| /* |
| * Copyright 2016-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.ui.model.topo; |
| |
| import org.onosproject.net.region.RegionId; |
| |
| |
| /** |
| * Designates a link between two region nodes. |
| */ |
| public class UiRegionLink extends UiLink { |
| |
| private static final String E_NOT_REGION_ID = |
| "UI link identifier not region to region"; |
| |
| // private (synthetic) region - region link |
| private final RegionId regionA; |
| private final RegionId regionB; |
| |
| /** |
| * Creates a region to region UI link. Note that it is expected that the |
| * link identifier is one that has region IDs as source and destination. |
| * |
| * @param topology parent topology |
| * @param id canonicalized link ID |
| * @throws IllegalArgumentException if the link ID is not region-region |
| */ |
| public UiRegionLink(UiTopology topology, UiLinkId id) { |
| super(topology, id); |
| regionA = id.regionA(); |
| regionB = id.regionB(); |
| if (regionA == null || regionB == null) { |
| throw new IllegalArgumentException(E_NOT_REGION_ID); |
| } |
| } |
| |
| @Override |
| public String endPointA() { |
| return regionA.id(); |
| } |
| |
| @Override |
| public String endPointB() { |
| return regionB.id(); |
| } |
| |
| // no ports for end-points A and B |
| |
| /** |
| * Returns the identity of the first region. |
| * |
| * @return first region ID |
| */ |
| public RegionId regionA() { |
| return regionA; |
| } |
| |
| /** |
| * Returns the identity of the second region. |
| * |
| * @return second region ID |
| */ |
| public RegionId regionB() { |
| return regionB; |
| } |
| } |