| /* |
| * 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.grpc.api; |
| |
| import com.google.common.annotations.Beta; |
| import org.onlab.util.Identifier; |
| import org.onosproject.net.DeviceId; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * gRPC managed channel identifier, unique in the scope of a gRPC controller |
| * instance. |
| */ |
| @Beta |
| public final class GrpcChannelId extends Identifier<String> { |
| |
| private final DeviceId deviceId; |
| private final String channelName; |
| |
| private GrpcChannelId(DeviceId deviceId, String channelName) { |
| super(deviceId.toString() + ":" + channelName); |
| checkNotNull(deviceId, "device ID must not be null"); |
| checkNotNull(channelName, "channel name must not be null"); |
| checkArgument(!channelName.isEmpty(), "channel name must not be empty"); |
| this.deviceId = deviceId; |
| this.channelName = channelName; |
| } |
| |
| /** |
| * Returns the device part of this channel ID. |
| * |
| * @return device ID |
| */ |
| public DeviceId deviceId() { |
| return deviceId; |
| } |
| |
| /** |
| * Returns the channel name part of this channel ID. |
| * |
| * @return channel name |
| */ |
| public String channelName() { |
| return channelName; |
| } |
| |
| /** |
| * Instantiates a new channel ID for the given device ID and arbitrary |
| * channel name (e.g. the name of the gRPC service). |
| * |
| * @param deviceId device ID |
| * @param channelName name of the channel |
| * @return channel ID |
| */ |
| public static GrpcChannelId of(DeviceId deviceId, String channelName) { |
| return new GrpcChannelId(deviceId, channelName); |
| } |
| } |