bgp/topology-provider/src/main/java/org/opendaylight/bgpcep/bgp/topology/provider/LinkstateTopologyBuilder.java

   1 /*
   2  * Copyright (c) 2013 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.bgpcep.bgp.topology.provider;
   9
  10 import java.math.BigDecimal;
  11 import java.nio.ByteBuffer;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14
  15 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
  16 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  17 import org.opendaylight.protocol.bgp.rib.LocRibReference;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.NodeIdentifier;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.TopologyIdentifier;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.LinkstateRoute;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.Attributes1;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.ObjectType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.LinkCase;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.NodeCase;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.PrefixCase;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.node.identifier.CRouterIdentifier;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.node.identifier.c.router.identifier.isis.node._case.IsisNode;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonode;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributes;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.route.Attributes;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IsoPseudonodeId;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IsoSystemId;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.link.attributes.IsisLinkAttributesBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.node.attributes.IsisNodeAttributesBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.node.attributes.isis.node.attributes.IsoBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.ted.rev131021.ted.link.attributes.UnreservedBandwidth;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.ted.rev131021.ted.link.attributes.UnreservedBandwidthBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.ted.rev131021.ted.link.attributes.UnreservedBandwidthKey;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Link1;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Link1Builder;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1Builder;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.link.attributes.IgpLinkAttributesBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributesBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.PrefixKey;
  58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.Prefix1;
  59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.Prefix1Builder;
  60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.link.attributes.OspfLinkAttributesBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.node.attributes.OspfNodeAttributesBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.prefix.attributes.OspfPrefixAttributesBuilder;
  63 import org.opendaylight.yangtools.yang.binding.DataObject;
  64 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  65 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
  66
  67 public final class LinkstateTopologyBuilder extends AbstractTopologyBuilder<LinkstateRoute> {
  68         public LinkstateTopologyBuilder(final DataProviderService dataProvider, final LocRibReference locRibReference, final TopologyId topologyId) {
  69                 super(dataProvider, locRibReference, topologyId, LinkstateRoute.class);
  70         }
  71
  72         private LinkId buildLinkId(final UriBuilder base, final LinkCase link) {
  73                 return new LinkId(new UriBuilder(base, "link").add(link).toString());
  74         }
  75
  76         private NodeId buildNodeId(final UriBuilder base, final NodeIdentifier node) {
  77                 return new NodeId(new UriBuilder(base, "node").add("", node).toString());
  78         }
  79
  80         private InstanceIdentifier<?> buildLinkIdentifier(final UriBuilder base, final LinkCase l) {
  81                 return InstanceIdentifier.builder(getInstanceIdentifier()).child(
  82                                 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link.class,
  83                                 new LinkKey(buildLinkId(base, l))).toInstance();
  84         }
  85
  86         private static Float bandwidthToFloat(final Bandwidth bandwidth) {
  87                 return ByteBuffer.wrap(bandwidth.getValue()).getFloat();
  88         }
  89
  90         private static BigDecimal bandwidthToBigDecimal(final Bandwidth bandwidth) {
  91                 return BigDecimal.valueOf(bandwidthToFloat(bandwidth));
  92         }
  93
  94         private static List<UnreservedBandwidth> unreservedBandwidthList(
  95                         final List<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.UnreservedBandwidth> input) {
