link.jfire.job.trigger.impl.SimpleIntervalTrigger Maven / Gradle / Ivy

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The job is a very lightweight framework. The default support cycle task, timing task, automatic cycle extended task. And it can automatically by the code in the task of decision tasks to continue or not. Users only need to implement a job interfaces

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package link.jfire.job.trigger.impl;

import link.jfire.job.Job;

/**
 * 简单的间隔重复任务，可以指定任务重复次数
 * 
 * @author 林斌（[email protected]）
 * 
 */
public class SimpleIntervalTrigger extends AbstractTrigger
{
    private long intervamillilSeconds;
    private int  remainTimes = -1;
    
    /**
     * 创造一个间隔时间触发的任务
     * 
     * @param intervalSeconds
     */
    public SimpleIntervalTrigger(Job job, long intervamillilSeconds)
    {
        super(job);
        nextTriggerTime = System.currentTimeMillis();
        this.intervamillilSeconds = intervamillilSeconds;
    }
    
    /**
     * 创造一个间隔时间触发的任务，该任务只能执行指定的次数
     * 
     * @param intervalSeconds
     * @param remainTimes
     */
    public SimpleIntervalTrigger(Job job, long intervamillilSeconds, int remainTimes)
    {
        super(job);
        this.remainTimes = remainTimes;
        this.intervamillilSeconds = intervamillilSeconds;
        nextTriggerTime = System.currentTimeMillis();
    }
    
    @Override
    public void calNextTriggerTime()
    {
        if (remainTimes > 0)
        {
            remainTimes--;
        }
        else if (remainTimes == 0)
        {
            removed = true;
            return;
        }
        nextTriggerTime = System.currentTimeMillis() + intervamillilSeconds;
    }
    
}