实用线程例子_cyclonedds线程-优快云博客

本文链接：https://blog.youkuaiyun.com/lxgood8/article/details/1535143

本文介绍了一个用于从旧CMS系统定期迁移数据到新系统的Java线程实现方案。该方案通过一个可启动和停止的后台线程周期性地执行数据迁移任务，并记录操作日志。文中提供的代码示例展示了如何控制线程的运行状态及异常处理。

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package com.css.dds.olddoctonewdoc;

import com.css.log.Logger;

public class TransThread implements Runnable
{
static Logger log = Logger.getLogger(TransThread.class) ;
/** 线程休眠时间间隔*/
static final long SLEEP_TIME = 5*1000 ;

boolean threadNotStopped = true; //线程停止标志位

//int i = 0 ;

Thread mainThread = null;

private static TransThread hos = null;

    public void startThread()
    {
        mainThread = new Thread(this);
        threadNotStopped = true;
        mainThread.start();
      }

      public void stopThread()
      {
        threadNotStopped = false;
        hos = null;
      }

    public void run ()
    {
        while (threadNotStopped)
        {
            try
            {
            log.info("BEGIN TRANS:") ;
                DocTrans.transCMS (2) ;
                log.info("END TRANS!") ;

            }
            catch (Throwable _t)
            {
            System.out.println("出错了");
            log.error(_t) ;
            }

            try
            {
            Thread.sleep (SLEEP_TIME) ;
            }
            catch (Throwable _t)
            {
            log.error(_t) ;
            }
         }
    }

    public static TransThread getInstance()
    {
        return hos ;
      }

    public static void startScan ()
    {
        if (hos == null)
        {
            hos = new TransThread();
            hos.startThread () ;
        }
        log.info(new java.util.Date() + " 民族旧CMS导入程序启动");
    }

    public static void stopScan ()
    {
        if (hos != null)
        {
            hos.stopThread () ;
        }

log.info(new java.util.Date() + " 民族旧CMS导入程序关闭");
}

    public static void main (String[] args)
    {
        startScan () ;
    }

}