Java tutorial
/* * 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 io.netty.buffer.ByteBuf; import org.apache.flink.util.AbstractID; public class IntermediateResultPartitionID extends AbstractID { private static final long serialVersionUID = 1L; /** * Creates an new random intermediate result partition ID. */ public IntermediateResultPartitionID() { super(); } public IntermediateResultPartitionID(long lowerPart, long upperPart) { super(lowerPart, upperPart); } public void writeTo(ByteBuf buf) { buf.writeLong(this.lowerPart); buf.writeLong(this.upperPart); } public static IntermediateResultPartitionID fromByteBuf(ByteBuf buf) { long lower = buf.readLong(); long upper = buf.readLong(); return new IntermediateResultPartitionID(lower, upper); } }