| 601 |
|
} |
| 602 |
|
|
| 603 |
|
/** |
| 604 |
+ |
* A version of "sneaky throw" to relay exceptions |
| 605 |
+ |
*/ |
| 606 |
+ |
static void rethrow(final Throwable ex) { |
| 607 |
+ |
if (ex != null) { |
| 608 |
+ |
if (ex instanceof Error) |
| 609 |
+ |
throw (Error)ex; |
| 610 |
+ |
if (ex instanceof RuntimeException) |
| 611 |
+ |
throw (RuntimeException)ex; |
| 612 |
+ |
throw uncheckedThrowable(ex, RuntimeException.class); |
| 613 |
+ |
} |
| 614 |
+ |
} |
| 615 |
+ |
|
| 616 |
+ |
/** |
| 617 |
+ |
* The sneaky part of sneaky throw, relying on generics |
| 618 |
+ |
* limitations to evade compiler complaints about rethrowing |
| 619 |
+ |
* unchecked exceptions |
| 620 |
+ |
*/ |
| 621 |
+ |
@SuppressWarnings("unchecked") static <T extends Throwable> |
| 622 |
+ |
T uncheckedThrowable(final Throwable t, final Class<T> c) { |
| 623 |
+ |
return (T)t; // rely on vacuous cast |
| 624 |
+ |
} |
| 625 |
+ |
|
| 626 |
+ |
/** |
| 627 |
|
* Throws exception, if any, associated with the given status. |
| 628 |
|
*/ |
| 629 |
|
private void reportException(int s) { |
| 630 |
< |
Throwable ex = ((s == CANCELLED) ? new CancellationException() : |
| 631 |
< |
(s == EXCEPTIONAL) ? getThrowableException() : |
| 632 |
< |
null); |
| 633 |
< |
if (ex != null) |
| 611 |
< |
U.throwException(ex); |
| 630 |
> |
if (s == CANCELLED) |
| 631 |
> |
throw new CancellationException(); |
| 632 |
> |
if (s == EXCEPTIONAL) |
| 633 |
> |
rethrow(getThrowableException()); |
| 634 |
|
} |
| 635 |
|
|
| 636 |
|
// public methods |
| 757 |
|
} |
| 758 |
|
} |
| 759 |
|
if (ex != null) |
| 760 |
< |
U.throwException(ex); |
| 760 |
> |
rethrow(ex); |
| 761 |
|
} |
| 762 |
|
|
| 763 |
|
/** |
| 808 |
|
} |
| 809 |
|
} |
| 810 |
|
if (ex != null) |
| 811 |
< |
U.throwException(ex); |
| 811 |
> |
rethrow(ex); |
| 812 |
|
return tasks; |
| 813 |
|
} |
| 814 |
|
|
