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
33 public class BrokerImpl implements Broker, AutoCloseable {
34 private static val log = LoggerFactory.getLogger(BrokerImpl);
36 // Broker Generic Context
37 private val Set<ConsumerContextImpl> sessions = Collections.synchronizedSet(new HashSet<ConsumerContextImpl>());
38 private val Set<ProviderContextImpl> providerSessions = Collections.synchronizedSet(
39 new HashSet<ProviderContextImpl>());
41 // Implementation specific
43 private var ExecutorService executor = Executors.newFixedThreadPool(5);
45 private var BundleContext bundleContext;
48 private var AutoCloseable deactivator;
51 private var RpcRouter router;
53 override registerConsumer(Consumer consumer, BundleContext ctx) {
54 checkPredicates(consumer);
55 log.info("Registering consumer " + consumer);
56 val session = newSessionFor(consumer, ctx);
57 consumer.onSessionInitiated(session);
58 sessions.add(session);
62 override registerProvider(Provider provider, BundleContext ctx) {
63 checkPredicates(provider);
65 val session = newSessionFor(provider, ctx);
66 provider.onSessionInitiated(session);
67 providerSessions.add(session);
71 protected def Future<RpcResult<CompositeNode>> invokeRpc(QName rpc, CompositeNode input) {
72 val result = executor.submit([|router.invokeRpc(rpc, input)] as Callable<RpcResult<CompositeNode>>);
77 private def void checkPredicates(Provider prov) {
79 throw new IllegalArgumentException("Provider should not be null.");
80 for (ProviderContextImpl session : providerSessions) {
81 if (prov.equals(session.getProvider()))
82 throw new IllegalStateException("Provider already registered");
87 private def void checkPredicates(Consumer cons) {
89 throw new IllegalArgumentException("Consumer should not be null.");
90 for (ConsumerContextImpl session : sessions) {
91 if (cons.equals(session.getConsumer()))
92 throw new IllegalStateException("Consumer already registered");
96 // Private Factory methods
97 private def ConsumerContextImpl newSessionFor(Consumer provider, BundleContext ctx) {
98 val ret = new ConsumerContextImpl(provider, ctx);
103 private def ProviderContextImpl newSessionFor(Provider provider, BundleContext ctx) {
104 val ret = new ProviderContextImpl(provider, ctx);
109 protected def void consumerSessionClosed(ConsumerContextImpl consumerContextImpl) {
110 sessions.remove(consumerContextImpl);
111 providerSessions.remove(consumerContextImpl);
114 override close() throws Exception {
115 deactivator?.close();