Java & Executor & RunnableScheduledFuture & 源码

前言

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 相关系列

• 《Java & Executor & 目录》
• 《Java & Executor & RunnableScheduledFuture & 源码》
• 《Java & Executor & RunnableScheduledFuture & 总结》
• 《Java & Executor & RunnableScheduledFuture & 问题》
   

 涉及内容

• 《Java & Executor & 总结》
• 《Java & Executor & RunnableFuture & 总结》
• 《Java & Executor & ScheduledFuture & 总结》
   
   

源码

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/*
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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/*
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 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

package juc;

/**
 * A {@link ScheduledFuture} that is {@link Runnable}. Successful execution of the {@code run} method causes completion
 * of the {@code Future} and allows access to its results.
 * 一一个是可运行的计划未来。run()方法的成功执行会导致未来完成并且允许访问它的结果。
 *
 * @param <V> The result type returned by this Future's {@code get} method 通过未来的get()方法返回的结果类型
 * @author Doug Lea
 * @see FutureTask
 * @see Executor
 * @since 1.6
 */
public interface RunnableScheduledFuture<V> extends RunnableFuture<V>, ScheduledFuture<V> {
    
    

    /**
     * Returns {@code true} if this task is periodic. A periodic task may re-run according to some schedule. A non-periodic
     * task can be run only once.
     * 如果当前任务是周期性的则返回true。一个周期性的任务可能根据某些计划重复运行。一个非周期性的任务执行运行一次。
     *
     * @return {@code true} if this task is periodic 如果当前任务是周期性的则返回true。
     * @Description: ------------------------------------------------------------- 名称 -------------------------------------------------------------
     * @Description: 是否周期
     * @Description: ------------------------------------------------------------- 作用 -------------------------------------------------------------
     * @Description: 判断当前可运行计划未来是否允许周期性执行，是则返回true；否则返回false。
     * @Description: ------------------------------------------------------------- 逻辑 -------------------------------------------------------------
     * @Description: ~
     * @Description: ------------------------------------------------------------- 注意 -------------------------------------------------------------
     * @Description: ~
     * @Description: ------------------------------------------------------------- 疑问 -------------------------------------------------------------
     * @Description: ~
     */
    boolean isPeriodic();

}