| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.flink.runtime.jobgraph; |
| |
| import org.apache.flink.runtime.topology.VertexID; |
| import org.apache.flink.util.AbstractID; |
| import org.apache.flink.util.StringUtils; |
| |
| import org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf; |
| |
| /** A class for statistically unique job vertex IDs. */ |
| public class JobVertexID extends AbstractID implements VertexID { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public JobVertexID() { |
| super(); |
| } |
| |
| public JobVertexID(byte[] bytes) { |
| super(bytes); |
| } |
| |
| public JobVertexID(long lowerPart, long upperPart) { |
| super(lowerPart, upperPart); |
| } |
| |
| public static JobVertexID fromHexString(String hexString) { |
| return new JobVertexID(StringUtils.hexStringToByte(hexString)); |
| } |
| |
| public void writeTo(ByteBuf buf) { |
| buf.writeLong(lowerPart); |
| buf.writeLong(upperPart); |
| } |
| |
| public static JobVertexID fromByteBuf(ByteBuf buf) { |
| final long lower = buf.readLong(); |
| final long upper = buf.readLong(); |
| return new JobVertexID(lower, upper); |
| } |
| } |