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

Example 81 with RecursiveAction

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

the class ForkJoinTaskTest method testPeekNextLocalTask.

/**
 * peekNextLocalTask returns most recent unexecuted task.
 */
public void testPeekNextLocalTask() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            AsyncFib g = new AsyncFib(9);
            assertSame(g, g.fork());
            AsyncFib f = new AsyncFib(8);
            assertSame(f, f.fork());
            assertSame(f, peekNextLocalTask());
            assertNull(f.join());
            checkCompletedNormally(f);
            helpQuiesce();
            checkCompletedNormally(g);
        }
    };
    testInvokeOnPool(singletonPool(), a);
}

Example 82 with RecursiveAction

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

the class ForkJoinTaskTest method testCancelledInvokeSingleton.

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

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

Example 83 with RecursiveAction

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

the class ForkJoinTaskTest method testInvokeSingleton.

// versions for singleton pools
/**
 * invoke returns when task completes normally.
 * isCompletedAbnormally and isCancelled return false for normally
 * completed tasks; getRawResult returns null.
 */
public void testInvokeSingleton() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            AsyncFib f = new AsyncFib(8);
            assertNull(f.invoke());
            assertEquals(21, f.number);
            checkCompletedNormally(f);
        }
    };
    testInvokeOnPool(singletonPool(), a);
}

Example 84 with RecursiveAction

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

the class ForkJoinTaskTest method testCancelledForkQuietlyJoinSingleton.

/**
 * quietlyJoin of a forked task returns when task cancelled
 */
public void testCancelledForkQuietlyJoinSingleton() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            AsyncFib f = new AsyncFib(8);
            assertTrue(f.cancel(true));
            assertSame(f, f.fork());
            f.quietlyJoin();
            checkCancelled(f);
        }
    };
    testInvokeOnPool(singletonPool(), a);
}

Example 85 with RecursiveAction

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

the class ForkJoinTaskTest method testCancelledForkTimedGetSingleton.

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

        protected void realCompute() throws Exception {
            AsyncFib f = new AsyncFib(8);
            assertTrue(f.cancel(true));
            assertSame(f, f.fork());
            try {
                f.get(LONG_DELAY_MS, MILLISECONDS);
                shouldThrow();
            } catch (CancellationException success) {
                checkCancelled(f);
            }
        }
    };
    testInvokeOnPool(singletonPool(), a);
}