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