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 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  22 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24
  25 public class LinkChangeListenerImpl implements DataChangeListener, AutoCloseable {
  26     private final ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
  27     private OperationProcessor operationProcessor;
  28
  29     public LinkChangeListenerImpl(final DataBroker dataBroker, final OperationProcessor operationProcessor) {
  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         this.operationProcessor = operationProcessor;
  39     }
  40
  41     @Override
  42     public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  43         processAddedNodeConnectors(change.getCreatedData());
  44         processUpdatedNodeConnectors(change.getUpdatedData());
  45         processRemovedNodeConnectors(change.getRemovedPaths());
  46     }
  47
  48     /**
  49      * @param removedPaths
  50      */
  51     private void processRemovedNodeConnectors(Set<InstanceIdentifier<?>> removedPaths) {
  52         // TODO Auto-generated method stub
  53
  54     }
  55
  56     /**
  57      * @param updatedData
  58      */
  59     private void processUpdatedNodeConnectors(Map<InstanceIdentifier<?>, DataObject> updatedData) {
  60         // TODO Auto-generated method stub
  61
  62     }
  63
  64     /**
  65      * @param createdData
  66      */
  67     private void processAddedNodeConnectors(Map<InstanceIdentifier<?>, DataObject> createdData) {
  68         // TODO Auto-generated method stub
  69
  70     }
  71
  72     @Override
  73     public void close() throws Exception {
  74         dataChangeListenerRegistration.close();
  75     }
  76
  77 }