applications/topology-manager/src/main/java/org/opendaylight/openflowplugin/applications/topology/manager/LinkChangeListenerImpl.java

   1 /**
   2  * Copyright (c) 2015 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.openflowplugin.applications.topology.manager;
   9
  10 import java.util.Map;
  11 import java.util.Set;
  12 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  13 import org.opendaylight.yangtools.yang.binding.DataObject;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  17 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 public class LinkChangeListenerImpl implements DataChangeListener, AutoCloseable {
  27     private final ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
  28
  29     public LinkChangeListenerImpl(final DataBroker dataBroker) {
  30         dataChangeListenerRegistration = dataBroker.registerDataChangeListener(
  31                 LogicalDatastoreType.OPERATIONAL,
  32                 InstanceIdentifier.builder(Nodes.class)
  33                         .child(Node.class)
  34                         .child(NodeConnector.class)
  35                         .augmentation(FlowCapableNodeConnector.class)
  36                         .build(),
  37                 this, AsyncDataBroker.DataChangeScope.BASE);
  38     }
  39
  40     @Override
  41     public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  42         processAddedNodeConnectors(change.getCreatedData());
  43         processUpdatedNodeConnectors(change.getUpdatedData());
  44         processRemovedNodeConnectors(change.getRemovedPaths());
  45     }
  46
  47     /**
  48      * @param removedPaths
  49      */
  50     private void processRemovedNodeConnectors(Set<InstanceIdentifier<?>> removedPaths) {
  51         // TODO Auto-generated method stub
  52
  53     }
  54
  55     /**
  56      * @param updatedData
  57      */
  58     private void processUpdatedNodeConnectors(Map<InstanceIdentifier<?>, DataObject> updatedData) {
  59         // TODO Auto-generated method stub
  60
  61     }
  62
  63     /**
  64      * @param createdData
  65      */
  66     private void processAddedNodeConnectors(Map<InstanceIdentifier<?>, DataObject> createdData) {
  67         // TODO Auto-generated method stub
  68
  69     }
  70
  71     @Override
  72     public void close() throws Exception {
  73         dataChangeListenerRegistration.close();
  74     }
  75
  76 }