public class RemoteClusterResourceProviderTest {
 
     replay(service1, service2, entity);
 
-    List<String> services = new ArrayList<String>();
+    List<String> services = new ArrayList<>();
     services.add("service1");
     services.add("service2");
 
@@ -135,7 +135,7 @@ public class RemoteClusterResourceProviderTest {
     RemoteAmbariClusterServiceEntity service2 = 
createNiceMock(RemoteAmbariClusterServiceEntity.class);
     expect(service2.getServiceName()).andReturn("service2").once();
 
-    List<RemoteAmbariClusterServiceEntity> serviceList = new 
ArrayList<RemoteAmbariClusterServiceEntity>();
+    List<RemoteAmbariClusterServiceEntity> serviceList = new ArrayList<>();
     serviceList.add(service1);
     serviceList.add(service2);
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryResourceProviderTest.java
index 3a7b19b..94e1a1e 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryResourceProviderTest.java
@@ -58,7 +58,7 @@ public class RepositoryResourceProviderTest {
         VAL_REPO_ID, VAL_REPO_NAME, null, null, null);
     rr.setStackName(VAL_STACK_NAME);
     rr.setStackVersion(VAL_STACK_VERSION);
-    Set<RepositoryResponse> allResponse = new HashSet<RepositoryResponse>();
+    Set<RepositoryResponse> allResponse = new HashSet<>();
     allResponse.add(rr);
 
     // set expectations
@@ -69,7 +69,7 @@ public class RepositoryResourceProviderTest {
 
     ResourceProvider provider = new 
RepositoryResourceProvider(managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     
propertyIds.add(RepositoryResourceProvider.REPOSITORY_STACK_NAME_PROPERTY_ID);
     
propertyIds.add(RepositoryResourceProvider.REPOSITORY_STACK_VERSION_PROPERTY_ID);
     
propertyIds.add(RepositoryResourceProvider.REPOSITORY_REPO_NAME_PROPERTY_ID);
@@ -154,7 +154,7 @@ public class RepositoryResourceProviderTest {
 
     RepositoryResponse rr = new RepositoryResponse(VAL_BASE_URL, VAL_OS,
         VAL_REPO_ID, VAL_REPO_NAME, null, null ,null);
-    Set<RepositoryResponse> allResponse = new HashSet<RepositoryResponse>();
+    Set<RepositoryResponse> allResponse = new HashSet<>();
     allResponse.add(rr);
 
     // set expectations
@@ -167,7 +167,7 @@ public class RepositoryResourceProviderTest {
     ResourceProvider provider = new 
RepositoryResourceProvider(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<>();
     properties.put(RepositoryResourceProvider.REPOSITORY_BASE_URL_PROPERTY_ID, 
"http://garbage.eu.co";);
 
     // create the request

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
index 0230a97..21f9383 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RepositoryVersionResourceProviderTest.java
@@ -89,7 +89,7 @@ public class RepositoryVersionResourceProviderTest {
   private static String jsonStringRedhat7 = 
"[{\"OperatingSystems\":{\"os_type\":\"redhat7\"},\"repositories\":[]}]";
 
   private List<ClusterVersionEntity> getNoClusterVersions() {
-    final List<ClusterVersionEntity> emptyList = new 
ArrayList<ClusterVersionEntity>();
+    final List<ClusterVersionEntity> emptyList = new ArrayList<>();
     return emptyList;
   }
 
@@ -98,7 +98,7 @@ public class RepositoryVersionResourceProviderTest {
     cluster.setClusterName("c1");
     cluster.setClusterId(1L);
 
-    final List<ClusterVersionEntity> clusterVersions = new 
ArrayList<ClusterVersionEntity>();
+    final List<ClusterVersionEntity> clusterVersions = new ArrayList<>();
     final RepositoryVersionEntity repositoryVersion = new 
RepositoryVersionEntity();
     repositoryVersion.setId(1L);
     final ClusterVersionEntity installFailedVersion = new 
ClusterVersionEntity();
@@ -113,7 +113,7 @@ public class RepositoryVersionResourceProviderTest {
   @Before
   public void before() throws Exception {
     final Set<String> validVersions = Sets.newHashSet("1.1", "1.1-17", 
"1.1.1.1", "1.1.343432.2", "1.1.343432.2-234234324");
-    final Set<StackInfo> stacks = new HashSet<StackInfo>();
+    final Set<StackInfo> stacks = new HashSet<>();
 
     final AmbariMetaInfo ambariMetaInfo = Mockito.mock(AmbariMetaInfo.class);
     clusterVersionDAO = Mockito.mock(ClusterVersionDAO.class);
@@ -131,7 +131,7 @@ public class RepositoryVersionResourceProviderTest {
     final StackInfo stackInfo = new StackInfo() {
       @Override
       public Map<String, UpgradePack> getUpgradePacks() {
-        final Map<String, UpgradePack> map = new HashMap<String, 
UpgradePack>();
+        final Map<String, UpgradePack> map = new HashMap<>();
         final UpgradePack pack1 = new UpgradePack() {
           @Override
           public String getName() {
@@ -194,7 +194,7 @@ public class RepositoryVersionResourceProviderTest {
 
     });
 
-    final HashSet<OperatingSystemInfo> osInfos = new 
HashSet<OperatingSystemInfo>();
+    final HashSet<OperatingSystemInfo> osInfos = new HashSet<>();
     osInfos.add(new OperatingSystemInfo("redhat6"));
     osInfos.add(new OperatingSystemInfo("redhat7"));
     Mockito.when(ambariMetaInfo.getOperatingSystems(Mockito.anyString(), 
Mockito.anyString())).thenAnswer(new Answer<Set<OperatingSystemInfo>>() {
@@ -207,7 +207,7 @@ public class RepositoryVersionResourceProviderTest {
         if (stack.equals("HDP") && validVersions.contains(version)) {
           return osInfos;
         } else {
-          return new HashSet<OperatingSystemInfo>();
+          return new HashSet<>();
         }
       }
     });
@@ -257,8 +257,8 @@ public class RepositoryVersionResourceProviderTest {
 
