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RejectedExecutionHandler

更新时间: 2024-01-12 08:55
本文导读
public interface RejectedExecutionHandler
A handler for tasks that cannot be executed by a ThreadPoolExecutor.

Since:

1.5

Method Summary

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Modifier and Type

Method

Description

void

rejectedExecution​(Runnable r, ThreadPoolExecutor executor)

Method that may be invoked by a ThreadPoolExecutor when ThreadPoolExecutor#execute cannot accept a task.

Method Detail

rejectedExecution

void rejectedExecution​(Runnable r, ThreadPoolExecutor executor)

Method that may be invoked by a ThreadPoolExecutor when ThreadPoolExecutor#execute cannot accept a task. This may occur when no more threads or queue slots are available because their bounds would be exceeded, or upon shutdown of the Executor.

In the absence of other alternatives, the method may throw an unchecked RejectedExecutionException, which will be propagated to the caller of execute.

Parameters:

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Parameter Name

Parameter Description

r

the runnable task requested to be executed

executor

the executor attempting to execute this task

Throws:

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Throw Name

Throw Description

RejectedExecutionException

if there is no remedy

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