opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/DistributedEntityOwnershipListenerRegistration.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.entityownership;
   9
  10 import com.google.common.base.MoreObjects.ToStringHelper;
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
  13 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListenerRegistration;
  14 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  15
  16 /**
  17  * Implementation of EntityOwnershipListenerRegistration.
  18  *
  19  * @author Thomas Pantelis
  20  */
  21 class DistributedEntityOwnershipListenerRegistration extends AbstractObjectRegistration<DOMEntityOwnershipListener>
  22         implements DOMEntityOwnershipListenerRegistration {
  23     private final DistributedEntityOwnershipService service;
  24     private final String entityType;
  25
  26     DistributedEntityOwnershipListenerRegistration(final DOMEntityOwnershipListener listener, final String entityType,
  27             final DistributedEntityOwnershipService service) {
  28         super(listener);
  29         this.entityType = Preconditions.checkNotNull(entityType, "entityType cannot be null");
  30         this.service = Preconditions.checkNotNull(service, "DOMEntityOwnershipListener cannot be null");
  31     }
  32
  33     @Override
  34     protected void removeRegistration() {
  35         service.unregisterListener(getEntityType(), getInstance());
  36     }
  37
  38     @Override
  39     public String getEntityType() {
  40         return entityType;
  41     }
  42
  43     @Override
  44     protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
  45         return toStringHelper.add("entityType", entityType);
  46     }
  47 }