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62 lines
2.1 KiB
62 lines
2.1 KiB
3 years ago
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package com.ynxbd.common.helper.timer;
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import lombok.extern.slf4j.Slf4j;
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import java.util.Timer;
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import java.util.TimerTask;
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@Slf4j
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public abstract class TimerManager extends TimerTask {
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public abstract static class TimerMethod {
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public abstract void run() throws Exception;
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}
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/**
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* @param timerMethod 执行器
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* @param second 间隔（s）
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*/
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public static synchronized Timer setInterval(TimerMethod timerMethod, int second) {
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try {
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if (second == 0) {
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throw new Exception("周期间隔不能为0s");
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}
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long periodSecond = second * 1000L;
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Timer timer = new Timer();
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timer.schedule(new TimerManager() {
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@Override
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public synchronized void run() {
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try {
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long begTime = System.currentTimeMillis(); // 开始时间
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timerMethod.run();
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long endTime = System.currentTimeMillis(); // 结束时间
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long runTime = (endTime - begTime); // 耗时
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if (runTime > periodSecond) {
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Thread.sleep(periodSecond);
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} else if (runTime > (periodSecond / 2)) {
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Thread.sleep((periodSecond / 2));
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}
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log.info("[定时器]执行耗时：" + runTime + "ms");
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} catch (Exception e) {
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log.error(e.getMessage());
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e.printStackTrace();
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try {
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Thread.sleep(periodSecond);
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} catch (Exception exception) {
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exception.printStackTrace();
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}
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}
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}
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}, 0, periodSecond);
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return timer;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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public synchronized static void closeTimer(Timer timer) {
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timer.cancel();
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}
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}
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