  96                 final List<UnreservedBandwidth> ret = new ArrayList<>(input.size());
  97
  98                 for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.UnreservedBandwidth i : input) {
  99                         ret.add(new UnreservedBandwidthBuilder().setBandwidth(bandwidthToBigDecimal(i.getBandwidth())).setKey(
 100                                         new UnreservedBandwidthKey(i.getPriority())).build());
 101                 }
 102
 103                 return ret;
 104         }
 105
 106         private org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpLinkAttributes1 isisLinkAttributes(
 107                         final TopologyIdentifier topologyIdentifier, final LinkAttributes la) {
 108                 final org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.link.attributes.isis.link.attributes.TedBuilder tb = new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.link.attributes.isis.link.attributes.TedBuilder();
 109
 110                 tb.setColor(la.getAdminGroup().getValue());
 111                 tb.setTeDefaultMetric(la.getTeMetric().getValue());
 112                 tb.setUnreservedBandwidth(unreservedBandwidthList(la.getUnreservedBandwidth()));
 113                 tb.setMaxLinkBandwidth(bandwidthToBigDecimal(la.getMaxLinkBandwidth()));
 114                 tb.setMaxResvLinkBandwidth(bandwidthToBigDecimal(la.getMaxReservableBandwidth()));
 115
 116                 return new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpLinkAttributes1Builder().setIsisLinkAttributes(
 117                                 new IsisLinkAttributesBuilder().setMultiTopologyId(topologyIdentifier.getValue().shortValue()).setTed(tb.build()).build()).build();
 118         }
 119
 120         private org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpLinkAttributes1 ospfLinkAttributes(
 121                         final TopologyIdentifier topologyIdentifier, final LinkAttributes la) {
 122                 final org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.link.attributes.ospf.link.attributes.TedBuilder tb = new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.link.attributes.ospf.link.attributes.TedBuilder();
 123
 124                 tb.setColor(la.getAdminGroup().getValue());
 125                 tb.setTeDefaultMetric(la.getTeMetric().getValue());
 126                 tb.setUnreservedBandwidth(unreservedBandwidthList(la.getUnreservedBandwidth()));
 127                 tb.setMaxLinkBandwidth(bandwidthToBigDecimal(la.getMaxLinkBandwidth()));
 128                 tb.setMaxResvLinkBandwidth(bandwidthToBigDecimal(la.getMaxReservableBandwidth()));
 129
 130                 return new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpLinkAttributes1Builder().setOspfLinkAttributes(
 131                                 new OspfLinkAttributesBuilder().setMultiTopologyId(topologyIdentifier.getValue().shortValue()).setTed(tb.build()).build()).build();
 132         }
 133
 134         private void createLink(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base, final LinkstateRoute value,
 135                         final LinkCase l, final Attributes attributes) {
 136                 final LinkAttributes la = (LinkAttributes) attributes.getAugmentation(Attributes1.class).getAttributeType();
 137
 138                 final IgpLinkAttributesBuilder ilab = new IgpLinkAttributesBuilder();
 139                 ilab.setMetric(la.getMetric().getValue());
 140                 ilab.setName(la.getLinkName());
 141
 142                 switch (value.getProtocolId()) {
 143                 case Direct:
 144                 case Static:
 145                 case Unknown:
 146                         break;
 147                 case IsisLevel1:
 148                 case IsisLevel2:
 149                         ilab.addAugmentation(
 150                                         org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpLinkAttributes1.class,
 151                                         isisLinkAttributes(l.getLinkDescriptors().getMultiTopologyId(), la));
 152                         break;
 153                 case Ospf:
 154                         ilab.addAugmentation(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpLinkAttributes1.class,
 155                                         ospfLinkAttributes(l.getLinkDescriptors().getMultiTopologyId(), la));
 156                         break;
 157                 }
 158
 159                 final LinkBuilder lb = new LinkBuilder();
 160                 lb.setLinkId(buildLinkId(base, l));
 161                 lb.addAugmentation(Link1.class, new Link1Builder().setIgpLinkAttributes(ilab.build()).build());
 162
 163                 // FIXME: figure this out
 164                 lb.setSource(null);
 165                 lb.setDestination(null);
 166
 167                 trans.putOperationalData(buildLinkIdentifier(base, l), lb.build());
 168         }
 169
