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