| 54 |
|
* exceptions such as {@code IOExceptions} to be thrown. However, |
| 55 |
|
* computations may still encounter unchecked exceptions, that are |
| 56 |
|
* rethrown to callers attempting to join them. These exceptions may |
| 57 |
< |
* additionally include RejectedExecutionExceptions stemming from |
| 58 |
< |
* internal resource exhaustion such as failure to allocate internal |
| 59 |
< |
* task queues. |
| 57 |
> |
* additionally include {@link RejectedExecutionException} stemming |
| 58 |
> |
* from internal resource exhaustion, such as failure to allocate |
| 59 |
> |
* internal task queues. |
| 60 |
|
* |
| 61 |
|
* <p>The primary method for awaiting completion and extracting |
| 62 |
|
* results of a task is {@link #join}, but there are several variants: |
| 509 |
|
* Arranges to asynchronously execute this task. While it is not |
| 510 |
|
* necessarily enforced, it is a usage error to fork a task more |
| 511 |
|
* than once unless it has completed and been reinitialized. |
| 512 |
+ |
* Subsequent modifications to the state of this task or any data |
| 513 |
+ |
* it operates on are not necessarily consistently observable by |
| 514 |
+ |
* any thread other than the one executing it unless preceded by a |
| 515 |
+ |
* call to {@link #join} or related methods, or a call to {@link |
| 516 |
+ |
* #isDone} returning {@code true}. |
| 517 |
|
* |
| 518 |
|
* <p>This method may be invoked only from within {@code |
| 519 |
|
* ForkJoinTask} computations (as may be determined using method |
| 779 |
|
* overridable, but overridden versions must invoke {@code super} |
| 780 |
|
* implementation to maintain guarantees. |
| 781 |
|
* |
| 782 |
< |
* @param ex the exception to throw. If this exception is |
| 783 |
< |
* not a RuntimeException or Error, the actual exception thrown |
| 784 |
< |
* will be a RuntimeException with cause ex. |
| 782 |
> |
* @param ex the exception to throw. If this exception is not a |
| 783 |
> |
* {@code RuntimeException} or {@code Error}, the actual exception |
| 784 |
> |
* thrown will be a {@code RuntimeException} with cause {@code ex}. |
| 785 |
|
*/ |
| 786 |
|
public void completeExceptionally(Throwable ex) { |
| 787 |
|
setDoneExceptionally((ex instanceof RuntimeException) || |
