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package io.github.kits.timer;

import java.util.Date;
import java.util.Objects;
import java.util.Timer;
import java.util.function.Consumer;

/**
 * @project: kits
 * @created: with IDEA
 * @author: nzlong
 * @date: 2019/02/20 14:28 | February. Wednesday
 */
public class TimedTask {

    public static DelayTask delay() {
        return DelayTask.getDelayTask();
    }

    /**
     * 从firstTime时刻开始，每隔period毫秒执行一次。
     *
     * @param taskName
     * @param task
     * @param firstTime
     * @param period
     * @param 
     */
    public static  void addFirstTimeTask(String taskName, Consumer task, Date firstTime, long period) {
        if (Objects.isNull(firstTime)) {
            firstTime = new Date();
        }
        TimedKit.addTask(taskName, null, null, task, null, period, null, firstTime);
    }

    /**
     * 从firstTime时刻开始，每隔period毫秒执行一次。
     *
     * @param taskName
     * @param task
     * @param firstTime
     * @param period
     * @param 
     */
    public static  void addFirstTimeTask(String taskName, T t, Consumer task, Date firstTime, long period) {
        if (Objects.isNull(firstTime)) {
            firstTime = new Date();
        }
        TimedKit.addTask(taskName, t, null, task, null, period, null, firstTime);
    }

    /**
     * 在指定时间执行一次
     *
     * @param taskName
     * @param task
     * @param date
     * @param 
     */
    public static  void addTask(String taskName, Consumer task, Date date) {
        TimedKit.addTask(taskName, null, null, task, null, null, date, null);
    }

    /**
     * 每隔period毫秒执行一次
     *
     * @param taskName
     * @param task
     * @param period
     * @param 
     */
    public static  void addTask(String taskName, Consumer task, long period) {
        TimedKit.addTask(taskName, null, null, task, null, period, null, null);
    }

    /**
     * 每隔period毫秒执行一次
     *
     * @param taskName
     * @param t
     * @param task
     * @param period
     * @param 
     */
    public static  void addTask(String taskName, T t, Consumer task, long period) {
        TimedKit.addTask(taskName, t, null, task, null, period, null, null);
    }

    /**
     * 取消定时任务
     *
     * @param taskName
     */
    public static void cancel(String taskName) {
        TimedKit.checkTaskName(taskName);
        Timer timer = TimedKit.TIMER_MAP.get(taskName);
        if (Objects.isNull(timer)) {
            throw new NullPointerException("Timer is not exists!");
        }
        timer.cancel();
    }

}