     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(RepositoryVersionResourceProvider.REPOSITORY_VERSION_DISPLAY_NAME_PROPERTY_ID,
 "name");
     
properties.put(RepositoryVersionResourceProvider.SUBRESOURCE_OPERATING_SYSTEMS_PROPERTY_ID,
 new 
Gson().fromJson("[{\"OperatingSystems/os_type\":\"redhat6\",\"repositories\":[{\"Repositories/repo_id\":\"1\",\"Repositories/repo_name\":\"1\",\"Repositories/base_url\":\"1\",\"Repositories/unique\":\"true\"}]}]",
 Object.class));
     
properties.put(RepositoryVersionResourceProvider.REPOSITORY_VERSION_STACK_NAME_PROPERTY_ID,
 "HDP");
@@ -421,8 +421,8 @@ public class RepositoryVersionResourceProviderTest {
 
     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(RepositoryVersionResourceProvider.REPOSITORY_VERSION_DISPLAY_NAME_PROPERTY_ID,
 "name");
     
properties.put(RepositoryVersionResourceProvider.SUBRESOURCE_OPERATING_SYSTEMS_PROPERTY_ID,
 new 
Gson().fromJson("[{\"OperatingSystems/os_type\":\"redhat6\",\"repositories\":[{\"Repositories/repo_id\":\"1\",\"Repositories/repo_name\":\"1\",\"Repositories/base_url\":\"1\",\"Repositories/unique\":\"true\"}]}]",
 Object.class));
     
properties.put(RepositoryVersionResourceProvider.REPOSITORY_VERSION_STACK_NAME_PROPERTY_ID,
 "HDP");
@@ -469,8 +469,8 @@ public class RepositoryVersionResourceProviderTest {
           }
         });
 
-    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(RepositoryVersionResourceProvider.REPOSITORY_VERSION_DISPLAY_NAME_PROPERTY_ID,
 "name");
     
properties.put(RepositoryVersionResourceProvider.SUBRESOURCE_OPERATING_SYSTEMS_PROPERTY_ID,
 new 
Gson().fromJson("[{\"OperatingSystems/os_type\":\"redhat6\",\"repositories\":[{\"Repositories/repo_id\":\"1\",\"Repositories/repo_name\":\"1\",\"Repositories/base_url\":\"http://example.com/repo1\",\"Repositories/unique\":\"true\"}]}]";,
 Object.class));
     
properties.put(RepositoryVersionResourceProvider.REPOSITORY_VERSION_STACK_NAME_PROPERTY_ID,
 "HDP");
@@ -553,8 +553,8 @@ public class RepositoryVersionResourceProviderTest {
           }
         });
 
-    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(RepositoryVersionResourceProvider.REPOSITORY_VERSION_DISPLAY_NAME_PROPERTY_ID,
 "name");
     
properties.put(RepositoryVersionResourceProvider.SUBRESOURCE_OPERATING_SYSTEMS_PROPERTY_ID,
 new 
Gson().fromJson("[{\"OperatingSystems/os_type\":\"redhat6\",\"repositories\":[{\"Repositories/repo_id\":\"1\",\"Repositories/repo_name\":\"1\",\"Repositories/base_url\":\"http://example.com/repo1\",\"Repositories/unique\":\"true\"}]}]";,
 Object.class));
     
properties.put(RepositoryVersionResourceProvider.REPOSITORY_VERSION_STACK_NAME_PROPERTY_ID,
 "HDP");

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestOperationLevelTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestOperationLevelTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestOperationLevelTest.java
index 696186c..99b8dee 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestOperationLevelTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestOperationLevelTest.java
@@ -40,7 +40,7 @@ public class RequestOperationLevelTest {
     String hostcomponent_id = "Namenode";
     String host_id = "host1";
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     requestInfoProperties.put(RequestResourceProvider.COMMAND_ID, "RESTART");
 
     requestInfoProperties.put(RequestOperationLevel.OPERATION_LEVEL_ID,

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
index e6f2ed5..dc9e5ed 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestResourceProviderTest.java
@@ -167,9 +167,9 @@ public class RequestResourceProviderTest {
       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(RequestResourceProvider.REQUEST_ID_PROPERTY_ID, 
"Request100");
@@ -214,7 +214,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getPropertyIds(type), 
PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     Request request;
     Predicate predicate = new PredicateBuilder()
       .property(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID)
@@ -282,7 +282,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -332,7 +332,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -385,7 +385,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -446,7 +446,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -513,7 +513,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
 
@@ -567,7 +567,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -638,7 +638,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -719,7 +719,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -769,10 +769,10 @@ public class RequestResourceProviderTest {
     Stage stage = createNiceMock(Stage.class);
     Clusters clusters = createNiceMock(Clusters.class);
 
-    List<HostRoleCommand> hostRoleCommands = new LinkedList<HostRoleCommand>();
+    List<HostRoleCommand> hostRoleCommands = new LinkedList<>();
     hostRoleCommands.add(hostRoleCommand);
 
-    Collection<Stage> stages = new HashSet<Stage>();
+    Collection<Stage> stages = new HashSet<>();
     stages.add(stage);
 
     org.apache.ambari.server.actionmanager.Request requestMock =
@@ -803,7 +803,7 @@ public class RequestResourceProviderTest {
 
     // TEST CASE: Check update request validation (abort reason not specified)
     // 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);
     Predicate predicate = new 
PredicateBuilder().property(RequestResourceProvider.REQUEST_ID_PROPERTY_ID).
@@ -952,14 +952,14 @@ public class RequestResourceProviderTest {
     SecurityContextHolder.getContext().setAuthentication(authentication);
 
