| /* |
| * 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.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.region.RegionId; |
| |
| |
| /** |
| * Designates a link between a region node and a device. |
| */ |
| public class UiRegionDeviceLink extends UiLink { |
| |
| private static final String E_NOT_REGION_DEVICE_ID = |
| "UI link identifier not region to device"; |
| |
| // private (synthetic) region-device link |
| private final RegionId region; |
| private final DeviceId device; |
| private final PortNumber port; |
| |
| /** |
| * Creates a region to device UI link. Note that it is expected that the |
| * link identifier is one that has a region ID at one end, and a device |
| * ID at the other |
| * |
| * @param topology parent topology |
| * @param id canonicalized link identifier |
| * @throws IllegalArgumentException if the link ID is not region-region |
| */ |
| public UiRegionDeviceLink(UiTopology topology, UiLinkId id) { |
| super(topology, id); |
| region = id.regionA(); |
| device = (DeviceId) id.elementB(); |
| port = id.portB(); |
| if (region == null || device == null || port == null) { |
| throw new IllegalArgumentException(E_NOT_REGION_DEVICE_ID); |
| } |
| } |
| |
| @Override |
| public String endPointA() { |
| return region.id(); |
| } |
| |
| @Override |
| public String endPointB() { |
| return device + UiLinkId.ID_PORT_DELIMITER + port; |
| } |
| |
| // no port for end-point A |
| |
| @Override |
| public String endPortB() { |
| return port.toString(); |
| } |
| |
| /** |
| * Returns the identity of the region. |
| * |
| * @return region ID |
| */ |
| public RegionId region() { |
| return region; |
| } |
| |
| /** |
| * Returns the identity of the device. |
| * |
| * @return device ID |
| */ |
| public DeviceId device() { |
| return device; |
| } |
| |
| /** |
| * Returns the identity of the device port. |
| * |
| * @return device port number |
| */ |
| public PortNumber port() { |
| return port; |
| } |
| } |