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.mdsal.binding.api.ClusteredDataTreeChangeListener;
  11 import org.opendaylight.mdsal.binding.api.DataBroker;
  12 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  15 import org.opendaylight.yangtools.yang.binding.DataObject;
  16 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  17
  18 /**
  19  * The superclass for the different MD-SAL data change event listeners.
  20  *
  21  */
  22 public abstract class AbstractDataListener<T extends DataObject> implements ClusteredDataTreeChangeListener<T> {
  23     private DataBroker broker;
  24     private InstanceIdentifier<T> path;
  25     private ListenerRegistration<ClusteredDataTreeChangeListener<T>> configRegistration;
  26     private ListenerRegistration<ClusteredDataTreeChangeListener<T>> operRegistration;
  27
  28     void registerDataChangeListener() {
  29         final DataTreeIdentifier<T> configDataTreeIdentifier = DataTreeIdentifier.create(
  30                 LogicalDatastoreType.CONFIGURATION, path);
  31         final DataTreeIdentifier<T> operDataTreeIdentifier = DataTreeIdentifier.create(
  32                 LogicalDatastoreType.OPERATIONAL, path);
  33
  34         configRegistration = broker.registerDataTreeChangeListener(configDataTreeIdentifier, this);
  35         operRegistration = broker.registerDataTreeChangeListener(operDataTreeIdentifier, this);
  36     }
  37
  38     public void closeDataChangeListener() {
  39         configRegistration.close();
  40         operRegistration.close();
  41     }
  42
  43     void setBroker(DataBroker broker) {
  44         this.broker = broker;
  45     }
  46
  47     void setPath(InstanceIdentifier<T> path) {
  48         this.path = path;
  49     }
  50
  51 }