opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ShardInfoListenerRegistration.java

   1 /*
   2  * Copyright (c) 2015 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.cluster.datastore.utils;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  12
  13 /**
  14  * Registration of a {@link ShardInfoListener} instance.
  15  *
  16  * @param <T> Type of listener
  17  */
  18 public class ShardInfoListenerRegistration<T extends ShardInfoListener> extends AbstractObjectRegistration<T> {
  19     private final ActorContext parent;
  20
  21     protected ShardInfoListenerRegistration(final T instance, final ActorContext parent) {
  22         super(instance);
  23         this.parent = Preconditions.checkNotNull(parent);
  24     }
  25
  26     @Override
  27     protected void removeRegistration() {
  28         parent.removeShardInfoListener(this);
  29     }
  30 }