mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/mdsal/AbstractDataListener.java

   1 /*
   2  * Copyright (c) 2016 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.lispflowmapping.implementation.mdsal;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  13 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  16 import org.opendaylight.yangtools.yang.binding.DataObject;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18
  19 /**
  20  * The superclass for the different MD-SAL data change event listeners.
  21  *
  22  */
  23 public abstract class AbstractDataListener<T extends DataObject> implements ClusteredDataTreeChangeListener<T> {
  24     private DataBroker broker;
  25     private InstanceIdentifier<T> path;
  26     private ListenerRegistration<DataTreeChangeListener<T>> registration;
  27
  28     public void registerDataChangeListener() {
  29         final DataTreeIdentifier<T> dataTreeIdentifier = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
  30                 path);
  31
  32         registration = broker.registerDataTreeChangeListener(dataTreeIdentifier, this);
  33     }
  34
  35     public void closeDataChangeListener() {
  36         registration.close();
  37     }
  38
  39     public void setBroker(DataBroker broker) {
  40         this.broker = broker;
  41     }
  42
  43     void setPath(InstanceIdentifier<T> path) {
  44         this.path = path;
  45     }
  46
  47 }