opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/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.sal.compatibility.topology;
   9
  10 import static com.google.common.base.Preconditions.checkNotNull;
  11
  12 import java.util.List;
  13 import java.util.Set;
  14 import java.util.concurrent.CopyOnWriteArrayList;
  15
  16 import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
  17 import org.opendaylight.controller.sal.compatibility.NodeMapping;
  18 import org.opendaylight.controller.sal.core.ConstructionException;
  19 import org.opendaylight.controller.sal.core.Edge;
  20 import org.opendaylight.controller.sal.core.Node;
  21 import org.opendaylight.controller.sal.core.NodeConnector;
  22 import org.opendaylight.controller.sal.core.Property;
  23 import org.opendaylight.controller.sal.core.UpdateType;
  24 import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import com.google.common.base.Function;
  35 import com.google.common.collect.FluentIterable;
  36
  37 public final class TopologyMapping {
  38     private static final Logger LOG = LoggerFactory.getLogger(TopologyMapping.class);
  39
  40     private TopologyMapping() {
  41         throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
  42     }
  43
  44     public static List<TopoEdgeUpdate> toADEdgeUpdates(final Topology topology,final TypeSafeDataReader reader) {
  45         final List<TopoEdgeUpdate> result = new CopyOnWriteArrayList<>();
  46         return FluentIterable.from(topology.getLink()).transform(
  47                 new Function<Link, TopoEdgeUpdate>() {
  48                     @Override
  49                     public TopoEdgeUpdate apply(final Link input) {
  50                         try {
  51                             return toTopoEdgeUpdate(toAdEdge(input, topology), reader);
  52                         } catch (ConstructionException e) {
  53                             throw new IllegalArgumentException(String.format("Failed to construct edge update for {}", input), e);
  54                         }
  55                     }}
  56                 ).copyInto(result);
  57     }
  58
  59     public static Edge toAdEdge(final Link link, final Topology topology) throws ConstructionException {
  60         final NodeConnector adSrc = toADNodeConnector(link.getSource().getSourceTp(), link.getSource().getSourceNode());
  61         final NodeConnector adDst = toADNodeConnector(link.getDestination().getDestTp(), link.getDestination().getDestNode());
  62         return new Edge(adSrc, adDst);
  63     }
  64
  65     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e, final TypeSafeDataReader reader) {
  66         return toTopoEdgeUpdate(e, UpdateType.ADDED, reader);
  67     }
  68
  69     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e,final UpdateType type,final TypeSafeDataReader reader) {
  70         return new TopoEdgeUpdate(e, toAdEdgeProperties(e, reader), type);
  71     }
  72
  73     public static Set<Property> toAdEdgeProperties(final Edge e,final TypeSafeDataReader reader) {
  74         final NodeConnectorRef ncref = NodeMapping.toNodeConnectorRef(e.getTailNodeConnector());
  75         if(ncref == null) {
  76             LOG.debug("Edge {} ncref {}",e,ncref);
  77             return null;
  78         }
  79
  80         @SuppressWarnings("unchecked")
  81         final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector> ncInstanceId =
  82         (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>) ncref.getValue();
  83         if(ncInstanceId == null) {
  84             LOG.debug("Edge {} ncref {}",e,ncref);
  85             return null;
  86         }
  87
  88         final  org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector nc = reader.readOperationalData(ncInstanceId);
  89         if(nc == null) {
  90             return null;
  91         }
  92         return NodeMapping.toADNodeConnectorProperties(nc);
  93     }
  94
  95     public static String toADNodeId(final NodeId nodeId) {
  96         return nodeId.getValue();
  97     }
  98
  99     public static NodeConnector toADNodeConnector(final TpId source, final NodeId nodeId) throws ConstructionException {
 100         checkNotNull(source);
 101         return new NodeConnector(NodeMapping.MD_SAL_TYPE, toADNodeConnectorId(source), toADNode(nodeId));
 102     }
 103
 104     public static String toADNodeConnectorId(final TpId nodeConnectorId) {
 105         return nodeConnectorId.getValue();
 106     }
 107
 108     public static Node toADNode(final NodeId nodeId) throws ConstructionException {
 109         checkNotNull(nodeId);
 110         return new Node(NodeMapping.MD_SAL_TYPE, toADNodeId(nodeId));
 111     }
 112 }