Fix typos in documentation

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / sal / binding / impl / RpcProviderRegistryImpl.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/RpcProviderRegistryImpl.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/RpcProviderRegistryImpl.java
index ffc72657f0e3ef406961738c6c3598ac044ecd9e..e0c7d260b5309c2242045821a1d827ae8931c6f1 100644 (file)
--- a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/RpcProviderRegistryImpl.java
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/RpcProviderRegistryImpl.java
@@ -7,29 +7,19 @@
  */
 package org.opendaylight.controller.sal.binding.impl;
 
-import java.util.EventListener;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.HashMap;
-import java.util.Set;
-import java.util.WeakHashMap;
-
-import javax.swing.tree.ExpandVetoException;
-
 import org.opendaylight.controller.md.sal.common.api.routing.RouteChange;
 import org.opendaylight.controller.md.sal.common.api.routing.RouteChangeListener;
 import org.opendaylight.controller.md.sal.common.api.routing.RouteChangePublisher;
 import org.opendaylight.controller.md.sal.common.impl.routing.RoutingUtils;
-import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.controller.sal.binding.api.rpc.RpcContextIdentifier;
 import org.opendaylight.controller.sal.binding.api.rpc.RpcRouter;
 import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeGenerator;
 import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeHelper;
 import org.opendaylight.controller.sal.binding.codegen.impl.SingletonHolder;
-import org.opendaylight.controller.sal.binding.api.rpc.RpcContextIdentifier;
 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
-import org.opendaylight.yangtools.concepts.Identifiable;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
 import org.opendaylight.yangtools.yang.binding.BaseIdentity;
@@ -38,7 +28,14 @@ import org.opendaylight.yangtools.yang.binding.RpcService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static com.google.common.base.Preconditions.*;
+import java.util.EventListener;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+import static com.google.common.base.Preconditions.checkState;
 
 public class RpcProviderRegistryImpl implements //
         RpcProviderRegistry, //
@@ -46,6 +43,7 @@ public class RpcProviderRegistryImpl implements //
 
     private RuntimeCodeGenerator rpcFactory = SingletonHolder.RPC_GENERATOR_IMPL;
 
+    // publicProxies is a cache of proxy objects where each value in the map corresponds to a specific RpcService
     private final Map<Class<? extends RpcService>, RpcService> publicProxies = new WeakHashMap<>();
     private final Map<Class<? extends RpcService>, RpcRouter<?>> rpcRouters = new WeakHashMap<>();
     private final ListenerRegistry<RouteChangeListener<RpcContextIdentifier, InstanceIdentifier<?>>> routeChangeListeners = ListenerRegistry
@@ -56,6 +54,8 @@ public class RpcProviderRegistryImpl implements //
 
     private final String name;
 
+    private final ListenerRegistry<GlobalRpcRegistrationListener> globalRpcListeners = ListenerRegistry.create();
+
     public String getName() {
         return name;
     }
@@ -86,6 +86,7 @@ public class RpcProviderRegistryImpl implements //
         checkState(currentDelegate == null, "Rpc service is already registered");
         LOG.debug("Registering {} as global implementation of {} in {}", implementation, type.getSimpleName(), this);
         RuntimeCodeHelper.setDelegate(publicProxy, implementation);
+        notifyGlobalRpcAdded(type);
         return new RpcProxyRegistration<T>(type, implementation, this);
     }
 
@@ -93,7 +94,6 @@ public class RpcProviderRegistryImpl implements //
     @Override
     public final <T extends RpcService> T getRpcService(Class<T> type) {
 
-        @SuppressWarnings("unchecked")
         T potentialProxy = (T) publicProxies.get(type);
         if (potentialProxy != null) {
             return potentialProxy;
@@ -106,7 +106,7 @@ public class RpcProviderRegistryImpl implements //
 
             potentialProxy = (T) publicProxies.get(type);
             if (potentialProxy != null) {
-                return (T) potentialProxy;
+                return potentialProxy;
             }
             T proxy = rpcFactory.getDirectProxyFor(type);
             LOG.debug("Created {} as public proxy for {} in {}", proxy, type.getSimpleName(), this);
@@ -140,7 +140,18 @@ public class RpcProviderRegistryImpl implements //
         }
     }
 
-    private void notifyListenersRoutedCreated(RpcRouter router) {
+    private void notifyGlobalRpcAdded(Class<? extends RpcService> type) {
+        for(ListenerRegistration<GlobalRpcRegistrationListener> listener : globalRpcListeners) {
+            try {
+                listener.getInstance().onGlobalRpcRegistered(type);
+            } catch (Exception e) {
+                LOG.error("Unhandled exception during invoking listener {}", e);
+            }
+        }
+
+    }
+
+    private void notifyListenersRoutedCreated(RpcRouter<?> router) {
 
         for (ListenerRegistration<RouterInstantiationListener> listener : routerInstantiationListener) {
             try {
@@ -183,6 +194,16 @@ public class RpcProviderRegistryImpl implements //
         void onRpcRouterCreated(RpcRouter<?> router);
     }
 
+    public ListenerRegistration<GlobalRpcRegistrationListener> registerGlobalRpcRegistrationListener(GlobalRpcRegistrationListener listener) {
+        return globalRpcListeners.register(listener);
+    }
+
+    public interface GlobalRpcRegistrationListener extends EventListener {
+        void onGlobalRpcRegistered(Class<? extends RpcService> cls);
+        void onGlobalRpcUnregistered(Class<? extends RpcService> cls);
+
+    }
+
     private class RouteChangeForwarder<T extends RpcService> implements
             RouteChangeListener<Class<? extends BaseIdentity>, InstanceIdentifier<?>> {