bgp/extensions/l3vpn/src/main/java/org/opendaylight/protocol/bgp/l3vpn/unicast/ipv4/VpnIpv4RIBSupport.java

   1 /*
   2  * Copyright (c) 2016 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.l3vpn.unicast.ipv4;
   9
  10 import java.util.Collections;
  11 import java.util.List;
  12 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  13 import org.opendaylight.protocol.bgp.l3vpn.unicast.AbstractVpnRIBSupport;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.bgp.rib.rib.loc.rib.tables.routes.VpnIpv4RoutesCase;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.bgp.rib.rib.loc.rib.tables.routes.VpnIpv4RoutesCaseBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.destination.VpnIpv4Destination;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.destination.VpnIpv4DestinationBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.routes.VpnIpv4Routes;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.routes.VpnIpv4RoutesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestination;
  25
  26 public final class VpnIpv4RIBSupport extends AbstractVpnRIBSupport<VpnIpv4RoutesCase, VpnIpv4Routes> {
  27     private static final VpnIpv4Routes EMPTY_CONTAINER
  28             = new VpnIpv4RoutesBuilder().setVpnRoute(Collections.emptyList()).build();
  29     private static final VpnIpv4RoutesCase EMPTY_CASE
  30             = new VpnIpv4RoutesCaseBuilder().setVpnIpv4Routes(EMPTY_CONTAINER).build();
  31     private static VpnIpv4RIBSupport SINGLETON;
  32
  33     /**
  34      * Default constructor. Requires the QName of the container augmented under the routes choice
  35      * node in instantiations of the rib grouping. It is assumed that this container is defined by
  36      * the same model which populates it with route grouping instantiation, and by extension with
  37      * the route attributes container.
  38      */
  39     private VpnIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  40         super(mappingService,
  41                 VpnIpv4RoutesCase.class,
  42                 VpnIpv4Routes.class,
  43                 Ipv4AddressFamily.class,
  44                 VpnIpv4Destination.QNAME);
  45     }
  46
  47     public static synchronized VpnIpv4RIBSupport getInstance(final BindingNormalizedNodeSerializer mappingService) {
  48         if (SINGLETON == null) {
  49             SINGLETON = new VpnIpv4RIBSupport(mappingService);
  50         }
  51         return SINGLETON;
  52     }
  53
  54     @Override
  55     protected IpPrefix createPrefix(final String prefix) {
  56         return new IpPrefix(new Ipv4Prefix(prefix));
  57     }
  58
  59     @Override
  60     protected DestinationType getAdvertisedDestinationType(List<VpnDestination> dests) {
  61         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
  62                 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationVpnIpv4CaseBuilder()
  63                 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(dests).build()).build();
  64     }
  65
  66     @Override
  67     protected DestinationType getWithdrawnDestinationType(List<VpnDestination> dests) {
  68         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
  69                 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationVpnIpv4CaseBuilder()
  70                 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(dests).build()).build();
  71     }
  72
  73     @Override
  74     public VpnIpv4RoutesCase emptyRoutesCase() {
  75         return EMPTY_CASE;
  76     }
  77
  78     @Override
  79     public VpnIpv4Routes emptyRoutesContainer() {
  80         return EMPTY_CONTAINER;
  81     }
  82 }