Examples with RecursiveAction java8.util.concurrent.RecursiveAction used on opensource projects

Example 41 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class RecursiveActionTest method testCancelledForkJoin.

/**
 * join of a forked task throws exception when task cancelled
 */
public void testCancelledForkJoin() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            FibAction f = new FibAction(8);
            assertTrue(f.cancel(true));
            assertSame(f, f.fork());
            try {
                f.join();
                shouldThrow();
            } catch (CancellationException success) {
                checkCancelled(f);
            }
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 42 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class RecursiveActionTest method testCancelledInvoke.

/**
 * invoke task throws exception when task cancelled
 */
public void testCancelledInvoke() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            FibAction f = new FibAction(8);
            assertTrue(f.cancel(true));
            try {
                f.invoke();
                shouldThrow();
            } catch (CancellationException success) {
                checkCancelled(f);
            }
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 43 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class RecursiveActionTest method testAbnormalForkTimedGet.

/**
 * timed get of a forked task throws exception when task completes abnormally
 */
public void testAbnormalForkTimedGet() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() throws Exception {
            FailingFibAction f = new FailingFibAction(8);
            assertSame(f, f.fork());
            try {
                f.get(LONG_DELAY_MS, MILLISECONDS);
                shouldThrow();
            } catch (ExecutionException success) {
                Throwable cause = success.getCause();
                assertTrue(cause instanceof FJException);
                checkCompletedAbnormally(f, cause);
            }
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 44 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class RecursiveActionTest method testForkJoin.

/**
 * join of a forked task returns when task completes
 */
public void testForkJoin() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            FibAction f = new FibAction(8);
            assertSame(f, f.fork());
            assertNull(f.join());
            assertEquals(21, f.result);
            checkCompletedNormally(f);
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 45 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class RecursiveActionTest method testCompleteExceptionally.

/**
 * invoke task throws exception after invoking completeExceptionally
 */
public void testCompleteExceptionally() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            FibAction f = new FibAction(8);
            f.completeExceptionally(new FJException());
            try {
                f.invoke();
                shouldThrow();
            } catch (FJException success) {
                checkCompletedAbnormally(f, success);
            }
        }
    };
    testInvokeOnPool(mainPool(), a);
}