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package com.yanzuoguang.util.thread;
import com.yanzuoguang.util.exception.ExceptionHelper;
import com.yanzuoguang.util.extend.ConfigBase;
import com.yanzuoguang.util.log.Log;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
/**
* 等待某个任务完成后才能继续往下执行
* @author 颜佐光
*/
public class ThreadWait {
/**
* 需要判断的任务
*/
private final ThreadWaitExecute execute;
/**
* 取消定时任务
*/
private Timer timer;
/**
* 时间
*/
private volatile long time;
/**
* 构造函数
*
* @param execute 需要判断的对象
* @description 构造函数
*/
public ThreadWait(ThreadWaitExecute execute) {
this.execute = execute;
}
/**
* 等待任务完成
*
* @return void
* @description
*/
public synchronized void waitFinally() {
if (this.execute == null) {
return;
}
if (!this.execute.isFinally()) {
this.activePrint();
try {
this.wait();
} catch (InterruptedException e) {
ExceptionHelper.PrintError(ThreadWait.class,e);
}
this.stopPrint();
}
if (ConfigBase.PRINT_THREAD) {
Log.info(ThreadWait.class, "客户端结束时间");
}
}
/**
* 当完成一任务时，用该函数进行通知,用于进行下一次判断
*
* @return void
* @description
*/
public void nexted() {
this.time = System.currentTimeMillis();
}
/**
* 结束运行
*/
public synchronized void finish() {
if (this.execute.isFinally()) {
this.notify();
if (ConfigBase.PRINT_THREAD) {
Log.info(ThreadWait.class, "客户端结束时间");
}
}
}
/**
* 启动定时任务，用于定时打印状态
*
* @param
* @return void
* @description
*/
private synchronized void activePrint() {
if (this.execute == null) {
return;
}
this.stopPrint();
if (!this.execute.isFinally()) {
this.time = System.currentTimeMillis();
this.timer = new Timer();
this.timer.schedule(new TimerTask() {
@Override
public void run() {
Date now = new Date();
if (now.getTime() - time > execute.printTimeout()) {
execute.printStatus();
}
}
}, this.execute.printTimeout());
}
}
/**
* 停止打印状态
*
* @param
* @return void
* @description
*/
private synchronized void stopPrint() {
if (this.timer != null) {
this.timer.cancel();
}
this.timer = null;
}
}