opendaylight/md-sal/compatibility/inventory-topology-compatibility/src/main/java/org/opendaylight/controller/md/compatibility/topology/TopologyMapping.java

   1 /**
   2  * Copyright (c) 2014 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.controller.md.compatibility.topology;
   9
  10 import java.util.Iterator;
  11
  12 import org.opendaylight.controller.sal.compatibility.InventoryMapping;
  13 import org.opendaylight.controller.sal.core.ConstructionException;
  14 import org.opendaylight.controller.sal.core.Edge;
  15 import org.opendaylight.controller.sal.core.NodeConnector;
  16 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
  17 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  29
  30 import com.google.common.base.Splitter;
  31
  32 public class TopologyMapping {
  33     private static final String HEAD_TAIL_STRING = "::::";
  34     private static final Splitter HEAD_TAIL_SPLITTER = Splitter.on(HEAD_TAIL_STRING);
  35
  36     public TopologyMapping(final TopologyKey path, final InstanceIdentifier<Topology> key) {
  37         // No-op for now. Multi-instance will require fixing InventoryMapping first.
  38     }
  39
  40     public Edge toAdTopologyEdge(final InstanceIdentifier<Link> identifier) throws ConstructionException {
  41         @SuppressWarnings("unchecked")
  42         final LinkKey linkKey = ((KeyedInstanceIdentifier<Link, LinkKey>)identifier).getKey();
  43
  44         final Iterator<String> it = HEAD_TAIL_SPLITTER.split(linkKey.getLinkId().getValue()).iterator();
  45         final NodeConnector tail = InventoryMapping.nodeConnectorFromId(it.next());
  46         final NodeConnector head = InventoryMapping.nodeConnectorFromId(it.next());
  47         return new Edge(tail, head);
  48     }
  49
  50     public NodeConnector toAdTopologyNodeConnector(final InstanceIdentifier<TerminationPoint> identifier) {
  51         @SuppressWarnings("unchecked")
  52         final TerminationPointKey tpKey = ((KeyedInstanceIdentifier<TerminationPoint, TerminationPointKey>)identifier).getKey();
  53
  54         return InventoryMapping.nodeConnectorFromId(tpKey.getTpId().getValue());
  55     }
  56
  57     public org.opendaylight.controller.sal.core.Node toAdTopologyNode(final InstanceIdentifier<Node> identifier) {
  58         @SuppressWarnings("unchecked")
  59         final NodeKey nodeKey = ((KeyedInstanceIdentifier<Node, NodeKey>)identifier).getKey();
  60
  61         return InventoryMapping.nodeFromNodeId(nodeKey.getNodeId().getValue());
  62     }
  63
  64     public NodeKey toTopologyNodeKey(final org.opendaylight.controller.sal.core.Node node) {
  65         return new NodeKey(new NodeId(InventoryMapping.toNodeId(node)));
  66     }
  67
  68     public TerminationPointKey toTopologyTerminationPointKey(final NodeConnector nc) {
  69         return new TerminationPointKey(new TpId(InventoryMapping.toNodeConnectorId(nc)));
  70     }
  71
  72     public LinkKey toTopologyLinkKey(final Edge edge) {
  73         final TerminationPointKey sourceTp = toTopologyTerminationPointKey(edge.getTailNodeConnector());
  74         final TerminationPointKey destTp = toTopologyTerminationPointKey(edge.getHeadNodeConnector());
  75
  76         final StringBuilder sb = new StringBuilder();
  77         sb.append(sourceTp.getTpId().toString());
  78         sb.append(HEAD_TAIL_STRING);
  79         sb.append(destTp.getTpId().toString());
  80         return new LinkKey(new LinkId(sb.toString()));
  81     }
  82 }