ThreadPoolExecutor.CallerRunsPolicy (Java SE 9 & JDK 9 ) (original) (raw)

• java.lang.Object

• • java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy

• All Implemented Interfaces:
  [RejectedExecutionHandler](../../../java/util/concurrent/RejectedExecutionHandler.html "interface in java.util.concurrent")
  Enclosing class:
  ThreadPoolExecutor

public static class ThreadPoolExecutor.CallerRunsPolicy
extends Object
implements RejectedExecutionHandler
A handler for rejected tasks that runs the rejected task directly in the calling thread of the execute method, unless the executor has been shut down, in which case the task is discarded.

• • Constructor Summary

  Constructors

  Constructor	Description
  CallerRunsPolicy​()	Creates a CallerRunsPolicy.

  • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method	Description
  void	rejectedExecution​(Runnable r,ThreadPoolExecutor e)	Executes task r in the caller's thread, unless the executor has been shut down, in which case the task is discarded.

     * ### Methods inherited from class java.lang.[Object](../../../java/lang/Object.html "class in java.lang")  
     `[clone](../../../java/lang/Object.html#clone--), [equals](../../../java/lang/Object.html#equals-java.lang.Object-), [finalize](../../../java/lang/Object.html#finalize--), [getClass](../../../java/lang/Object.html#getClass--), [hashCode](../../../java/lang/Object.html#hashCode--), [notify](../../../java/lang/Object.html#notify--), [notifyAll](../../../java/lang/Object.html#notifyAll--), [toString](../../../java/lang/Object.html#toString--), [wait](../../../java/lang/Object.html#wait--), [wait](../../../java/lang/Object.html#wait-long-), [wait](../../../java/lang/Object.html#wait-long-int-)`

• • Constructor Detail

     * #### CallerRunsPolicy  
     public CallerRunsPolicy​()  
     Creates a `CallerRunsPolicy`.  

  • Method Detail

    * #### rejectedExecution  
    public void rejectedExecution​([Runnable](../../../java/lang/Runnable.html "interface in java.lang") r,  
                                  [ThreadPoolExecutor](../../../java/util/concurrent/ThreadPoolExecutor.html "class in java.util.concurrent") e)  
    Executes task r in the caller's thread, unless the executor has been shut down, in which case the task is discarded.  
    Specified by:  
    `[rejectedExecution](../../../java/util/concurrent/RejectedExecutionHandler.html#rejectedExecution-java.lang.Runnable-java.util.concurrent.ThreadPoolExecutor-)` in interface `[RejectedExecutionHandler](../../../java/util/concurrent/RejectedExecutionHandler.html "interface in java.util.concurrent")`  
    Parameters:  
    `r` \- the runnable task requested to be executed  
    `e` \- the executor attempting to execute this task

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