opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/ChangeListenerNotifyTask.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.dom.store.impl;
   9
  10 import com.google.common.base.Preconditions;
  11
  12 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  13 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  14 import org.opendaylight.yangtools.util.concurrent.NotificationManager;
  15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 class ChangeListenerNotifyTask implements Runnable {
  21     private static final Logger LOG = LoggerFactory.getLogger(ChangeListenerNotifyTask.class);
  22
  23     @SuppressWarnings("rawtypes")
  24     private final NotificationManager<AsyncDataChangeListener,AsyncDataChangeEvent> notificationMgr;
  25     private final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> event;
  26     private final DataChangeListenerRegistration<?> listener;
  27
  28     @SuppressWarnings("rawtypes")
  29     public ChangeListenerNotifyTask(final DataChangeListenerRegistration<?> listener,
  30             final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> event,
  31             final NotificationManager<AsyncDataChangeListener,AsyncDataChangeEvent> notificationMgr) {
  32         this.notificationMgr = Preconditions.checkNotNull(notificationMgr);
  33         this.listener = Preconditions.checkNotNull(listener);
  34         this.event = Preconditions.checkNotNull(event);
  35     }
  36
  37     @Override
  38     public void run() {
  39         final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> l = listener.getInstance();
  40         if (l == null) {
  41             LOG.trace("Skipping event delivery to unregistered listener {}", l);
  42             return;
  43         }
  44         LOG.trace("Listener {} event {}", l, event);
  45
  46         // FIXME: Yo dawg I heard you like queues, so this was queued to be queued
  47         notificationMgr.submitNotification(l, event);
  48     }
  49
  50     @Override
  51     public String toString() {
  52         return "ChangeListenerNotifyTask [listener=" + listener + ", event=" + event + "]";
  53     }
  54 }