opendaylight/md-sal/sal-distributed-eos/src/main/java/org/opendaylight/controller/cluster/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.entityownership;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.MoreObjects.ToStringHelper;
  13 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
  14 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListenerRegistration;
  15 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  16
  17 /**
  18  * Implementation of EntityOwnershipListenerRegistration.
  19  *
  20  * @author Thomas Pantelis
  21  */
  22 class DistributedEntityOwnershipListenerRegistration extends AbstractObjectRegistration<DOMEntityOwnershipListener>
  23         implements DOMEntityOwnershipListenerRegistration {
  24     private final DistributedEntityOwnershipService service;
  25     private final String entityType;
  26
  27     DistributedEntityOwnershipListenerRegistration(final DOMEntityOwnershipListener listener, final String entityType,
  28             final DistributedEntityOwnershipService service) {
  29         super(listener);
  30         this.entityType = requireNonNull(entityType, "entityType cannot be null");
  31         this.service = requireNonNull(service, "DOMEntityOwnershipListener cannot be null");
  32     }
  33
  34     @Override
  35     protected void removeRegistration() {
  36         service.unregisterListener(getEntityType(), getInstance());
  37     }
  38
  39     @Override
  40     public String getEntityType() {
  41         return entityType;
  42     }
  43
  44     @Override
  45     protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
  46         return toStringHelper.add("entityType", entityType);
  47     }
  48 }