Clean up of binding broker implementation

[controller.git] / opendaylight / sal / yang-prototype / sal / sal-binding-broker-impl / src / main / java / org / opendaylight / controller / sal / binding / impl / NotificationBrokerImpl.xtend

diff --git a/opendaylight/sal/yang-prototype/sal/sal-binding-broker-impl/src/main/java/org/opendaylight/controller/sal/binding/impl/NotificationBrokerImpl.xtend b/opendaylight/sal/yang-prototype/sal/sal-binding-broker-impl/src/main/java/org/opendaylight/controller/sal/binding/impl/NotificationBrokerImpl.xtend
new file mode 100644 (file)
index 0000000..da1ba79
--- /dev/null
+++ b/opendaylight/sal/yang-prototype/sal/sal-binding-broker-impl/src/main/java/org/opendaylight/controller/sal/binding/impl/NotificationBrokerImpl.xtend
@@ -0,0 +1,51 @@
+/*
+ * 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.binding.impl
+
+import org.opendaylight.controller.sal.binding.api.NotificationProviderService
+import org.opendaylight.yangtools.yang.binding.Notification
+import com.google.common.collect.Multimap
+import org.opendaylight.controller.sal.binding.api.NotificationListener
+import com.google.common.collect.HashMultimap
+import java.util.concurrent.ExecutorService
+import java.util.Collection
+
+class NotificationBrokerImpl implements NotificationProviderService {
+
+    val Multimap<Class<? extends Notification>, NotificationListener<?>> listeners;
+    val ExecutorService executor;
+
+    new(ExecutorService executor) {
+        listeners = HashMultimap.create()
+        this.executor = executor;
+    }
+
+    override <T extends Notification> addNotificationListener(Class<T> notificationType,
+        NotificationListener<T> listener) {
+        listeners.put(notificationType, listener)
+    }
+
+    override <T extends Notification> removeNotificationListener(Class<T> notificationType,
+        NotificationListener<T> listener) {
+        listeners.remove(notificationType, listener)
+    }
+
+    override notify(Notification notification) {
+        notification.notificationTypes.forEach [
+            listeners.get(it as Class<? extends Notification>)?.notifyAll(notification)
+        ]
+    }
+
+    def getNotificationTypes(Notification notification) {
+        notification.class.interfaces.filter[it != Notification && Notification.isAssignableFrom(it)]
+    }
+
+    def notifyAll(Collection<NotificationListener<?>> listeners, Notification notification) {
+        listeners.forEach[(it as NotificationListener).onNotification(notification)]
+    }
+}