--- /dev/null
+/*
+ * Copyright (c) 2014 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.dom.broker;
+
+import java.util.Collection;
+import java.util.concurrent.Future;
+
+import javax.annotation.concurrent.GuardedBy;
+
+import org.opendaylight.controller.sal.core.api.Broker.ConsumerSession;
+import org.opendaylight.controller.sal.core.api.BrokerService;
+import org.opendaylight.controller.sal.core.api.Consumer;
+import org.opendaylight.controller.sal.dom.broker.osgi.AbstractBrokerServiceProxy;
+import org.opendaylight.controller.sal.dom.broker.osgi.ProxyFactory;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.data.api.CompositeNode;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+import com.google.common.collect.ClassToInstanceMap;
+import com.google.common.collect.MutableClassToInstanceMap;
+
+class ConsumerContextImpl implements ConsumerSession {
+
+ private final ClassToInstanceMap<BrokerService> instantiatedServices = MutableClassToInstanceMap
+ .create();
+ private final BundleContext context;
+ private final Consumer consumer;
+
+ private BrokerImpl broker = null;
+ @GuardedBy("this")
+ private boolean closed = false;
+
+ public ConsumerContextImpl(final Consumer consumer, final BundleContext ctx) {
+ this.consumer = consumer;
+ this.context = ctx;
+ }
+
+ @Override
+ public Future<RpcResult<CompositeNode>> rpc(final QName rpc,
+ final CompositeNode input) {
+ return broker.invokeRpcAsync(rpc, input);
+ }
+
+ @Override
+ public <T extends BrokerService> T getService(final Class<T> service) {
+ final T localProxy = instantiatedServices.getInstance(service);
+ if (localProxy != null) {
+ return localProxy;
+ }
+ final ServiceReference<T> serviceRef = context
+ .getServiceReference(service);
+ if (serviceRef == null) {
+ return null;
+ }
+ final T serviceImpl = context.getService(serviceRef);
+ final T ret = ProxyFactory.createProxy(serviceRef, serviceImpl);
+ if (ret != null) {
+ instantiatedServices.putInstance(service, ret);
+ }
+ return ret;
+ }
+
+ @Override
+ public void close() {
+ synchronized (this) {
+ if (closed) {
+ return;
+ }
+ this.closed = true;
+ }
+
+ Collection<BrokerService> toStop = instantiatedServices.values();
+ for (BrokerService brokerService : toStop) {
+ if (brokerService instanceof AbstractBrokerServiceProxy<?>) {
+ ((AbstractBrokerServiceProxy<?>) brokerService).close();
+ }
+ }
+ broker.consumerSessionClosed(this);
+ }
+
+ @Override
+ public synchronized boolean isClosed() {
+ return closed;
+ }
+
+ /**
+ * @return the broker
+ */
+ public BrokerImpl getBroker() {
+ return broker;
+ }
+
+ /**
+ * @param broker
+ * the broker to set
+ */
+ public void setBroker(final BrokerImpl broker) {
+ this.broker = broker;
+ }
+
+ /**
+ * @return the _consumer
+ */
+ public Consumer getConsumer() {
+ return consumer;
+ }
+}