- java.lang.Object
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- java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy
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- All Implemented Interfaces:
- RejectedExecutionHandler
- Enclosing class:
- ThreadPoolExecutor
public static class ThreadPoolExecutor.DiscardOldestPolicy extends Object implements RejectedExecutionHandler
A handler for rejected tasks that discards the oldest unhandled request and then retriesexecute
, unless the executor is shut down, in which case the task is discarded.
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Constructor Summary
Constructors Constructor and Description ThreadPoolExecutor.DiscardOldestPolicy()
Creates aDiscardOldestPolicy
for the given executor.
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Method Summary
Methods Modifier and Type Method and Description 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.
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Constructor Detail
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ThreadPoolExecutor.DiscardOldestPolicy
public ThreadPoolExecutor.DiscardOldestPolicy()
Creates aDiscardOldestPolicy
for the given executor.
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Method Detail
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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.- Specified by:
rejectedExecution
in interfaceRejectedExecutionHandler
- Parameters:
r
- the runnable task requested to be executede
- the executor attempting to execute this task
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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-java/util/concurrent/threadpoolexecutor.discardoldestpolicy.html
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