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.DataBroker;
  11 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  12 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.yangtools.concepts.Registration;
  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 DataTreeChangeListener<T> {
  23     private DataBroker broker;
  24     private InstanceIdentifier<T> path;
  25     private Registration configRegistration;
  26     private Registration operRegistration;
  27
  28     void registerDataChangeListener() {
  29         configRegistration = broker.registerTreeChangeListener(
  30             DataTreeIdentifier.of(LogicalDatastoreType.CONFIGURATION, path), this);
  31         operRegistration = broker.registerTreeChangeListener(
  32             DataTreeIdentifier.of(LogicalDatastoreType.OPERATIONAL, path), this);
  33     }
  34
  35     public void closeDataChangeListener() {
  36         configRegistration.close();
  37         operRegistration.close();
  38     }
  39
  40     void setBroker(DataBroker broker) {
  41         this.broker = broker;
  42     }
  43
  44     void setPath(InstanceIdentifier<T> path) {
  45         this.path = path;
  46     }
  47 }