     // 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<>();
 
     properties.put(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID, 
"c1");
 
-    Set<Map<String, Object>> filterSet = new HashSet<Map<String, Object>>();
-    Map<String, Object> filterMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> filterSet = new HashSet<>();
+    Map<String, Object> filterMap = new HashMap<>();
     filterMap.put(RequestResourceProvider.SERVICE_ID, "HDFS");
     filterSet.add(filterMap);
 
@@ -967,7 +967,7 @@ public class RequestResourceProviderTest {
 
     propertySet.add(properties);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     requestInfoProperties.put(RequestResourceProvider.COMMAND_ID, 
"HDFS_SERVICE_CHECK");
 
 
@@ -1048,14 +1048,14 @@ public class RequestResourceProviderTest {
     SecurityContextHolder.getContext().setAuthentication(authentication);
 
     // 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<>();
 
     properties.put(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID, 
"c1");
 
-    Set<Map<String, Object>> filterSet = new HashSet<Map<String, Object>>();
-    Map<String, Object> filterMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> filterSet = new HashSet<>();
+    Map<String, Object> filterMap = new HashMap<>();
     filterMap.put(RequestResourceProvider.SERVICE_ID, "HDFS");
     filterMap.put(RequestResourceProvider.HOSTS_ID, "host1,host2,host3");
     filterSet.add(filterMap);
@@ -1064,7 +1064,7 @@ public class RequestResourceProviderTest {
 
     propertySet.add(properties);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
 
     requestInfoProperties.put("parameters/param1", "value1");
     requestInfoProperties.put("parameters/param2", "value2");
@@ -1157,15 +1157,15 @@ public class RequestResourceProviderTest {
       TestAuthenticationFactory.createAdministrator());
 
     // 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<>();
 
     properties.put(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID, 
"c1");
 
-    Set<Map<String, Object>> filterSet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> filterSet = new HashSet<>();
     String predicateProperty = HOST_COMPONENT_STALE_CONFIGS_PROPERTY_ID + 
"=true";
-    Map<String, Object> filterMap = new HashMap<String, Object>();
+    Map<String, Object> filterMap = new HashMap<>();
     filterMap.put(RequestResourceProvider.HOSTS_PREDICATE, predicateProperty);
     filterSet.add(filterMap);
 
@@ -1173,7 +1173,7 @@ public class RequestResourceProviderTest {
 
     propertySet.add(properties);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     requestInfoProperties.put(RequestResourceProvider.COMMAND_ID, "RESTART");
     requestInfoProperties.put(RequestResourceProvider.REQUEST_CONTEXT_ID, 
"Restart All with Stale Configs");
 
@@ -1255,9 +1255,9 @@ public class RequestResourceProviderTest {
     SecurityContextHolder.getContext().setAuthentication(authentication);
 
     // 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<>();
 
     String c1 = "c1";
     String host_component = "HOST_COMPONENT";
@@ -1267,8 +1267,8 @@ public class RequestResourceProviderTest {
 
     properties.put(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID, 
c1);
 
-    Set<Map<String, Object>> filterSet = new HashSet<Map<String, Object>>();
-    Map<String, Object> filterMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> filterSet = new HashSet<>();
+    Map<String, Object> filterMap = new HashMap<>();
     filterMap.put(RequestResourceProvider.SERVICE_ID, service_id);
     filterMap.put(RequestResourceProvider.HOSTS_ID, host_name);
     filterSet.add(filterMap);
@@ -1277,7 +1277,7 @@ public class RequestResourceProviderTest {
 
     propertySet.add(properties);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     requestInfoProperties.put(RequestResourceProvider.COMMAND_ID, "RESTART");
 
     requestInfoProperties.put(RequestOperationLevel.OPERATION_LEVEL_ID,
@@ -1460,12 +1460,12 @@ public class RequestResourceProviderTest {
     replay(managementController, metaInfo, actionDefinition, response, 
cluster, clusters);
 
     // 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<>();
 
-    Set<Map<String, Object>> filterSet = new HashSet<Map<String, Object>>();
-    Map<String, Object> filterMap = new HashMap<String, Object>();
+    Set<Map<String, Object>> filterSet = new HashSet<>();
+    Map<String, Object> filterMap = new HashMap<>();
     filterMap.put(RequestResourceProvider.HOSTS_ID, "h1,h2");
     filterSet.add(filterMap);
 
@@ -1473,7 +1473,7 @@ public class RequestResourceProviderTest {
     properties.put(RequestResourceProvider.REQUEST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     propertySet.add(properties);
 
-    Map<String, String> requestInfoProperties = new HashMap<String, String>();
+    Map<String, String> requestInfoProperties = new HashMap<>();
     if(commandName != null) {
       requestInfoProperties.put(RequestResourceProvider.COMMAND_ID, 
commandName);
     }
@@ -1547,7 +1547,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);
@@ -1601,7 +1601,7 @@ public class RequestResourceProviderTest {
       PropertyHelper.getKeyPropertyIds(type),
       managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RequestResourceProvider.REQUEST_ID_PROPERTY_ID);
     propertyIds.add(RequestResourceProvider.REQUEST_STATUS_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestScheduleResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestScheduleResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestScheduleResourceProviderTest.java
index e3fec23..25c4846 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestScheduleResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestScheduleResourceProviderTest.java
@@ -105,8 +105,8 @@ public class RequestScheduleResourceProviderTest {
     RequestScheduleResourceProvider resourceProvider = getResourceProvider
       (managementController);
 
-    Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_CLUSTER_NAME_PROPERTY_ID, "Cluster100");
@@ -121,16 +121,16 @@ public class RequestScheduleResourceProviderTest {
     properties.put(RequestScheduleResourceProvider
       .SCHEDULE_DAYS_OF_MONTH_PROPERTY_ID, "*");
 
