001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.oozie.util; 020 021import java.util.concurrent.ThreadFactory; 022import java.util.concurrent.atomic.AtomicInteger; 023 024public class NamedThreadFactory implements ThreadFactory { 025 private final AtomicInteger counter = new AtomicInteger(); 026 private final String threadPrefix; 027 028 public NamedThreadFactory(String threadPrefix) { 029 this.threadPrefix = ParamChecker.notEmpty(threadPrefix, "threadPrefix"); 030 } 031 032 @Override 033 public Thread newThread(Runnable r) { 034 Thread t = new Thread(r); 035 t.setName(threadPrefix + "-" + counter.getAndIncrement()); 036 return t; 037 } 038}