ithreadpool.java

一个实用工具类

/*
 * Copyright (C) butor.com. All rights reserved.
 *
 * This software is published under the terms of the GNU Library General
 * Public License (GNU LGPL), a copy of which has been included with this
 * distribution in the LICENSE.txt file. 
 */


package org.butor.resourcePool.threadPoolService;

/**
 * ----------------------------------------------------------------
 * 2000jun21,deb: Initial version
 * 2001jan29,deb: + doneTask()
 *                - getNextRunnable()
 */
public interface IThreadPool {
/**
 * This method is called by ThreadPoolThread objects
 * when they are done working on a task
 *
 * @param aThread com.cjc.common.resourcesMgmt.threadPool.ThreadPoolThread
 * the thread that has finished its task
 */
void doneTask(ThreadPoolThread aThread);
/**
 * This method is called automatically by the service class
 * monitor.
 */
void isAlive();
/**
 * This method is called by the clients that want to process
 * a task.  The task is put in the f_waitingTasksQ and if
 * a thread is available in the f_waitQ or the pool has not
 * reached the maximum number of threads, the task is assigned
 * to a thread.
 *
 * @param task java.lang.Runnable The new task to process
 */
public void run(Runnable task);
/**
 * This method is used to shut down every threads
 * managed by this pool.
 *
 * @param isFast boolean Ignored for the moment
 */
void shutdown(boolean isFast);
}