Java Module java.base Package java.util.concurrent Class ThreadPoolExecutor.CallerRunsPolicy（JDK11）

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java.lang.Object
- java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy

All Implemented Interfaces:

RejectedExecutionHandler

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 declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CallerRunsPolicy
```
public CallerRunsPolicy()
```
    Creates a CallerRunsPolicy.
- Method Detail
  - rejectedExecution
```
public 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.
    
    Specified by:
    
    rejectedExecution in interface RejectedExecutionHandler
    
    Parameters:
    
    r - the runnable task requested to be executed
    
    e - the executor attempting to execute this task

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