Java tutorial
//package com.java2s; /* 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. */ import java.nio.ByteBuffer; public class Main { static ByteBuffer createMsg(int state, long leader, long zxid, long epoch) { byte requestBytes[] = new byte[28]; ByteBuffer requestBuffer = ByteBuffer.wrap(requestBytes); /* * Building notification packet to send */ requestBuffer.clear(); requestBuffer.putInt(state); requestBuffer.putLong(leader); requestBuffer.putLong(zxid); requestBuffer.putLong(epoch); return requestBuffer; } }