 170         private void removeLink(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base, final LinkCase l) {
 171                 trans.removeOperationalData(buildLinkIdentifier(base, l));
 172         }
 173
 174         private InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node> nodeIdentifierBuilder(
 175                         final UriBuilder base, final NodeIdentifier node) {
 176                 return InstanceIdentifier.builder(getInstanceIdentifier()).child(
 177                                 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node.class,
 178                                 new NodeKey(buildNodeId(base, node)));
 179         }
 180
 181         private org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpNodeAttributes1 isisNodeAttributes(
 182                         final NodeIdentifier node, final NodeAttributes na) {
 183                 final org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.node.attributes.isis.node.attributes.TedBuilder tb = new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.isis.node.attributes.isis.node.attributes.TedBuilder();
 184                 if (na.getIpv4RouterId() != null) {
 185                         tb.setTeRouterIdIpv4(na.getIpv4RouterId());
 186                 }
 187                 if (na.getIpv6RouterId() != null) {
 188                         tb.setTeRouterIdIpv6(na.getIpv6RouterId());
 189                 }
 190
 191                 final IsisNodeAttributesBuilder ab = new IsisNodeAttributesBuilder();
 192                 final CRouterIdentifier ri = node.getCRouterIdentifier();
 193
 194                 if (ri instanceof IsisPseudonode) {
 195                         final IsisPseudonode pn = (IsisPseudonode) ri;
 196                         ab.setIso(new IsoBuilder().setIsoPseudonodeId(new IsoPseudonodeId(pn.toString())).build());
 197                 } else if (ri instanceof IsisNode) {
 198                         final IsisNode in = (IsisNode) ri;
 199                         ab.setIso(new IsoBuilder().setIsoSystemId(new IsoSystemId(in.getIsoSystemId().toString())).build());
 200                 }
 201
 202                 ab.setTed(tb.build());
 203
 204                 return new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpNodeAttributes1Builder().setIsisNodeAttributes(
 205                                 ab.build()).build();
 206         }
 207
 208         private org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpNodeAttributes1 ospfNodeAttributes(
 209                         final NodeAttributes na) {
 210                 final org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.node.attributes.ospf.node.attributes.TedBuilder tb = new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.ospf.node.attributes.ospf.node.attributes.TedBuilder();
 211
 212                 final OspfNodeAttributesBuilder ab = new OspfNodeAttributesBuilder();
 213
 214                 ab.setTed(tb.build());
 215
 216                 return new org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpNodeAttributes1Builder().setOspfNodeAttributes(
 217                                 ab.build()).build();
 218         }
 219
 220         private void createNode(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base, final LinkstateRoute value,
 221                         final NodeCase n, final Attributes attributes) {
 222                 final NodeAttributes na = (NodeAttributes) attributes.getAugmentation(Attributes1.class).getAttributeType();
 223
 224                 final List<IpAddress> ids = new ArrayList<>();
 225                 if (na.getIpv4RouterId() != null) {
 226                         ids.add(new IpAddress(na.getIpv4RouterId()));
 227                 }
 228                 if (na.getIpv6RouterId() != null) {
 229                         ids.add(new IpAddress(na.getIpv6RouterId()));
 230                 }
 231
 232                 final IgpNodeAttributesBuilder inab = new IgpNodeAttributesBuilder();
 233                 if (!ids.isEmpty()) {
 234                         inab.setRouterId(ids);
 235                 }
 236
 237                 switch (value.getProtocolId()) {
 238                 case Direct:
 239                 case Static:
 240                 case Unknown:
 241                         break;
 242                 case IsisLevel1:
 243                 case IsisLevel2:
 244                         inab.addAugmentation(
 245                                         org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.isis.topology.rev131021.IgpNodeAttributes1.class,
 246                                         isisNodeAttributes(n.getNodeDescriptors(), na));
 247                         break;
 248                 case Ospf:
 249                         inab.addAugmentation(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.ospf.topology.rev131021.IgpNodeAttributes1.class,
 250                                         ospfNodeAttributes(na));
 251                         break;
