impl/src/main/java/org/opendaylight/vcpe/impl/EvcDataChangeListener.java

   1 /*
   2  * Copyright (c) 2015 CableLabs 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.vcpe.impl;
   9
  10 import java.util.Map;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.vcpe.api.IVcpeDataChangeListener;
  18 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  19 import org.opendaylight.yangtools.yang.binding.DataObject;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 public class EvcDataChangeListener implements IVcpeDataChangeListener {
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(EvcDataChangeListener.class);
  27
  28     private DataBroker dataBroker;
  29     private ListenerRegistration<DataChangeListener> evcListener = null;
  30
  31     public EvcDataChangeListener(DataBroker dataBroker) {
  32         this.dataBroker = dataBroker;
  33         evcListener = dataBroker.registerDataChangeListener(
  34                 LogicalDatastoreType.CONFIGURATION, VcpeMapper.getEvcsIid(),
  35                 this, DataChangeScope.SUBTREE);
  36     }
  37
  38     @Override
  39     public void onDataChanged(
  40             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  41         create(changes.getCreatedData());
  42         update(changes.getUpdatedData());
  43         delete(changes);
  44     }
  45
  46     @Override
  47     public void create(Map<InstanceIdentifier<?>, DataObject> changes) {
  48     }
  49
  50     @Override
  51     public void update(Map<InstanceIdentifier<?>, DataObject> changes) {
  52         // TODO Auto-generated method stub
  53     }
  54
  55     @Override
  56     public void delete(
  57             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  58         // TODO Auto-generated method stub
  59     }
  60
  61     @Override
  62     public void close() throws Exception {
  63         if (evcListener != null) {
  64             evcListener.close();
  65         }
  66     }
  67 }