Examples with LongAdder java.util.concurrent.atomic.LongAdder used on opensource projects

Example 66 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project aries by apache.

the class AbstractPushStreamImpl method forEachEvent.

@Override
public Promise<Long> forEachEvent(PushEventConsumer<? super T> action) {
    Deferred<Long> d = new Deferred<>();
    LongAdder la = new LongAdder();
    updateNext((event) -> {
        try {
            switch(event.getType()) {
                case DATA:
                    long value = action.accept(event);
                    la.add(value);
                    return value;
                case CLOSE:
                    try {
                        action.accept(event);
                    } finally {
                        d.resolve(Long.valueOf(la.sum()));
                    }
                    break;
                case ERROR:
                    try {
                        action.accept(event);
                    } finally {
                        d.fail(event.getFailure());
                    }
                    break;
            }
            return ABORT;
        } catch (Exception e) {
            close(PushEvent.error(e));
            return ABORT;
        }
    });
    begin();
    return d.getPromise();
}

Example 67 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project aries by apache.

the class AbstractPushStreamImpl method count.

@Override
public Promise<Long> count() {
    Deferred<Long> d = new Deferred<>();
    LongAdder counter = new LongAdder();
    updateNext((event) -> {
        try {
            switch(event.getType()) {
                case DATA:
                    counter.add(1);
                    return CONTINUE;
                case CLOSE:
                    d.resolve(Long.valueOf(counter.sum()));
                    break;
                case ERROR:
                    d.fail(event.getFailure());
                    break;
            }
            close(event.nodata());
            return ABORT;
        } catch (Exception e) {
            close(PushEvent.error(e));
            return ABORT;
        }
    });
    begin();
    return d.getPromise();
}

Example 68 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project jdk8u_jdk by JetBrains.

the class SplittableRandomTest method testUnsizedIntsCountSeq.

/**
     * A sequential unsized stream of ints generates at least 100 values
     */
public void testUnsizedIntsCountSeq() {
    LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.ints().limit(size).forEach(x -> {
        counter.increment();
    });
    assertEquals(counter.sum(), size);
}

Example 69 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project jdk8u_jdk by JetBrains.

the class SplittableRandomTest method testUnsizedDoublesCount.

/**
     * A parallel unsized stream of doubles generates at least 100 values
     */
public void testUnsizedDoublesCount() {
    LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.doubles().limit(size).parallel().forEach(x -> {
        counter.increment();
    });
    assertEquals(counter.sum(), size);
}

Example 70 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project jdk8u_jdk by JetBrains.

the class SplittableRandomTest method testUnsizedIntsCount.

/**
     * A parallel unsized stream of ints generates at least 100 values
     */
public void testUnsizedIntsCount() {
    LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.ints().limit(size).parallel().forEach(x -> {
        counter.increment();
    });
    assertEquals(counter.sum(), size);
}