| 388 |
|
} |
| 389 |
|
|
| 390 |
|
/** Base class can act as either FJ or plain Runnable */ |
| 391 |
< |
static abstract class Async extends ForkJoinTask<Void> |
| 391 |
> |
abstract static class Async extends ForkJoinTask<Void> |
| 392 |
|
implements Runnable, AsynchronousCompletionTask { |
| 393 |
|
public final Void getRawResult() { return null; } |
| 394 |
|
public final void setRawResult(Void v) { } |
| 557 |
|
} |
| 558 |
|
|
| 559 |
|
// Opportunistically subclass AtomicInteger to use compareAndSet to claim. |
| 560 |
< |
static abstract class Completion extends AtomicInteger implements Runnable { |
| 560 |
> |
abstract static class Completion extends AtomicInteger implements Runnable { |
| 561 |
|
} |
| 562 |
|
|
| 563 |
|
static final class ApplyCompletion<T,U> extends Completion { |
| 2449 |
|
* then the returned CompletableFuture also does so, with a |
| 2450 |
|
* CompletionException holding this exception as its cause. |
| 2451 |
|
* |
| 2452 |
< |
* @param fn the function returning a new CompletableFuture. |
| 2452 |
> |
* @param fn the function returning a new CompletableFuture |
| 2453 |
|
* @return the CompletableFuture, that {@code isDone()} upon |
| 2454 |
|
* return if completed by the given function, or an exception |
| 2455 |
< |
* occurs. |
| 2455 |
> |
* occurs |
| 2456 |
|
*/ |
| 2457 |
|
public <U> CompletableFuture<U> thenCompose(Fun<? super T, |
| 2458 |
|
CompletableFuture<U>> fn) { |
| 2633 |
|
*/ |
| 2634 |
|
public boolean isCancelled() { |
| 2635 |
|
Object r; |
| 2636 |
< |
return ((r = result) != null && |
| 2637 |
< |
(r instanceof AltResult) && |
| 2638 |
< |
(((AltResult)r).ex instanceof CancellationException)); |
| 2636 |
> |
return ((r = result) instanceof AltResult) && |
| 2637 |
> |
(((AltResult)r).ex instanceof CancellationException); |
| 2638 |
|
} |
| 2639 |
|
|
| 2640 |
|
/** |
| 2641 |
|
* Forcibly sets or resets the value subsequently returned by |
| 2642 |
< |
* method get() and related methods, whether or not already |
| 2643 |
< |
* completed. This method is designed for use only in error |
| 2644 |
< |
* recovery actions, and even in such situations may result in |
| 2645 |
< |
* ongoing dependent completions using established versus |
| 2642 |
> |
* method {@link #get()} and related methods, whether or not |
| 2643 |
> |
* already completed. This method is designed for use only in |
| 2644 |
> |
* error recovery actions, and even in such situations may result |
| 2645 |
> |
* in ongoing dependent completions using established versus |
| 2646 |
|
* overwritten outcomes. |
| 2647 |
|
* |
| 2648 |
|
* @param value the completion value |
| 2653 |
|
} |
| 2654 |
|
|
| 2655 |
|
/** |
| 2656 |
< |
* Forcibly causes subsequent invocations of method get() and |
| 2657 |
< |
* related methods to throw the given exception, whether or not |
| 2658 |
< |
* already completed. This method is designed for use only in |
| 2656 |
> |
* Forcibly causes subsequent invocations of method {@link #get()} |
| 2657 |
> |
* and related methods to throw the given exception, whether or |
| 2658 |
> |
* not already completed. This method is designed for use only in |
| 2659 |
|
* recovery actions, and even in such situations may result in |
| 2660 |
|
* ongoing dependent completions using established versus |
| 2661 |
|
* overwritten outcomes. |
| 2699 |
|
private static sun.misc.Unsafe getUnsafe() { |
| 2700 |
|
try { |
| 2701 |
|
return sun.misc.Unsafe.getUnsafe(); |
| 2702 |
< |
} catch (SecurityException se) { |
| 2703 |
< |
try { |
| 2704 |
< |
return java.security.AccessController.doPrivileged |
| 2705 |
< |
(new java.security |
| 2706 |
< |
.PrivilegedExceptionAction<sun.misc.Unsafe>() { |
| 2707 |
< |
public sun.misc.Unsafe run() throws Exception { |
| 2708 |
< |
java.lang.reflect.Field f = sun.misc |
| 2709 |
< |
.Unsafe.class.getDeclaredField("theUnsafe"); |
| 2710 |
< |
f.setAccessible(true); |
| 2711 |
< |
return (sun.misc.Unsafe) f.get(null); |
| 2712 |
< |
}}); |
| 2713 |
< |
} catch (java.security.PrivilegedActionException e) { |
| 2714 |
< |
throw new RuntimeException("Could not initialize intrinsics", |
| 2715 |
< |
e.getCause()); |
| 2716 |
< |
} |
| 2702 |
> |
} catch (SecurityException tryReflectionInstead) {} |
| 2703 |
> |
try { |
| 2704 |
> |
return java.security.AccessController.doPrivileged |
| 2705 |
> |
(new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() { |
| 2706 |
> |
public sun.misc.Unsafe run() throws Exception { |
| 2707 |
> |
Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class; |
| 2708 |
> |
for (java.lang.reflect.Field f : k.getDeclaredFields()) { |
| 2709 |
> |
f.setAccessible(true); |
| 2710 |
> |
Object x = f.get(null); |
| 2711 |
> |
if (k.isInstance(x)) |
| 2712 |
> |
return k.cast(x); |
| 2713 |
> |
} |
| 2714 |
> |
throw new NoSuchFieldError("the Unsafe"); |
| 2715 |
> |
}}); |
| 2716 |
> |
} catch (java.security.PrivilegedActionException e) { |
| 2717 |
> |
throw new RuntimeException("Could not initialize intrinsics", |
| 2718 |
> |
e.getCause()); |
| 2719 |
|
} |
| 2720 |
|
} |
| 2720 |
– |
|
| 2721 |
|
} |
