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 com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ClassToInstanceMap;
13 import com.google.common.collect.ImmutableClassToInstanceMap;
14 import com.google.common.util.concurrent.CheckedFuture;
15 import org.opendaylight.controller.md.sal.dom.api.DOMRpcAvailabilityListener;
16 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
17 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
18 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
19 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationRegistration;
20 import org.opendaylight.controller.md.sal.dom.api.DOMRpcProviderService;
21 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
22 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
23 import org.opendaylight.controller.md.sal.dom.broker.impl.DOMRpcRouter;
24 import org.opendaylight.controller.sal.core.api.Broker;
25 import org.opendaylight.controller.sal.core.api.BrokerService;
26 import org.opendaylight.controller.sal.core.api.Consumer;
27 import org.opendaylight.controller.sal.core.api.Provider;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
30 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
31 import org.osgi.framework.BundleContext;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 import javax.annotation.Nonnull;
36 import javax.annotation.Nullable;
37 import java.util.Collections;
38 import java.util.HashSet;
41 public class BrokerImpl implements Broker, DOMRpcProviderService, DOMRpcService, AutoCloseable {
42 private final static Logger log = LoggerFactory.getLogger(BrokerImpl.class);
44 // Broker Generic Context
45 private final Set<ConsumerContextImpl> sessions = Collections
46 .synchronizedSet(new HashSet<ConsumerContextImpl>());
47 private final Set<ProviderContextImpl> providerSessions = Collections
48 .synchronizedSet(new HashSet<ProviderContextImpl>());
50 private AutoCloseable deactivator = null;
52 private DOMRpcRouter router = null;
54 private final ClassToInstanceMap<BrokerService> services;
56 public BrokerImpl(final DOMRpcRouter router,final ClassToInstanceMap<BrokerService> services) {
57 this.router = Preconditions.checkNotNull(router, "RPC Router must not be null");
58 this.services = ImmutableClassToInstanceMap.copyOf(services);
63 public ConsumerSession registerConsumer(final Consumer consumer,
64 final BundleContext ctx) {
65 return registerConsumer(consumer);
69 public ProviderSession registerProvider(final Provider provider,
70 final BundleContext ctx) {
71 return registerProvider(provider);
75 private void checkPredicates(final Provider prov) {
76 Preconditions.checkNotNull(prov, "Provider should not be null.");
77 for (ProviderContextImpl session : providerSessions) {
78 if (prov.equals(session.getProvider())) {
79 throw new IllegalStateException("Provider already registered");
85 private void checkPredicates(final Consumer cons) {
86 Preconditions.checkNotNull(cons, "Consumer should not be null.");
87 for (ConsumerContextImpl session : sessions) {
88 if (cons.equals(session.getConsumer())) {
89 throw new IllegalStateException("Consumer already registered");
94 // Private Factory methods
95 private ConsumerContextImpl newSessionFor(final Consumer provider) {
96 ConsumerContextImpl ret = new ConsumerContextImpl(provider, this);
100 private ProviderContextImpl newSessionFor(final Provider provider) {
101 ProviderContextImpl ret = new ProviderContextImpl(provider, this);
105 protected void consumerSessionClosed(
106 final ConsumerContextImpl consumerContextImpl) {
107 sessions.remove(consumerContextImpl);
108 providerSessions.remove(consumerContextImpl);
112 public void close() throws Exception {
113 if (deactivator != null) {
120 * @return the deactivator
122 public AutoCloseable getDeactivator() {
128 * the deactivator to set
130 public void setDeactivator(final AutoCloseable deactivator) {
131 this.deactivator = deactivator;
137 public DOMRpcRouter getRouter() {
145 public void setRouter(final DOMRpcRouter router) {
146 this.router = router;
149 protected <T extends BrokerService> Optional<T> getGlobalService(final Class<T> service) {
150 return Optional.fromNullable(services.getInstance(service));
155 public ConsumerSession registerConsumer(Consumer consumer) {
156 checkPredicates(consumer);
157 log.trace("Registering consumer {}", consumer);
158 final ConsumerContextImpl session = newSessionFor(consumer);
159 consumer.onSessionInitiated(session);
160 sessions.add(session);
166 public ProviderSession registerProvider(Provider provider) {
167 checkPredicates(provider);
168 final ProviderContextImpl session = newSessionFor(provider);
169 provider.onSessionInitiated(session);
170 providerSessions.add(session);
177 public <T extends DOMRpcImplementation> DOMRpcImplementationRegistration<T> registerRpcImplementation(@Nonnull final T implementation, @Nonnull final DOMRpcIdentifier... rpcs) {
178 return router.registerRpcImplementation(implementation, rpcs);
183 public <T extends DOMRpcImplementation> DOMRpcImplementationRegistration<T> registerRpcImplementation(@Nonnull final T implementation, @Nonnull final Set<DOMRpcIdentifier> rpcs) {
184 return router.registerRpcImplementation(implementation, rpcs);
189 public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(@Nonnull final SchemaPath type, @Nullable final NormalizedNode<?, ?> input) {
190 return router.invokeRpc(type, input);
195 public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(@Nonnull final T listener) {
196 return router.registerRpcListener(listener);