+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.controller.sal.binding.impl;
-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.spi.RpcContextIdentifier;
-import org.opendaylight.controller.sal.binding.spi.RpcRouter;
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;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
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, //
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
.create();
+ private final ListenerRegistry<RouterInstantiationListener> routerInstantiationListener = ListenerRegistry.create();
+
+ private final static Logger LOG = LoggerFactory.getLogger(RpcProviderRegistryImpl.class);
+
+ private final String name;
+
+ private final ListenerRegistry<GlobalRpcRegistrationListener> globalRpcListeners = ListenerRegistry.create();
+
+ public String getName() {
+ return name;
+ }
+
+ public RpcProviderRegistryImpl(String name) {
+ super();
+ this.name = name;
+ }
@Override
public final <T extends RpcService> RoutedRpcRegistration<T> addRoutedRpcImplementation(Class<T> type,
@Override
public final <T extends RpcService> RpcRegistration<T> addRpcImplementation(Class<T> type, T implementation)
throws IllegalStateException {
+ @SuppressWarnings("unchecked")
RpcRouter<T> potentialRouter = (RpcRouter<T>) rpcRouters.get(type);
if (potentialRouter != null) {
checkState(potentialRouter.getDefaultService() == null,
T publicProxy = getRpcService(type);
RpcService currentDelegate = RuntimeCodeHelper.getDelegate(publicProxy);
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);
}
+ @SuppressWarnings("unchecked")
@Override
public final <T extends RpcService> T getRpcService(Class<T> type) {
- RpcService potentialProxy = publicProxies.get(type);
+ T potentialProxy = (T) publicProxies.get(type);
if (potentialProxy != null) {
- return (T) potentialProxy;
+ return potentialProxy;
+ }
+ synchronized (this) {
+ /**
+ * Potential proxy could be instantiated by other thread while we
+ * were waiting for the lock.
+ */
+
+ potentialProxy = (T) publicProxies.get(type);
+ if (potentialProxy != null) {
+ return potentialProxy;
+ }
+ T proxy = rpcFactory.getDirectProxyFor(type);
+ LOG.debug("Created {} as public proxy for {} in {}", proxy, type.getSimpleName(), this);
+ publicProxies.put(type, proxy);
+ return proxy;
}
- T proxy = rpcFactory.getDirectProxyFor(type);
- publicProxies.put(type, proxy);
- return proxy;
}
- private <T extends RpcService> RpcRouter<T> getRpcRouter(Class<T> type) {
+ @SuppressWarnings("unchecked")
+ public <T extends RpcService> RpcRouter<T> getRpcRouter(Class<T> type) {
RpcRouter<?> potentialRouter = rpcRouters.get(type);
if (potentialRouter != null) {
return (RpcRouter<T>) potentialRouter;
}
- RpcRouter<T> router = rpcFactory.getRouterFor(type);
- router.registerRouteChangeListener(new RouteChangeForwarder(type));
- RuntimeCodeHelper.setDelegate(getRpcService(type), router.getInvocationProxy());
- rpcRouters.put(type, router);
- return router;
+ synchronized (this) {
+ /**
+ * Potential Router could be instantiated by other thread while we
+ * were waiting for the lock.
+ */
+ potentialRouter = rpcRouters.get(type);
+ if (potentialRouter != null) {
+ return (RpcRouter<T>) potentialRouter;
+ }
+ RpcRouter<T> router = rpcFactory.getRouterFor(type, name);
+ router.registerRouteChangeListener(new RouteChangeForwarder(type));
+ LOG.debug("Registering router {} as global implementation of {} in {}", router, type.getSimpleName(), this);
+ RuntimeCodeHelper.setDelegate(getRpcService(type), router.getInvocationProxy());
+ rpcRouters.put(type, router);
+ notifyListenersRoutedCreated(router);
+ return 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 {
+ listener.getInstance().onRpcRouterCreated(router);
+ } catch (Exception e) {
+ LOG.error("Unhandled exception during invoking listener {}", e);
+ }
+ }
+
}
+ public ListenerRegistration<RouterInstantiationListener> registerRouterInstantiationListener(
+ RouterInstantiationListener listener) {
+ ListenerRegistration<RouterInstantiationListener> reg = routerInstantiationListener.register(listener);
+ try {
+ for (RpcRouter<?> router : rpcRouters.values()) {
+ listener.onRpcRouterCreated(router);
+ }
+ } catch (Exception e) {
+ LOG.error("Unhandled exception during invoking listener {}", e);
+ }
+ return reg;
+ }
+
+ @Override
public <L extends RouteChangeListener<RpcContextIdentifier, InstanceIdentifier<?>>> ListenerRegistration<L> registerRouteChangeListener(
L listener) {
return (ListenerRegistration<L>) routeChangeListeners.register(listener);
this.rpcFactory = rpcFactory;
}
+ public interface RouterInstantiationListener extends EventListener {
+ 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<?>> {
public RpcProxyRegistration(Class<T> type, T service, RpcProviderRegistryImpl registry) {
super(service);
- serviceType = type;
+ this.serviceType = type;
+ this.registry = registry;
}
@Override
Code Review / controller.git / blobdiff