Interface ForkJoinPool.ForkJoinWorkerThreadFactory
- Enclosing class:
- ForkJoinPool
public static interface ForkJoinPool.ForkJoinWorkerThreadFactory
Factory for creating new ForkJoinWorkerThread
s. A ForkJoinWorkerThreadFactory
must be defined and used for ForkJoinWorkerThread
subclasses that extend base functionality or initialize threads with different contexts.
Method Summary
Modifier and Type | Method | Description |
---|---|---|
ForkJoinWorkerThread | newThread(ForkJoinPool pool) | Returns a new worker thread operating in the given pool. |
Method Detail
newThread
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
).
- Parameters:
-
pool
- the pool this thread works in - Returns:
- the new worker thread, or
null
if the request to create a thread is rejected - Throws:
-
NullPointerException
- if the pool is null