-    HashSet<Map<String, Object>> batch = new HashSet<Map<String, Object>>();
-    Map<String, Object> batchSettings = new HashMap<String, Object>();
+    HashSet<Map<String, Object>> batch = new HashSet<>();
+    Map<String, Object> batchSettings = new HashMap<>();
     batchSettings.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_BATCH_SEPARATION_PROPERTY_ID, "15");
 
-    Map<String, Object> batchRequests = new HashMap<String, Object>();
-    HashSet<Map<String, Object>> requestSet = new HashSet<Map<String, 
Object>>();
+    Map<String, Object> batchRequests = new HashMap<>();
+    HashSet<Map<String, Object>> requestSet = new HashSet<>();
 
-    Map<String, Object> request1 = new HashMap<String, Object>();
-    Map<String, Object> request2 = new HashMap<String, Object>();
+    Map<String, Object> request1 = new HashMap<>();
+    Map<String, Object> request2 = new HashMap<>();
 
     request1.put(RequestScheduleResourceProvider
       .BATCH_REQUEST_TYPE_PROPERTY_ID, BatchRequest.Type.PUT.name());
@@ -215,8 +215,7 @@ public class RequestScheduleResourceProviderTest {
     expect(cluster.getAllRequestExecutions()).andStubAnswer(new 
IAnswer<Map<Long, RequestExecution>>() {
       @Override
       public Map<Long, RequestExecution> answer() throws Throwable {
-        Map<Long, RequestExecution> requestExecutionMap = new HashMap<Long,
-          RequestExecution>();
+        Map<Long, RequestExecution> requestExecutionMap = new HashMap<>();
         requestExecutionMap.put(requestExecution.getId(), requestExecution);
         return requestExecutionMap;
       }
@@ -228,7 +227,7 @@ public class RequestScheduleResourceProviderTest {
     RequestScheduleResourceProvider resourceProvider = getResourceProvider
       (managementController);
 
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_CLUSTER_NAME_PROPERTY_ID, "Cluster100");
@@ -243,16 +242,16 @@ public class RequestScheduleResourceProviderTest {
     properties.put(RequestScheduleResourceProvider
       .SCHEDULE_DAYS_OF_MONTH_PROPERTY_ID, "*");
 
-    HashSet<Map<String, Object>> batch = new HashSet<Map<String, Object>>();
-    Map<String, Object> batchSettings = new HashMap<String, Object>();
+    HashSet<Map<String, Object>> batch = new HashSet<>();
+    Map<String, Object> batchSettings = new HashMap<>();
     batchSettings.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_BATCH_SEPARATION_PROPERTY_ID, "15");
 
-    Map<String, Object> batchRequests = new HashMap<String, Object>();
-    HashSet<Map<String, Object>> requestSet = new HashSet<Map<String, 
Object>>();
+    Map<String, Object> batchRequests = new HashMap<>();
+    HashSet<Map<String, Object>> requestSet = new HashSet<>();
 
-    Map<String, Object> request1 = new HashMap<String, Object>();
-    Map<String, Object> request2 = new HashMap<String, Object>();
+    Map<String, Object> request1 = new HashMap<>();
+    Map<String, Object> request2 = new HashMap<>();
 
     request1.put(RequestScheduleResourceProvider
       .BATCH_REQUEST_TYPE_PROPERTY_ID, BatchRequest.Type.PUT.name());
@@ -282,7 +281,7 @@ public class RequestScheduleResourceProviderTest {
     properties.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_BATCH_PROPERTY_ID, batch);
 
-    Map<String, String> mapRequestProps = new HashMap<String, String>();
+    Map<String, String> mapRequestProps = new HashMap<>();
     mapRequestProps.put("context", "Called from a test");
 
     Request request = PropertyHelper.getUpdateRequest(properties, 
mapRequestProps);
@@ -325,8 +324,7 @@ public class RequestScheduleResourceProviderTest {
     expect(cluster.getAllRequestExecutions()).andStubAnswer(new 
IAnswer<Map<Long, RequestExecution>>() {
       @Override
       public Map<Long, RequestExecution> answer() throws Throwable {
-        Map<Long, RequestExecution> requestExecutionMap = new HashMap<Long,
-          RequestExecution>();
+        Map<Long, RequestExecution> requestExecutionMap = new HashMap<>();
         requestExecutionMap.put(requestExecution.getId(), requestExecution);
         return requestExecutionMap;
       }
@@ -338,14 +336,14 @@ public class RequestScheduleResourceProviderTest {
     RequestScheduleResourceProvider resourceProvider = getResourceProvider
       (managementController);
 
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_CLUSTER_NAME_PROPERTY_ID, "Cluster100");
     properties.put(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_DESC_PROPERTY_ID, "some description");
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add(RequestScheduleResourceProvider
       .REQUEST_SCHEDULE_CLUSTER_NAME_PROPERTY_ID);
     propertyIds.add(RequestScheduleResourceProvider
@@ -390,8 +388,7 @@ public class RequestScheduleResourceProviderTest {
     ExecutionScheduleManager executionScheduleManager = createNiceMock
       (ExecutionScheduleManager.class);
 
-    Map<Long, RequestExecution> requestExecutionMap = new HashMap<Long,
-      RequestExecution>();
+    Map<Long, RequestExecution> requestExecutionMap = new HashMap<>();
     requestExecutionMap.put(1L, requestExecution);
 
     expect(managementController.getAuthName()).andReturn("admin").anyTimes();

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestStageContainerTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestStageContainerTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestStageContainerTest.java
index aef60f3..f60915c 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestStageContainerTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RequestStageContainerTest.java
@@ -67,7 +67,7 @@ public class RequestStageContainerTest {
 
