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