| /* |
| * 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.net.pi.runtime; |
| |
| import com.google.common.annotations.Beta; |
| import org.onlab.util.Identifier; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Identifier of a metadata for a packet I/O operation in a protocol-independent pipeline. |
| */ |
| @Beta |
| public final class PiPacketMetadataId extends Identifier<String> { |
| |
| /** |
| * Creates a packet metadata identifier. |
| * |
| * @param name packet metadata name |
| */ |
| private PiPacketMetadataId(String name) { |
| super(name); |
| } |
| |
| /** |
| * Returns the name of the packet metadata. |
| * |
| * @return packet metadata name |
| */ |
| public String name() { |
| return this.identifier; |
| } |
| |
| /** |
| * Returns a identifier with the given name. |
| * |
| * @param name packet metadata name |
| * @return packet metadata identifier |
| */ |
| public static PiPacketMetadataId of(String name) { |
| checkNotNull(name); |
| checkArgument(!name.isEmpty(), "Name can't be empty"); |
| return new PiPacketMetadataId(name); |
| } |
| } |