     Stage stage2 = createNiceMock(Stage.class);
     Stage stage3 = createNiceMock(Stage.class);
-    List<Stage> listStages = new ArrayList<Stage>();
+    List<Stage> listStages = new ArrayList<>();
     listStages.add(stage2);
     listStages.add(stage3);
     requestStages.addStages(listStages);
@@ -85,7 +85,7 @@ public class RequestStageContainerTest {
 
     Stage stage1 = createNiceMock(Stage.class);
     Stage stage2 = createNiceMock(Stage.class);
-    List<Stage> listStages = new ArrayList<Stage>();
+    List<Stage> listStages = new ArrayList<>();
     listStages.add(stage1);
     listStages.add(stage2);
 
@@ -109,7 +109,7 @@ public class RequestStageContainerTest {
     HostRoleCommand command2 = createNiceMock(HostRoleCommand.class);
     HostRoleCommand command3 = createNiceMock(HostRoleCommand.class);
 
-    List<Stage> stages = new ArrayList<Stage>();
+    List<Stage> stages = new ArrayList<>();
     stages.add(stage1);
     stages.add(stage2);
     stages.add(stage3);
@@ -138,7 +138,7 @@ public class RequestStageContainerTest {
     Request request = createStrictMock(Request.class);
     Stage stage1 = createNiceMock(Stage.class);
     Stage stage2 = createNiceMock(Stage.class);
-    List<Stage> stages = new ArrayList<Stage>();
+    List<Stage> stages = new ArrayList<>();
     stages.add(stage1);
     stages.add(stage2);
 
@@ -176,12 +176,12 @@ public class RequestStageContainerTest {
     Stage stage2 = createNiceMock(Stage.class);
     HostRoleCommand command1 = createNiceMock(HostRoleCommand.class);
     Role role = createNiceMock(Role.class);
-    List<Stage> stages = new ArrayList<Stage>();
+    List<Stage> stages = new ArrayList<>();
     RoleCommand roleCommand = RoleCommand.INSTALL;
     HostRoleStatus status = HostRoleStatus.IN_PROGRESS;
     stages.add(stage1);
     stages.add(stage2);
-    List<HostRoleCommand> hostRoleCommands = new ArrayList<HostRoleCommand>();
+    List<HostRoleCommand> hostRoleCommands = new ArrayList<>();
     hostRoleCommands.add(command1);
 
     expect(actionManager.getRequestTasks(100)).andReturn(hostRoleCommands);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RoleAuthorizationResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RoleAuthorizationResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RoleAuthorizationResourceProviderTest.java
index a8e603b..dcaa61b 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RoleAuthorizationResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RoleAuthorizationResourceProviderTest.java
@@ -82,7 +82,7 @@ public class RoleAuthorizationResourceProviderTest extends 
EasyMockSupport {
     
expect(roleAuthorizationEntity.getAuthorizationId()).andReturn("TEST.DO_SOMETHING");
     expect(roleAuthorizationEntity.getAuthorizationName()).andReturn("Do 
Something");
 
-    List<RoleAuthorizationEntity> authorizationEntities = new 
ArrayList<RoleAuthorizationEntity>();
+    List<RoleAuthorizationEntity> authorizationEntities = new ArrayList<>();
     authorizationEntities.add(roleAuthorizationEntity);
 
     RoleAuthorizationDAO roleAuthorizationDAO = 
injector.getInstance(RoleAuthorizationDAO.class);
@@ -112,7 +112,7 @@ public class RoleAuthorizationResourceProviderTest extends 
EasyMockSupport {
     
expect(roleAuthorizationEntity.getAuthorizationId()).andReturn("TEST.DO_SOMETHING").once();
     expect(roleAuthorizationEntity.getAuthorizationName()).andReturn("Do 
Something").once();
 
-    List<RoleAuthorizationEntity> authorizationEntities = new 
ArrayList<RoleAuthorizationEntity>();
+    List<RoleAuthorizationEntity> authorizationEntities = new ArrayList<>();
     authorizationEntities.add(roleAuthorizationEntity);
 
     PermissionEntity permissionEntry = 
createStrictMock(PermissionEntity.class);
@@ -152,7 +152,7 @@ public class RoleAuthorizationResourceProviderTest extends 
EasyMockSupport {
     
expect(roleAuthorizationEntity2.getAuthorizationId()).andReturn("TEST.DO_SOMETHING_ELSE").anyTimes();
     expect(roleAuthorizationEntity2.getAuthorizationName()).andReturn("Do 
Something Else").anyTimes();
 
-    List<RoleAuthorizationEntity> authorizationEntities = new 
ArrayList<RoleAuthorizationEntity>();
+    List<RoleAuthorizationEntity> authorizationEntities = new ArrayList<>();
     authorizationEntities.add(roleAuthorizationEntity1);
     authorizationEntities.add(roleAuthorizationEntity2);
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentPropertyProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentPropertyProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentPropertyProviderTest.java
index 1f4f4ca..6be5142 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentPropertyProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentPropertyProviderTest.java
@@ -67,7 +67,7 @@ public class RootServiceComponentPropertyProviderTest {
     
resource.setProperty(RootServiceComponentResourceProvider.COMPONENT_NAME_PROPERTY_ID,
 componentName);
     
resource.setProperty(RootServiceComponentResourceProvider.SERVICE_NAME_PROPERTY_ID,
 RootServiceResponseFactory.Services.AMBARI.name());
 
