bgp/extensions/labeled-unicast/src/main/java/org/opendaylight/protocol/bgp/labeled/unicast/LabeledUnicastIpv4RIBSupport.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.protocol.bgp.labeled.unicast;
   9
  10 import static com.google.common.base.Verify.verify;
  11
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.Map;
  15 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.bgp.rib.rib.loc.rib.tables.routes.LabeledUnicastRoutesCase;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.routes.LabeledUnicastRoutes;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.routes.LabeledUnicastRoutesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.routes.list.LabeledUnicastRoute;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.routes.list.LabeledUnicastRouteKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLabeledUnicastCaseBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.labeled.unicast._case.DestinationLabeledUnicast;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.labeled.unicast._case.DestinationLabeledUnicastBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  31 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  33
  34 public final class LabeledUnicastIpv4RIBSupport
  35         extends AbstractLabeledUnicastRIBSupport<LabeledUnicastRoutesCase, LabeledUnicastRoutes> {
  36     private static final LabeledUnicastRoutes EMPTY_CONTAINER
  37             = new LabeledUnicastRoutesBuilder().setLabeledUnicastRoute(Collections.emptyList()).build();
  38     private static LabeledUnicastIpv4RIBSupport SINGLETON;
  39
  40     private LabeledUnicastIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  41         super(mappingService,
  42                 LabeledUnicastRoutesCase.class,
  43                 LabeledUnicastRoutes.class,
  44                 Ipv4AddressFamily.class,
  45                 DestinationLabeledUnicast.QNAME);
  46     }
  47
  48     static synchronized LabeledUnicastIpv4RIBSupport getInstance(final BindingNormalizedNodeSerializer mappingService) {
  49         if (SINGLETON == null) {
  50             SINGLETON = new LabeledUnicastIpv4RIBSupport(mappingService);
  51         }
  52         return SINGLETON;
  53     }
  54
  55     @Override
  56     protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
  57         return new DestinationLabeledUnicastCaseBuilder().setDestinationLabeledUnicast(
  58                 new DestinationLabeledUnicastBuilder()
  59                         .setCLabeledUnicastDestination(extractRoutes(routes)).build()).build();
  60     }
  61
  62     @Override
  63     protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
  64         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329
  65                 .update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type
  66                 .DestinationLabeledUnicastCaseBuilder().setDestinationLabeledUnicast(new org.opendaylight.yang.gen.v1
  67                 .urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.update.attributes.mp.unreach.nlri
  68                 .withdrawn.routes.destination.type.destination.labeled.unicast._case.DestinationLabeledUnicastBuilder()
  69                 .setCLabeledUnicastDestination(extractRoutes(routes)).build()).build();
  70     }
  71
  72     @Override
  73     public IpPrefix extractPrefix(
  74             final DataContainerNode<? extends PathArgument> route,
  75             final NodeIdentifier prefixTypeNid) {
  76         if (route.getChild(prefixTypeNid).isPresent()) {
  77             final String prefixType = (String) route.getChild(prefixTypeNid).get().getValue();
  78             return new IpPrefix(new Ipv4Prefix(prefixType));
  79         }
  80         return null;
  81     }
  82
  83     @Override
  84     public LabeledUnicastRoutes emptyRoutesContainer() {
  85         return EMPTY_CONTAINER;
  86     }
  87
  88     @Override
  89     public Map<LabeledUnicastRouteKey, LabeledUnicastRoute> extractAdjRibInRoutes(final Routes routes) {
  90         verify(routes instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast
  91             .rev180329.bgp.rib.rib.peer.adj.rib.in.tables.routes.LabeledUnicastRoutesCase, "Unrecognized routes %s",
  92             routes);
  93         return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329
  94                 .bgp.rib.rib.peer.adj.rib.in.tables.routes.LabeledUnicastRoutesCase) routes).getLabeledUnicastRoutes()
  95                 .nonnullLabeledUnicastRoute();
  96     }
  97 }