sal-restconf-broker initial implementation

[controller.git] / opendaylight / md-sal / sal-restconf-broker / src / main / java / org / opendaylight / controller / sal / restconf / broker / impl / NotificationServiceImpl.java

diff --git a/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/NotificationServiceImpl.java b/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/NotificationServiceImpl.java
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+++ b/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/NotificationServiceImpl.java
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+/*
+ * Copyright (c) 2013 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.restconf.broker.impl;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
+import com.google.common.collect.SetMultimap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import org.opendaylight.controller.sal.binding.api.NotificationListener;
+import org.opendaylight.controller.sal.binding.api.NotificationService;
+import org.opendaylight.controller.sal.restconf.broker.listeners.RemoteNotificationListener;
+import org.opendaylight.controller.sal.restconf.broker.tools.RemoteStreamTools;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.QName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.SalRemoteService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.restconf.client.api.RestconfClientContext;
+import org.opendaylight.yangtools.restconf.client.api.event.EventStreamInfo;
+import org.opendaylight.yangtools.yang.binding.Notification;
+
+public class NotificationServiceImpl implements NotificationService {
+    private SalRemoteService salRemoteService;
+    private RestconfClientContext restconfClientContext;
+
+    private final Multimap<Class<? extends Notification>,NotificationListener<? extends Object>> listeners;
+    private ExecutorService _executor;
+
+    public NotificationServiceImpl(RestconfClientContext restconfClienetContext){
+        this.restconfClientContext = restconfClienetContext;
+        this.salRemoteService = this.restconfClientContext.getRpcServiceContext(SalRemoteService.class).getRpcService();
+
+        HashMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _create = HashMultimap.<Class<? extends Notification>, NotificationListener<? extends Object>>create();
+        SetMultimap<Class<? extends Notification>,NotificationListener<? extends Object>> _synchronizedSetMultimap = Multimaps.<Class<? extends Notification>, NotificationListener<? extends Object>>synchronizedSetMultimap(_create);
+        this.listeners = _synchronizedSetMultimap;
+
+    }
+    public ExecutorService getExecutor() {
+        return this._executor;
+    }
+
+    public void setExecutor(final ExecutorService executor) {
+        this._executor = executor;
+    }
+
+    @Override
+    public <T extends Notification> void addNotificationListener(Class<T> notificationType, NotificationListener<T> listener) {
+        this.listeners.put(notificationType, listener);
+    }
+
+    @Override
+    public void addNotificationListener(org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
+        UnsupportedOperationException _unsupportedOperationException = new UnsupportedOperationException("Deprecated method. Use registerNotificationListener instead.");
+        throw _unsupportedOperationException;
+    }
+
+    @Override
+    public void removeNotificationListener(org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
+        UnsupportedOperationException _unsupportedOperationException = new UnsupportedOperationException(
+                "Deprecated method. Use RegisterNotificationListener returned value to close registration.");
+        throw _unsupportedOperationException;
+    }
+
+    @Override
+    public <T extends Notification> void removeNotificationListener(Class<T> notificationType, NotificationListener<T> listener) {
+        this.listeners.remove(notificationType, listener);
+    }
+
+    @Override
+    public <T extends Notification> Registration<NotificationListener<T>> registerNotificationListener(Class<T> notificationType, NotificationListener<T> listener) {
+        //TODO implementation using sal-remote
+        List<QName> notifications = new ArrayList<QName>();
+        notifications.add(new QName(notificationType.toString()));
+        String notificationStreamName = RemoteStreamTools.createNotificationStream(salRemoteService, notifications);
+        final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext, notificationStreamName);
+        RemoteNotificationListener remoteNotificationListener = new RemoteNotificationListener(listener);
+        ListenerRegistration listenerRegistration = restconfClientContext.getEventStreamContext(desiredEventStream.get(desiredEventStream.get(notificationStreamName))).registerNotificationListener(remoteNotificationListener);
+        SalNotificationRegistration salNotificationRegistration = new SalNotificationRegistration(listenerRegistration);
+        return salNotificationRegistration;
+    }
+
+    @Override
+    public Registration<org.opendaylight.yangtools.yang.binding.NotificationListener> registerNotificationListener(org.opendaylight.yangtools.yang.binding.NotificationListener listener) {
+        //TODO implementation using sal-remote
+        String notificationStreamName = RemoteStreamTools.createNotificationStream(salRemoteService, null);
+        final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext, notificationStreamName);
+        ListenerRegistration listenerRegistration = restconfClientContext.getEventStreamContext(desiredEventStream.get(desiredEventStream.get(notificationStreamName))).registerNotificationListener(listener);
+        return listenerRegistration;
+    }
+
+    private class SalNotificationRegistration<T extends Notification> implements Registration<NotificationListener<T>>{
+        private Registration registration;
+
+        public SalNotificationRegistration(ListenerRegistration listenerRegistration){
+            this.registration = listenerRegistration;
+        }
+
+        @Override
+        public NotificationListener<T> getInstance() {
+            return this.getInstance();
+        }
+
+        @Override
+        public void close() throws Exception {
+            this.registration.close();
+        }
+    }
+
+
+}