程序包 java.util.concurrent

类 ThreadPoolExecutor.DiscardOldestPolicy

java.lang.Object

java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy

所有已实现的接口:

RejectedExecutionHandler

封闭类:

ThreadPoolExecutor

public static class ThreadPoolExecutor.DiscardOldestPolicy
extends Object
implements RejectedExecutionHandler

A handler for rejected tasks that discards the oldest unhandled request and then retries execute, unless the executor is shut down, in which case the task is discarded.

构造器概要

构造器

构造器	说明
DiscardOldestPolicy()	Creates a DiscardOldestPolicy for the given executor.

方法概要

限定符和类型	方法	说明
void	rejectedExecution(Runnable r, ThreadPoolExecutor e)	Obtains and ignores the next task that the executor would otherwise execute, if one is immediately available, and then retries execution of task r, unless the executor is shut down, in which case task r is instead discarded.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

DiscardOldestPolicy

public DiscardOldestPolicy()

Creates a DiscardOldestPolicy for the given executor.

方法详细资料

rejectedExecution

public void rejectedExecution(Runnable r,
                              ThreadPoolExecutor e)

Obtains and ignores the next task that the executor would otherwise execute, if one is immediately available, and then retries execution of task r, unless the executor is shut down, in which case task r is instead discarded.

指定者:

rejectedExecution 在接口中 RejectedExecutionHandler

参数:

r - the runnable task requested to be executed

e - the executor attempting to execute this task