| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.evpnrouteservice.store; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.evpnrouteservice.EvpnPrefix; |
| import org.onosproject.evpnrouteservice.EvpnRoute; |
| import org.onosproject.evpnrouteservice.EvpnRouteSet; |
| import org.onosproject.evpnrouteservice.EvpnRouteTableId; |
| import org.onosproject.evpnrouteservice.EvpnTable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| /** |
| * Route table that contains no routes. |
| */ |
| public final class EmptyEvpnRouteTable implements EvpnTable { |
| |
| private final EvpnRouteTableId id = new EvpnRouteTableId("empty"); |
| |
| private static final EmptyEvpnRouteTable INSTANCE = new EmptyEvpnRouteTable(); |
| |
| /** |
| * Returns the instance of the empty route table. |
| * |
| * @return empty route table |
| */ |
| public static EmptyEvpnRouteTable instance() { |
| return INSTANCE; |
| } |
| |
| private EmptyEvpnRouteTable() { |
| } |
| |
| @Override |
| public void update(EvpnRoute route) { |
| |
| } |
| |
| @Override |
| public void remove(EvpnRoute route) { |
| |
| } |
| |
| @Override |
| public EvpnRouteTableId id() { |
| return id; |
| } |
| |
| @Override |
| public Collection<EvpnRouteSet> getRoutes() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public EvpnRouteSet getRoutes(EvpnPrefix prefix) { |
| return null; |
| } |
| |
| @Override |
| public Collection<EvpnRoute> getRoutesForNextHop(IpAddress nextHop) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public void shutdown() { |
| |
| } |
| |
| @Override |
| public void destroy() { |
| |
| } |
| } |