Daemon.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * 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.hadoop.util;
- /** A thread that has called {@link Thread#setDaemon(boolean) } with true.*/
- public class Daemon extends Thread {
- {
- setDaemon(true); // always a daemon
- }
- Runnable runnable = null;
- /** Construct a daemon thread. */
- public Daemon() {
- super();
- }
- /** Construct a daemon thread. */
- public Daemon(Runnable runnable) {
- super(runnable);
- this.runnable = runnable;
- this.setName(((Object)runnable).toString());
- }
- /** Construct a daemon thread to be part of a specified thread group. */
- public Daemon(ThreadGroup group, Runnable runnable) {
- super(group, runnable);
- this.runnable = runnable;
- this.setName(((Object)runnable).toString());
- }
- public Runnable getRunnable() {
- return runnable;
- }
- }