Solve some generics warnings

core/src/main/java/org/infinispan/factories/AbstractComponentRegistry.java

@@ -79,7 +79,7 @@ public abstract class AbstractComponentRegistry implements Lifecycle, Cloneable
     * errors generated by the component factory.
     */
    public static final boolean DEBUG_DEPENDENCIES = Boolean.getBoolean(DEPENDENCIES_ENABLE_JVMOPTION);
-   private Stack<String> debugStack = DEBUG_DEPENDENCIES ? new Stack<String>() : null;
+   private Stack<String> debugStack = DEBUG_DEPENDENCIES ? new Stack<>() : null;
 
    /**
     * Contains class definitions of component factories that can be used to construct certain components
@@ -89,7 +89,7 @@ public abstract class AbstractComponentRegistry implements Lifecycle, Cloneable
    private static final Object NULL_COMPONENT = new Object();
 
    // component and method containers
-   private final ConcurrentMap<String, Component> componentLookup = new ConcurrentHashMap<String, AbstractComponentRegistry.Component>(1);
+   private final ConcurrentMap<String, Component> componentLookup = new ConcurrentHashMap<>(1);
 
    protected volatile ComponentStatus state = ComponentStatus.INSTANTIATED;
 
@@ -466,7 +466,7 @@ protected ClassLoader registerDefaultClassLoader(ClassLoader loader) {
     */
    public void rewire() {
       // need to re-inject everything again.
-      for (Component c : new HashSet<Component>(componentLookup.values())) {
+      for (Component c : new HashSet<>(componentLookup.values())) {
          // inject dependencies for this component
          c.injectDependencies();
       }
@@ -523,7 +523,7 @@ private void populateLifeCycleMethods(Component c) {
    public synchronized void resetVolatileComponents() {
       // destroy all components to clean up resources
       getLog().tracef("Resetting volatile components");
-      for (Component c : new HashSet<Component>(componentLookup.values())) {
+      for (Component c : new HashSet<>(componentLookup.values())) {
          // the component is volatile!!
          if (!c.metadata.isSurvivesRestarts()) {
             getLog().tracef("Removing volatile component %s", c.name);
@@ -611,7 +611,7 @@ private void internalStart() throws CacheException, IllegalArgumentException {
       // first cache all start, stop and destroy methods.
       populateLifecycleMethods();
 
-      List<PrioritizedMethod> startMethods = new ArrayList<PrioritizedMethod>(componentLookup.size());
+      List<PrioritizedMethod> startMethods = new ArrayList<>(componentLookup.size());
       for (Component c : componentLookup.values()) {
          Collections.addAll(startMethods, c.startMethods);
       }
@@ -651,7 +651,7 @@ private void internalStop() {
       state = ComponentStatus.STOPPING;
       removeShutdownHook();
 
-      List<PrioritizedMethod> stopMethods = new ArrayList<PrioritizedMethod>(componentLookup.size());
+      List<PrioritizedMethod> stopMethods = new ArrayList<>(componentLookup.size());
       for (Component c : componentLookup.values()) {
          // if one of the components threw an exception during startup
          // the stop methods list may not have been initialized
@@ -743,7 +743,7 @@ private void blockUntilCacheStarts() throws InterruptedException, IllegalStateEx
     * @return a set of components
     */
    public Set<Component> getRegisteredComponents() {
-      HashSet<Component> defensiveCopy = new HashSet<Component>(componentLookup.values());
+      HashSet<Component> defensiveCopy = new HashSet<>(componentLookup.values());
       return Collections.unmodifiableSet(defensiveCopy);
    }