-    HashSet<String> requestIds = new HashSet<String>();
+    HashSet<String> requestIds = new HashSet<>();
 
     if (requestCiphers) {
       
requestIds.add(RootServiceComponentPropertyProvider.CIPHER_PROPERTIES_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentResourceProviderTest.java
index 265206e..eb6f08e 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceComponentResourceProviderTest.java
@@ -49,13 +49,13 @@ public class RootServiceComponentResourceProviderTest {
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<RootServiceComponentResponse> allResponse = new 
HashSet<RootServiceComponentResponse>();
+    Set<RootServiceComponentResponse> allResponse = new HashSet<>();
     allResponse.add(new RootServiceComponentResponse("component1", "1.1.1", 
Collections.<String,String>emptyMap()));
     allResponse.add(new RootServiceComponentResponse("component2", "1.1.1", 
Collections.<String,String>emptyMap()));
     allResponse.add(new RootServiceComponentResponse("component3", "1.1.1", 
Collections.<String,String>emptyMap()));
     allResponse.add(new 
RootServiceComponentResponse(RootServiceResponseFactory.Components.AMBARI_SERVER.name(),
 "1.1.1", Collections.<String,String>emptyMap()));
 
-    Set<RootServiceComponentResponse> nameResponse = new 
HashSet<RootServiceComponentResponse>();
+    Set<RootServiceComponentResponse> nameResponse = new HashSet<>();
     nameResponse.add(new RootServiceComponentResponse("component4", "1.1.1", 
Collections.<String,String>emptyMap()));
 
 
@@ -71,7 +71,7 @@ public class RootServiceComponentResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     
propertyIds.add(RootServiceComponentResourceProvider.SERVICE_NAME_PROPERTY_ID);
     
propertyIds.add(RootServiceComponentResourceProvider.COMPONENT_NAME_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceHostComponentResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceHostComponentResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceHostComponentResourceProviderTest.java
index 9ce2b7b..f15c9f2 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceHostComponentResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceHostComponentResourceProviderTest.java
@@ -65,13 +65,13 @@ public class RootServiceHostComponentResourceProviderTest {
 
     AbstractRootServiceResponseFactory factory = 
createNiceMock(AbstractRootServiceResponseFactory.class);
 
-    List<Host> hosts = new LinkedList<Host>();
+    List<Host> hosts = new LinkedList<>();
     hosts.add(host1);
 
-    Set<Cluster> clusterSet = new HashSet<Cluster>();
+    Set<Cluster> clusterSet = new HashSet<>();
     clusterSet.add(cluster);
 
-    Set<RootServiceHostComponentResponse> responseSet = new 
HashSet<RootServiceHostComponentResponse>();
+    Set<RootServiceHostComponentResponse> responseSet = new HashSet<>();
     responseSet.add(response);
 
     // set expectations
@@ -110,7 +110,7 @@ public class RootServiceHostComponentResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     
propertyIds.add(RootServiceHostComponentResourceProvider.SERVICE_NAME_PROPERTY_ID);
     
propertyIds.add(RootServiceHostComponentResourceProvider.HOST_NAME_PROPERTY_ID);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceResourceProviderTest.java
index f59cc90..13b2841 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/RootServiceResourceProviderTest.java
@@ -47,12 +47,12 @@ public class RootServiceResourceProviderTest {
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 
-    Set<RootServiceResponse> allResponse = new HashSet<RootServiceResponse>();
+    Set<RootServiceResponse> allResponse = new HashSet<>();
     allResponse.add(new RootServiceResponse("service1"));
     allResponse.add(new RootServiceResponse("service2"));
     allResponse.add(new RootServiceResponse("service3"));
 
-    Set<RootServiceResponse> nameResponse = new HashSet<RootServiceResponse>();
+    Set<RootServiceResponse> nameResponse = new HashSet<>();
     nameResponse.add(new RootServiceResponse("service4"));
 
 
@@ -68,7 +68,7 @@ public class RootServiceResourceProviderTest {
         PropertyHelper.getKeyPropertyIds(type),
         managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(RootServiceResourceProvider.SERVICE_NAME_PROPERTY_ID);
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ScaleClusterRequestTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ScaleClusterRequestTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ScaleClusterRequestTest.java
index 972ea7d..48d1351 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ScaleClusterRequestTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ScaleClusterRequestTest.java
@@ -134,7 +134,7 @@ public class ScaleClusterRequestTest {
     reset(hostResourceProvider);
     replay(hostResourceProvider);
 
-    Set<Map<String, Object>> propertySet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> propertySet = new HashSet<>();
     propertySet.add(createScaleClusterPropertiesGroup1_HostName(CLUSTER_NAME, 
BLUEPRINT_NAME));
     propertySet.add(createScaleClusterPropertiesGroup1_HostName2(CLUSTER_NAME, 
BLUEPRINT_NAME));
 
@@ -239,7 +239,7 @@ public class ScaleClusterRequestTest {
 
   @Test
   public void testMultipleHostGroups() throws Exception {
-    Set<Map<String, Object>> propertySet = new HashSet<Map<String, Object>>();
+    Set<Map<String, Object>> propertySet = new HashSet<>();
     
propertySet.add(createScaleClusterPropertiesGroup1_HostCountAndPredicate(CLUSTER_NAME,
 BLUEPRINT_NAME));
     propertySet.add(createScaleClusterPropertiesGroup1_HostCount(CLUSTER_NAME, 
BLUEPRINT_NAME));
     propertySet.add(createScaleClusterPropertiesGroup1_HostName(CLUSTER_NAME, 
BLUEPRINT_NAME));
@@ -328,7 +328,7 @@ public class ScaleClusterRequestTest {
     reset(hostResourceProvider);
     replay(hostResourceProvider);
 
-    Set<Map<String, Object>> propertySet = new LinkedHashSet<Map<String, 
Object>>();
+    Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
     propertySet.add(createScaleClusterPropertiesGroup1_HostName(CLUSTER_NAME, 
BLUEPRINT_NAME));
     propertySet.add(createScaleClusterPropertiesGroup1_HostName2(CLUSTER_NAME, 
"OTHER_BLUEPRINT"));
 
