applications/topology-manager/src/main/java/org/opendaylight/openflowplugin/applications/topology/manager/TerminationPointChangeListenerImpl.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.model.topology.inventory.rev131030.InventoryNodeConnector;
  11
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.topology.inventory.rev131030.InventoryNodeConnectorBuilder;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  17 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24 import java.util.Map.Entry;
  25 import java.util.Map;
  26 import java.util.Set;
  27 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  28 import org.opendaylight.yangtools.yang.binding.DataObject;
  29 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35
  36 public class TerminationPointChangeListenerImpl extends DataChangeListenerImpl {
  37     private final static Logger LOG = LoggerFactory.getLogger(TerminationPointChangeListenerImpl.class);
  38
  39     public TerminationPointChangeListenerImpl(final DataBroker dataBroker, final OperationProcessor operationProcessor) {
  40         super(operationProcessor, dataBroker, InstanceIdentifier.builder(Nodes.class).child(Node.class)
  41                 .child(NodeConnector.class).augmentation(FlowCapableNodeConnector.class).build());
  42         this.operationProcessor = operationProcessor;
  43     }
  44
  45     @Override
  46     public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  47         processAddedTerminationPoints(change.getCreatedData());
  48         processUpdatedTerminationPoints(change.getUpdatedData());
  49         processRemovedTerminationPoints(change.getRemovedPaths());
  50     }
  51
  52     /**
  53      * @param removedPaths
  54      */
  55     private void processRemovedTerminationPoints(Set<InstanceIdentifier<?>> removedNodes) {
  56         for (final InstanceIdentifier<?> removedNode : removedNodes) {
  57             InstanceIdentifier<TerminationPoint> iiToTopologyTerminationPoint = provideIIToTopologyTerminationPoint(
  58                     provideTopologyTerminationPointId(removedNode), removedNode);
  59             if (iiToTopologyTerminationPoint != null) {
  60                 operationProcessor.enqueueOperation(new TopologyOperation() {
  61
  62                     @Override
  63                     public void applyOperation(ReadWriteTransaction transaction) {
  64                         transaction.delete(LogicalDatastoreType.OPERATIONAL, removedNode);
  65                     }
  66                 });
  67
  68             } else {
  69                 LOG.debug("Instance identifier to inventory wasn't translated to topology while deleting termination point.");
  70             }
  71         }
  72     }
  73
  74     /**
  75      * @param updatedData
  76      */
  77     private void processUpdatedTerminationPoints(Map<InstanceIdentifier<?>, DataObject> updatedData) {
  78         // TODO Auto-generated method stub
  79     }
  80
  81     private void processAddedTerminationPoints(Map<InstanceIdentifier<?>, DataObject> addedDatas) {
  82         for (Entry<InstanceIdentifier<?>, DataObject> addedData : addedDatas.entrySet()) {
  83             createData(addedData.getKey(), addedData.getValue());
  84         }
  85     }
  86
  87     protected void createData(InstanceIdentifier<?> iiToNodeInInventory, final DataObject data) {
  88         TpId terminationPointIdInTopology = provideTopologyTerminationPointId(iiToNodeInInventory);
  89         if (terminationPointIdInTopology != null) {
  90             InstanceIdentifier<TerminationPoint> iiToTopologyTerminationPoint = provideIIToTopologyTerminationPoint(
  91                     terminationPointIdInTopology, iiToNodeInInventory);
  92             sendToTransactionChain(prepareTopologyTerminationPoint(terminationPointIdInTopology, iiToNodeInInventory),
  93                     iiToTopologyTerminationPoint);
  94         } else {
  95             LOG.debug("Inventory node connector key is null. Data can't be written to topology termination point");
  96         }
  97     }
  98
  99     private TerminationPoint prepareTopologyTerminationPoint(final TpId terminationPointIdInTopology,
 100             final InstanceIdentifier<?> iiToNodeInInventory) {
 101         final InventoryNodeConnector inventoryNodeConnector = new InventoryNodeConnectorBuilder()
 102                 .setInventoryNodeConnectorRef(
 103                         new NodeConnectorRef(iiToNodeInInventory.firstIdentifierOf(NodeConnector.class))).build();
 104
 105         final TerminationPointBuilder terminationPointBuilder = new TerminationPointBuilder();
 106         terminationPointBuilder.setTpId(terminationPointIdInTopology);
 107         terminationPointBuilder.addAugmentation(InventoryNodeConnector.class, inventoryNodeConnector);
 108         return terminationPointBuilder.build();
 109     }
 110
 111     /**
 112      * @param terminationPointIdInTopology
 113      * @return
 114      */
 115     private InstanceIdentifier<TerminationPoint> provideIIToTopologyTerminationPoint(TpId terminationPointIdInTopology,
 116             InstanceIdentifier<?> iiToNodeInInventory) {
 117         NodeId nodeIdInTopology = provideTopologyNodeId(iiToNodeInInventory);
 118         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node> iiToTopologyNode = provideIIToTopologyNode(nodeIdInTopology);
 119         return iiToTopologyNode.builder()
 120                 .child(TerminationPoint.class, new TerminationPointKey(terminationPointIdInTopology)).build();
 121     }
 122
 123     /**
 124      * @param iiToNodeInInventory
 125      * @return
 126      */
 127     private TpId provideTopologyTerminationPointId(InstanceIdentifier<?> iiToNodeInInventory) {
 128         NodeConnectorKey inventoryNodeConnectorKey = iiToNodeInInventory.firstKeyOf(NodeConnector.class,
 129                 NodeConnectorKey.class);
 130         if (inventoryNodeConnectorKey != null) {
 131             return new TpId(inventoryNodeConnectorKey.getId().getValue());
 132         }
 133         return null;
 134     }
 135
 136 }