Interface ForkJoinPool.ForkJoinWorkerThreadFactory

Enclosing class:
public static interface ForkJoinPool.ForkJoinWorkerThreadFactory

Factory for creating new ForkJoinWorkerThreads. A ForkJoinWorkerThreadFactory must be defined and used for ForkJoinWorkerThread subclasses that extend base functionality or initialize threads with different contexts.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type Method Description
ForkJoinWorkerThread newThread​(ForkJoinPool pool)

Returns a new worker thread operating in the given pool.

Method Detail


ForkJoinWorkerThread newThread​(ForkJoinPool pool)

Returns a new worker thread operating in the given pool. Returning null or throwing an exception may result in tasks never being executed. If this method throws an exception, it is relayed to the caller of the method (for example execute) causing attempted thread creation. If this method returns null or throws an exception, it is not retried until the next attempted creation (for example another call to execute).

pool - the pool this thread works in
the new worker thread, or null if the request to create a thread is rejected
NullPointerException - if the pool is null