bgp/extensions/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/l3vpn/ipv4/FlowspecL3vpnIpv4RIBSupport.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communications 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.flowspec.l3vpn.ipv4;
   9
  10 import java.util.Collections;
  11 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  12 import org.opendaylight.protocol.bgp.flowspec.SimpleFlowspecExtensionProviderContext;
  13 import org.opendaylight.protocol.bgp.flowspec.l3vpn.AbstractFlowspecL3vpnRIBSupport;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.bgp.rib.rib.loc.rib.tables.routes.FlowspecL3vpnIpv4RoutesCase;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.bgp.rib.rib.loc.rib.tables.routes.FlowspecL3vpnIpv4RoutesCaseBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.destination.ipv4.DestinationFlowspecL3vpnIpv4;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRoute;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRouteBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRouteKey;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.ipv4.routes.FlowspecL3vpnIpv4Routes;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.l3vpn.ipv4.routes.FlowspecL3vpnIpv4RoutesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  25
  26 public final class FlowspecL3vpnIpv4RIBSupport
  27         extends AbstractFlowspecL3vpnRIBSupport<FlowspecL3vpnIpv4NlriParser,
  28         FlowspecL3vpnIpv4RoutesCase,
  29         FlowspecL3vpnIpv4Routes,
  30         FlowspecL3vpnRoute,
  31         FlowspecL3vpnRouteKey> {
  32     private static final FlowspecL3vpnIpv4Routes EMPTY_CONTAINER
  33             = new FlowspecL3vpnIpv4RoutesBuilder().setFlowspecL3vpnRoute(Collections.emptyList()).build();
  34     private static final FlowspecL3vpnIpv4RoutesCase EMPTY_CASE = new FlowspecL3vpnIpv4RoutesCaseBuilder()
  35             .setFlowspecL3vpnIpv4Routes(EMPTY_CONTAINER).build();
  36     private static FlowspecL3vpnIpv4RIBSupport SINGLETON;
  37
  38     private FlowspecL3vpnIpv4RIBSupport(
  39             final SimpleFlowspecExtensionProviderContext context,
  40             final BindingNormalizedNodeSerializer mappingService) {
  41         super(
  42                 mappingService,
  43                 FlowspecL3vpnIpv4RoutesCase.class,
  44                 FlowspecL3vpnIpv4Routes.class,
  45                 FlowspecL3vpnRoute.class,
  46                 DestinationFlowspecL3vpnIpv4.QNAME,
  47                 Ipv4AddressFamily.class,
  48                 new FlowspecL3vpnIpv4NlriParser(context
  49                         .getFlowspecTypeRegistry(SimpleFlowspecExtensionProviderContext.AFI.IPV4,
  50                                 SimpleFlowspecExtensionProviderContext.SAFI.FLOWSPEC_VPN))
  51         );
  52     }
  53
  54     public static synchronized FlowspecL3vpnIpv4RIBSupport getInstance(
  55             final SimpleFlowspecExtensionProviderContext context,
  56             final BindingNormalizedNodeSerializer mappingService) {
  57         if(SINGLETON == null){
  58             SINGLETON = new FlowspecL3vpnIpv4RIBSupport(context, mappingService);
  59         }
  60         return SINGLETON;
  61     }
  62
  63     @Override
  64     public final FlowspecL3vpnRouteKey createRouteListKey(final long pathId, final String routeKey) {
  65         return new FlowspecL3vpnRouteKey(new PathId(pathId), routeKey);
  66     }
  67
  68     @Override
  69     public FlowspecL3vpnRoute createRoute(final FlowspecL3vpnRoute route, final String routeKey,
  70             final long pathId, final Attributes attributes) {
  71         final FlowspecL3vpnRouteBuilder builder;
  72         if (route != null) {
  73             builder = new FlowspecL3vpnRouteBuilder(route);
  74         } else {
  75             builder = new FlowspecL3vpnRouteBuilder();
  76         }
  77         return builder.withKey(new FlowspecL3vpnRouteKey(new PathId(pathId), routeKey))
  78                 .setAttributes(attributes).build();
  79     }
  80
  81     @Override
  82     public FlowspecL3vpnIpv4RoutesCase emptyRoutesCase() {
  83         return EMPTY_CASE;
  84     }
  85
  86     @Override
  87     public FlowspecL3vpnIpv4Routes emptyRoutesContainer() {
  88         return EMPTY_CONTAINER;
  89     }
  90 }