 252                 }
 253
 254                 final NodeBuilder nb = new NodeBuilder();
 255                 nb.setNodeId(buildNodeId(base, n.getNodeDescriptors()));
 256                 nb.addAugmentation(Node1.class, new Node1Builder().setIgpNodeAttributes(inab.build()).build());
 257
 258                 trans.putOperationalData(nodeIdentifierBuilder(base, n.getNodeDescriptors()).toInstance(), nb.build());
 259         }
 260
 261         private void removeNode(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base, final NodeCase n) {
 262                 trans.removeOperationalData(nodeIdentifierBuilder(base, n.getNodeDescriptors()).toInstance());
 263         }
 264
 265         private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.Prefix> prefixIdentifier(
 266                         final UriBuilder base, final PrefixCase p) {
 267                 return nodeIdentifierBuilder(base, p.getAdvertisingNodeDescriptors()).augmentation(Node1.class).child(
 268                                 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.IgpNodeAttributes.class).child(
 269                                                 org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.node.attributes.igp.node.attributes.Prefix.class,
 270                                                 new PrefixKey(p.getIpReachabilityInformation())).toInstance();
 271         }
 272
 273         private void createPrefix(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base,
 274                         final LinkstateRoute value, final PrefixCase p, final Attributes attributes) {
 275                 final PrefixAttributes pa = (PrefixAttributes) attributes.getAugmentation(Attributes1.class).getAttributeType();
 276
 277                 final PrefixBuilder pb = new PrefixBuilder();
 278                 pb.setPrefix(p.getIpReachabilityInformation());
 279                 pb.setMetric(pa.getPrefixMetric().getValue());
 280
 281                 switch (value.getProtocolId()) {
 282                 case Direct:
 283                 case IsisLevel1:
 284                 case IsisLevel2:
 285                 case Static:
 286                 case Unknown:
 287                         break;
 288                 case Ospf:
 289                         pb.addAugmentation(
 290                                         Prefix1.class,
 291                                         new Prefix1Builder().setOspfPrefixAttributes(
 292                                                         new OspfPrefixAttributesBuilder().setForwardingAddress(pa.getOspfForwardingAddress()).build()).build());
 293                         break;
 294                 }
 295
 296                 trans.putOperationalData(prefixIdentifier(base, p), pb.build());
 297         }
 298
 299         private void removePrefix(final DataModification<InstanceIdentifier<?>, DataObject> trans, final UriBuilder base, final PrefixCase p) {
 300                 trans.removeOperationalData(prefixIdentifier(base, p));
 301         }
 302
 303         @Override
 304         protected void createObject(final DataModification<InstanceIdentifier<?>, DataObject> trans,
 305                         final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
 306                 final UriBuilder base = new UriBuilder(value);
 307
 308                 final ObjectType t = value.getObjectType();
 309                 if (t instanceof LinkCase) {
 310                         createLink(trans, base, value, (LinkCase) t, value.getAttributes());
 311                 } else if (t instanceof NodeCase) {
 312                         createNode(trans, base, value, (NodeCase) t, value.getAttributes());
 313                 } else if (t instanceof PrefixCase) {
 314                         createPrefix(trans, base, value, (PrefixCase) t, value.getAttributes());
 315                 } else {
 316                         throw new IllegalStateException("Unhandled object class " + t.getImplementedInterface());
 317                 }
 318         }
 319
 320         @Override
 321         protected void removeObject(final DataModification<InstanceIdentifier<?>, DataObject> trans,
 322                         final InstanceIdentifier<LinkstateRoute> id, final LinkstateRoute value) {
 323                 final UriBuilder base = new UriBuilder(value);
 324
 325                 final ObjectType t = value.getObjectType();
 326                 if (t instanceof LinkCase) {
 327                         removeLink(trans, base, (LinkCase) t);
 328                 } else if (t instanceof NodeCase) {
 329                         removeNode(trans, base, (NodeCase) t);
 330                 } else if (t instanceof PrefixCase) {
 331                         removePrefix(trans, base, (PrefixCase) t);
 332                 } else {
 333                         throw new IllegalStateException("Unhandled object class " + t.getImplementedInterface());
 334                 }
 335         }
 336 }