org.aoju.bus.socket.origin.QuickTimer Maven / Gradle / Ivy

Go to download
/*********************************************************************************
 *                                                                               *
 * The MIT License                                                               *
 *                                                                               *
 * Copyright (c) 2015-2020 aoju.org and other contributors.                      *
 *                                                                               *
 * Permission is hereby granted, free of charge, to any person obtaining a copy  *
 * of this software and associated documentation files (the "Software"), to deal *
 * in the Software without restriction, including without limitation the rights  *
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     *
 * copies of the Software, and to permit persons to whom the Software is         *
 * furnished to do so, subject to the following conditions:                      *
 *                                                                               *
 * The above copyright notice and this permission notice shall be included in    *
 * all copies or substantial portions of the Software.                           *
 *                                                                               *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   *
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        *
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     *
 * THE SOFTWARE.                                                                 *
 ********************************************************************************/
package org.aoju.bus.socket.origin;

import java.util.Timer;
import java.util.TimerTask;

/**
 * 服务器定时任务
 *
 * @author Kimi Liu
 * @version 5.8.5
 * @since JDK 1.8+
 */
public abstract class QuickTimer extends TimerTask {

    private static Timer timer = new Timer("Quick Timer", true);

    public QuickTimer() {
        timer.schedule(this, getDelay(), getPeriod());
    }

    public static void cancelQuickTask() {
        timer.cancel();
    }

    public static Timer getTimer() {
        return timer;
    }

    /**
     * 获取定时任务的延迟启动时间
     *
     * @return 启动时间
     */
    protected long getDelay() {
        return 0;
    }

    /**
     * 获取定时任务的执行频率
     *
     * @return 频率信息
     */
    protected abstract long getPeriod();

}