2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.sal.dom.broker;
10 import java.util.Collections
11 import java.util.HashMap
12 import java.util.HashSet
15 import java.util.concurrent.Callable
16 import java.util.concurrent.ExecutorService
17 import java.util.concurrent.Executors
18 import java.util.concurrent.Future
19 import org.opendaylight.controller.sal.core.api.Broker
20 import org.opendaylight.controller.sal.core.api.BrokerService
21 import org.opendaylight.controller.sal.core.api.Consumer
22 import org.opendaylight.controller.sal.core.api.Provider
23 import org.opendaylight.controller.sal.core.spi.BrokerModule
24 import org.opendaylight.yangtools.yang.common.QName
25 import org.opendaylight.yangtools.yang.common.RpcResult
26 import org.opendaylight.yangtools.yang.data.api.CompositeNode
27 import org.osgi.framework.BundleContext
28 import org.slf4j.LoggerFactory
29 import org.opendaylight.controller.sal.dom.broker.spi.RpcRouter
30 import org.opendaylight.yangtools.concepts.ListenerRegistration
31 import org.opendaylight.controller.sal.core.api.RpcRegistrationListener
32 import org.opendaylight.controller.sal.core.api.RpcProvisionRegistry
33 import org.opendaylight.controller.sal.core.api.RpcImplementation
34 import org.opendaylight.controller.md.sal.common.api.routing.RouteChangeListener
35 import org.opendaylight.controller.sal.core.api.RpcRoutingContext
36 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier
38 public class BrokerImpl implements Broker, RpcProvisionRegistry, AutoCloseable {
39 private static val log = LoggerFactory.getLogger(BrokerImpl);
41 // Broker Generic Context
42 private val Set<ConsumerContextImpl> sessions = Collections.synchronizedSet(new HashSet<ConsumerContextImpl>());
43 private val Set<ProviderContextImpl> providerSessions = Collections.synchronizedSet(
44 new HashSet<ProviderContextImpl>());
46 // Implementation specific
48 private var ExecutorService executor = Executors.newFixedThreadPool(5);
50 private var BundleContext bundleContext;
53 private var AutoCloseable deactivator;
56 private var RpcRouter router;
58 override registerConsumer(Consumer consumer, BundleContext ctx) {
59 checkPredicates(consumer);
60 log.trace("Registering consumer " + consumer);
61 val session = newSessionFor(consumer, ctx);
62 consumer.onSessionInitiated(session);
63 sessions.add(session);
67 override registerProvider(Provider provider, BundleContext ctx) {
68 checkPredicates(provider);
70 val session = newSessionFor(provider, ctx);
71 provider.onSessionInitiated(session);
72 providerSessions.add(session);
76 protected def Future<RpcResult<CompositeNode>> invokeRpcAsync(QName rpc, CompositeNode input) {
77 val result = executor.submit([|router.invokeRpc(rpc, input)] as Callable<RpcResult<CompositeNode>>);
82 private def void checkPredicates(Provider prov) {
84 throw new IllegalArgumentException("Provider should not be null.");
85 for (ProviderContextImpl session : providerSessions) {
86 if (prov.equals(session.getProvider()))
87 throw new IllegalStateException("Provider already registered");
92 private def void checkPredicates(Consumer cons) {
94 throw new IllegalArgumentException("Consumer should not be null.");
95 for (ConsumerContextImpl session : sessions) {
96 if (cons.equals(session.getConsumer()))
97 throw new IllegalStateException("Consumer already registered");
101 // Private Factory methods
102 private def ConsumerContextImpl newSessionFor(Consumer provider, BundleContext ctx) {
103 val ret = new ConsumerContextImpl(provider, ctx);
108 private def ProviderContextImpl newSessionFor(Provider provider, BundleContext ctx) {
109 val ret = new ProviderContextImpl(provider, ctx);
114 protected def void consumerSessionClosed(ConsumerContextImpl consumerContextImpl) {
115 sessions.remove(consumerContextImpl);
116 providerSessions.remove(consumerContextImpl);
119 override close() throws Exception {
120 deactivator?.close();
123 override addRpcImplementation(QName rpcType, RpcImplementation implementation) throws IllegalArgumentException {
124 router.addRpcImplementation(rpcType,implementation);
127 override addRoutedRpcImplementation(QName rpcType, RpcImplementation implementation) {
128 router.addRoutedRpcImplementation(rpcType,implementation);
131 override addRpcRegistrationListener(RpcRegistrationListener listener) {
132 return router.addRpcRegistrationListener(listener);
135 override <L extends RouteChangeListener<RpcRoutingContext, InstanceIdentifier>> registerRouteChangeListener(L listener) {
136 return router.registerRouteChangeListener(listener);
139 override invokeRpc(QName rpc,CompositeNode input){
140 return router.invokeRpc(rpc,input)
143 override getSupportedRpcs() {
144 return router.getSupportedRpcs();