@@ -337,7 +337,7 @@ public class ScaleClusterRequestTest {
   }
 
   public static Map<String, Object> 
createScaleClusterPropertiesGroup1_HostName(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, blueprintName);
@@ -348,7 +348,7 @@ public class ScaleClusterRequestTest {
   }
 
   public static Map<String, Object> 
createScaleClusterPropertiesGroup1_HostCount(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, blueprintName);
@@ -359,7 +359,7 @@ public class ScaleClusterRequestTest {
   }
 
   public static Map<String, Object> 
createScaleClusterPropertiesGroup1_HostCountAndPredicate(String clusterName, 
String blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, blueprintName);
@@ -371,7 +371,7 @@ public class ScaleClusterRequestTest {
   }
 
   public static Map<String, Object> 
createScaleClusterPropertiesGroup1_HostCount2(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, blueprintName);
@@ -382,7 +382,7 @@ public class ScaleClusterRequestTest {
   }
 
   public static Map<String, Object> 
createScaleClusterPropertiesGroup1_HostName2(String clusterName, String 
blueprintName) {
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
clusterName);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, blueprintName);

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SchemaImplTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SchemaImplTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SchemaImplTest.java
index 19a7467..aef29dd 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SchemaImplTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/SchemaImplTest.java
@@ -48,7 +48,7 @@ import junit.framework.Assert;
  */
 public class SchemaImplTest {
 
-  private static final Set<String> resourceProviderProperties = new 
HashSet<String>();
+  private static final Set<String> resourceProviderProperties = new 
HashSet<>();
 
   static {
     resourceProviderProperties.add(PropertyHelper.getPropertyId("c1", "p1"));
@@ -87,7 +87,7 @@ public class SchemaImplTest {
     @Override
     public Set<String> checkPropertyIds(Set<String> propertyIds) {
       if (!resourceProviderProperties.containsAll(propertyIds)) {
-        Set<String> unsupportedPropertyIds = new HashSet<String>(propertyIds);
+        Set<String> unsupportedPropertyIds = new HashSet<>(propertyIds);
         unsupportedPropertyIds.removeAll(resourceProviderProperties);
         return unsupportedPropertyIds;
       }
@@ -95,7 +95,7 @@ public class SchemaImplTest {
     }
   };
 
-  private static final Set<String> propertyProviderProperties = new 
HashSet<String>();
+  private static final Set<String> propertyProviderProperties = new 
HashSet<>();
 
   static {
     propertyProviderProperties.add(PropertyHelper.getPropertyId("c3", "p5"));
@@ -113,7 +113,7 @@ public class SchemaImplTest {
     @Override
     public Set<String> checkPropertyIds(Set<String> propertyIds) {
       if (!propertyProviderProperties.containsAll(propertyIds)) {
-        Set<String> unsupportedPropertyIds = new HashSet<String>(propertyIds);
+        Set<String> unsupportedPropertyIds = new HashSet<>(propertyIds);
         unsupportedPropertyIds.removeAll(propertyProviderProperties);
         return unsupportedPropertyIds;
       }
@@ -121,13 +121,13 @@ public class SchemaImplTest {
     }
   };
 
-  private static final List<PropertyProvider> propertyProviders = new 
LinkedList<PropertyProvider>();
+  private static final List<PropertyProvider> propertyProviders = new 
LinkedList<>();
 
   static {
     propertyProviders.add(propertyProvider);
   }
 
-  private static final Map<Resource.Type, String> keyPropertyIds = new 
HashMap<Resource.Type, String>();
+  private static final Map<Resource.Type, String> keyPropertyIds = new 
HashMap<>();
 
   static {
     keyPropertyIds.put(Resource.Type.Cluster, 
PropertyHelper.getPropertyId("c1", "p1"));

http://git-wip-us.apache.org/repos/asf/ambari/blob/edbb5492/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java
index 994f221..44c2493 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java
@@ -142,10 +142,10 @@ public class ServiceResourceProviderTest {
     ResourceProvider provider = getServiceProvider(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<>();
 
     // Service 1: create a map of properties for the request
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     // add properties to the request map
     properties.put(ServiceResourceProvider.SERVICE_CLUSTER_NAME_PROPERTY_ID, 
"Cluster100");
@@ -197,7 +197,7 @@ public class ServiceResourceProviderTest {
     ServiceFactory serviceFactory = createNiceMock(ServiceFactory.class);
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
 
-    Map<String, Service> allResponseMap = new HashMap<String, Service>();
+    Map<String, Service> allResponseMap = new HashMap<>();
     allResponseMap.put("Service100", service0);
     allResponseMap.put("Service101", service1);
     allResponseMap.put("Service102", service2);
@@ -254,7 +254,7 @@ public class ServiceResourceProviderTest {
 
     ResourceProvider provider = getServiceProvider(managementController);
 
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
 
     propertyIds.add(ServiceResourceProvider.SERVICE_CLUSTER_NAME_PROPERTY_ID);
     propertyIds.add(ServiceResourceProvider.SERVICE_SERVICE_NAME_PROPERTY_ID);
@@ -265,7 +265,7 @@ public class ServiceResourceProviderTest {
     Set<Resource> resources = provider.getResources(request, predicate);
 
     Assert.assertEquals(5, resources.size());
-    Set<String> names = new HashSet<String>();
+    Set<String> names = new HashSet<>();
     for (Resource resource : resources) {
       String clusterName = (String) 
resource.getPropertyValue(ServiceResourceProvider.SERVICE_CLUSTER_NAME_PROPERTY_ID);
       Assert.assertEquals("Cluster100", clusterName);
@@ -292,7 +292,7 @@ public class ServiceResourceProviderTest {
     resources = provider.getResources(request, predicate);
 
