BUG-620: replace xtend version of classes with Java versions
[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / sal / dom / broker / ConsumerContextImpl.java
diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/ConsumerContextImpl.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/ConsumerContextImpl.java
new file mode 100644 (file)
index 0000000..fa81bc9
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@@ -0,0 +1,114 @@
+/*
+ * 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;
+    }
+}