opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/codegen/impl/RpcRouterCodegenInstance.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.binding.codegen.impl;
   9
  10 import static org.opendaylight.controller.sal.binding.codegen.RuntimeCodeHelper.setRoutingTable;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import java.util.Set;
  15
  16 import org.opendaylight.controller.md.sal.common.api.routing.RouteChange;
  17 import org.opendaylight.controller.md.sal.common.api.routing.RouteChangeListener;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
  19 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
  20 import org.opendaylight.controller.sal.binding.api.rpc.RpcRouter;
  21 import org.opendaylight.controller.sal.binding.api.rpc.RpcRoutingTable;
  22 import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeHelper;
  23 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  24 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  25 import org.opendaylight.yangtools.concepts.util.ListenerRegistry;
  26 import org.opendaylight.yangtools.yang.binding.BaseIdentity;
  27 import org.opendaylight.yangtools.yang.binding.DataContainer;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.opendaylight.yangtools.yang.binding.RpcService;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import com.google.common.collect.ImmutableMap;
  34 import com.google.common.collect.ImmutableSet;
  35
  36 public class RpcRouterCodegenInstance<T extends RpcService> implements //
  37         RpcRouter<T>, RouteChangeListener<Class<? extends BaseIdentity>, InstanceIdentifier<?>> {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(RpcRouterCodegenInstance.class);
  40
  41     private T defaultService;
  42
  43     private final Class<T> serviceType;
  44
  45     private final T invocationProxy;
  46
  47     private final Set<Class<? extends BaseIdentity>> contexts;
  48
  49     private final ListenerRegistry<RouteChangeListener<Class<? extends BaseIdentity>, InstanceIdentifier<?>>> listeners;
  50
  51     private final Map<Class<? extends BaseIdentity>, RpcRoutingTableImpl<? extends BaseIdentity, T>> routingTables;
  52
  53     private final String name;
  54
  55     @SuppressWarnings("unchecked")
  56     public RpcRouterCodegenInstance(String name,Class<T> type, T routerImpl, Set<Class<? extends BaseIdentity>> contexts,
  57             Set<Class<? extends DataContainer>> inputs) {
  58         this.name = name;
  59         this.listeners = ListenerRegistry.create();
  60         this.serviceType = type;
  61         this.invocationProxy = routerImpl;
  62         this.contexts = ImmutableSet.copyOf(contexts);
  63         Map<Class<? extends BaseIdentity>, RpcRoutingTableImpl<? extends BaseIdentity, T>> mutableRoutingTables = new HashMap<>();
  64         for (Class<? extends BaseIdentity> ctx : contexts) {
  65             RpcRoutingTableImpl<? extends BaseIdentity, T> table = new RpcRoutingTableImpl<>(name,ctx,type);
  66
  67             @SuppressWarnings("rawtypes")
  68             Map invokerView = table.getRoutes();
  69
  70             setRoutingTable(invocationProxy, ctx, invokerView);
  71             mutableRoutingTables.put(ctx, table);
  72             table.registerRouteChangeListener(this);
  73         }
  74         this.routingTables = ImmutableMap.copyOf(mutableRoutingTables);
  75     }
  76
  77     @Override
  78     public Class<T> getServiceType() {
  79         return serviceType;
  80     }
  81
  82     @Override
  83     public T getInvocationProxy() {
  84         return invocationProxy;
  85     }
  86
  87     @Override
  88     @SuppressWarnings("unchecked")
  89     public <C extends BaseIdentity> RpcRoutingTable<C, T> getRoutingTable(Class<C> routeContext) {
  90         return (RpcRoutingTable<C, T>) routingTables.get(routeContext);
  91     }
  92
  93     @Override
  94     public T getDefaultService() {
  95         return defaultService;
  96     }
  97
  98     @Override
  99     public Set<Class<? extends BaseIdentity>> getContexts() {
 100         return contexts;
 101     }
 102
 103     @Override
 104     public <L extends RouteChangeListener<Class<? extends BaseIdentity>, InstanceIdentifier<?>>> ListenerRegistration<L> registerRouteChangeListener(
 105             L listener) {
 106         return listeners.registerWithType(listener);
 107     }
 108
 109     @Override
 110     public void onRouteChange(RouteChange<Class<? extends BaseIdentity>, InstanceIdentifier<?>> change) {
 111         for (ListenerRegistration<RouteChangeListener<Class<? extends BaseIdentity>, InstanceIdentifier<?>>> listener : listeners) {
 112             try {
 113                 listener.getInstance().onRouteChange(change);
 114             } catch (Exception e) {
 115                 LOG.error("Error occured during invoker listener {}", listener.getInstance(), e);
 116             }
 117         }
 118     }
 119
 120     @Override
 121     public T getService(Class<? extends BaseIdentity> context, InstanceIdentifier<?> path) {
 122         return routingTables.get(context).getRoute(path);
 123     }
 124
 125     @Override
 126     public RoutedRpcRegistration<T> addRoutedRpcImplementation(T service) {
 127         return new RoutedRpcRegistrationImpl(service);
 128     }
 129
 130     @Override
 131     public RpcRegistration<T> registerDefaultService(T service) {
 132         // TODO Auto-generated method stub
 133         RuntimeCodeHelper.setDelegate(invocationProxy, service);
 134         return null;
 135     }
 136
 137     private class RoutedRpcRegistrationImpl extends AbstractObjectRegistration<T> implements RoutedRpcRegistration<T> {
 138
 139         public RoutedRpcRegistrationImpl(T instance) {
 140             super(instance);
 141         }
 142
 143         @Override
 144         public Class<T> getServiceType() {
 145             return serviceType;
 146         }
 147
 148         @Override
 149         public void registerPath(Class<? extends BaseIdentity> context, InstanceIdentifier<?> path) {
 150             routingTables.get(context).updateRoute(path, getInstance());
 151         }
 152
 153         @Override
 154         public void unregisterPath(Class<? extends BaseIdentity> context, InstanceIdentifier<?> path) {
 155             routingTables.get(context).removeRoute(path, getInstance());
 156         }
 157
 158         @Override
 159         public void registerInstance(Class<? extends BaseIdentity> context, InstanceIdentifier<?> instance) {
 160             registerPath(context, instance);
 161         }
 162
 163         @Override
 164         public void unregisterInstance(Class<? extends BaseIdentity> context, InstanceIdentifier<?> instance) {
 165             unregisterPath(context, instance);
 166         }
 167
 168         @Override
 169         protected void removeRegistration() {
 170
 171         }
 172     }
 173 }