     Assert.assertEquals(3, resources.size());
-    names = new HashSet<String>();
+    names = new HashSet<>();
     for (Resource resource : resources) {
       String clusterName = (String) 
resource.getPropertyValue(ServiceResourceProvider.SERVICE_CLUSTER_NAME_PROPERTY_ID);
       Assert.assertEquals("Cluster100", clusterName);
@@ -319,7 +319,7 @@ public class ServiceResourceProviderTest {
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
     KerberosHelper kerberosHeper = createStrictMock(KerberosHelper.class);
 
-    Map<String, Service> allResponseMap = new HashMap<String, Service>();
+    Map<String, Service> allResponseMap = new HashMap<>();
     allResponseMap.put("KERBEROS", service0);
 
     // set expectations
@@ -387,7 +387,7 @@ public class ServiceResourceProviderTest {
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
     KerberosHelper kerberosHelper = createStrictMock(KerberosHelper.class);
 
-    Map<String, Service> allResponseMap = new HashMap<String, Service>();
+    Map<String, Service> allResponseMap = new HashMap<>();
     allResponseMap.put("KERBEROS", service0);
 
     // set expectations
@@ -454,7 +454,7 @@ public class ServiceResourceProviderTest {
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
     KerberosHelper kerberosHeper = createStrictMock(KerberosHelper.class);
 
-    Map<String, Service> allResponseMap = new HashMap<String, Service>();
+    Map<String, Service> allResponseMap = new HashMap<>();
     allResponseMap.put("KERBEROS", service0);
 
     // set expectations
@@ -523,7 +523,7 @@ public class ServiceResourceProviderTest {
     AmbariMetaInfo ambariMetaInfo = createNiceMock(AmbariMetaInfo.class);
     KerberosHelper kerberosHeper = createStrictMock(KerberosHelper.class);
 
-    Map<String, Service> allResponseMap = new HashMap<String, Service>();
+    Map<String, Service> allResponseMap = new HashMap<>();
     allResponseMap.put("KERBEROS", service0);
 
     // set expectations
@@ -608,7 +608,7 @@ public class ServiceResourceProviderTest {
     StackId stackId = createNiceMock(StackId.class);
     ServiceInfo serviceInfo = createNiceMock(ServiceInfo.class);
 
-    Map<String, String> mapRequestProps = new HashMap<String, String>();
+    Map<String, String> mapRequestProps = new HashMap<>();
     mapRequestProps.put("context", "Called from a test");
 
     // set expectations
@@ -663,7 +663,7 @@ public class ServiceResourceProviderTest {
     ServiceResourceProvider provider = 
getServiceProvider(managementController, maintenanceStateHelper);
 
     // add the property map to a set for the request.
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(ServiceResourceProvider.SERVICE_SERVICE_STATE_PROPERTY_ID, 
"STARTED");
 
@@ -716,7 +716,7 @@ public class ServiceResourceProviderTest {
     StackId stackId = createNiceMock(StackId.class);
     ServiceInfo serviceInfo = createNiceMock(ServiceInfo.class);
 
-    Map<String, String> mapRequestProps = new HashMap<String, String>();
+    Map<String, String> mapRequestProps = new HashMap<>();
     mapRequestProps.put("context", "Called from a test");
 
     // set expectations
@@ -797,7 +797,7 @@ public class ServiceResourceProviderTest {
     ServiceResourceProvider provider2 = 
getServiceProvider(managementController2, maintenanceStateHelper);
 
     // add the property map to a set for the request.
-    Map<String, Object> properties = new LinkedHashMap<String, Object>();
+    Map<String, Object> properties = new LinkedHashMap<>();
 
     properties.put(ServiceResourceProvider.SERVICE_SERVICE_STATE_PROPERTY_ID,
       "STARTED");
@@ -943,7 +943,7 @@ public class ServiceResourceProviderTest {
     Cluster cluster = createNiceMock(Cluster.class);
     Service service = createNiceMock(Service.class);
     ServiceComponent sc = createNiceMock(ServiceComponent.class);
-    Map<String, ServiceComponent> scMap = new HashMap<String, 
ServiceComponent>();
+    Map<String, ServiceComponent> scMap = new HashMap<>();
     scMap.put("Component100", sc);
     State componentState = State.STARTED;
     ServiceComponentHost sch = createNiceMock(ServiceComponentHost.class);
@@ -1022,7 +1022,7 @@ public class ServiceResourceProviderTest {
     TestComponent component2 = new TestComponent("Component101", 
createNiceMock(ServiceComponent.class), State.STARTED);
     TestComponent component3 = new TestComponent("Component102", 
createNiceMock(ServiceComponent.class), State.STARTED);
 
-    Map<String, ServiceComponent> scMap = new HashMap<String, 
ServiceComponent>();
+    Map<String, ServiceComponent> scMap = new HashMap<>();
     scMap.put(component1.Name, component1.Component);
     scMap.put(component2.Name, component2.Component);
     scMap.put(component3.Name, component3.Component);
@@ -1108,7 +1108,7 @@ public class ServiceResourceProviderTest {
 
   @Test
   public void testCheckPropertyIds() throws Exception {
-    Set<String> propertyIds = new HashSet<String>();
+    Set<String> propertyIds = new HashSet<>();
     propertyIds.add("foo");
     propertyIds.add("cat1/foo");
     propertyIds.add("cat2/bar");
@@ -1117,7 +1117,7 @@ public class ServiceResourceProviderTest {
     propertyIds.add("cat4/sub2/sub3/bat");
     propertyIds.add("cat5/subcat5/map");
 
-    Map<Resource.Type, String> keyPropertyIds = new HashMap<Resource.Type, 
String>();
+    Map<Resource.Type, String> keyPropertyIds = new HashMap<>();
 
     AmbariManagementController managementController = 
createMock(AmbariManagementController.class);
 

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