opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/compat/AbstractNotificationListenerRegistration.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.md.sal.binding.compat;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.controller.sal.binding.api.NotificationListener;
  12 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  13 import org.opendaylight.yangtools.yang.binding.Notification;
  14
  15 /**
  16  * Abstract implementation of {@link NotificationListenerRegistration}.
  17  *
  18  * @param <T> Notification type
  19  */
  20 abstract class AbstractNotificationListenerRegistration<T extends Notification>
  21         extends AbstractListenerRegistration<NotificationListener<T>> implements NotificationListenerRegistration<T> {
  22     private final Class<? extends Notification> type;
  23
  24     protected AbstractNotificationListenerRegistration(final Class<? extends Notification> type,
  25             final NotificationListener<T> listener) {
  26         super(listener);
  27         this.type = Preconditions.checkNotNull(type);
  28     }
  29
  30     @Override
  31     public Class<? extends Notification> getType() {
  32         return type;
  33     }
  34
  35     @Override
  36     @SuppressWarnings("unchecked")
  37     public void notify(final Notification notification) {
  38         if (!isClosed()) {
  39             getInstance().onNotification((T)notification);
  40         }
  41     }
  42 }