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

Example 56 with AtomicLong

use of java.util.concurrent.atomic.AtomicLong in project RxJava by ReactiveX.

the class SingleTimerTest method timer.

@Test
public void timer() {
    final TestScheduler testScheduler = new TestScheduler();
    final AtomicLong atomicLong = new AtomicLong();
    Single.timer(2, TimeUnit.SECONDS, testScheduler).subscribe(new Consumer<Long>() {

        @Override
        public void accept(final Long value) throws Exception {
            atomicLong.incrementAndGet();
        }
    });
    assertEquals(0, atomicLong.get());
    testScheduler.advanceTimeBy(1, TimeUnit.SECONDS);
    assertEquals(0, atomicLong.get());
    testScheduler.advanceTimeBy(1, TimeUnit.SECONDS);
    assertEquals(1, atomicLong.get());
}

Example 57 with AtomicLong

use of java.util.concurrent.atomic.AtomicLong in project neo4j by neo4j.

the class CountsRotationTest method rotationShouldNotCauseUnmappedFileProblem.

@Test
public void rotationShouldNotCauseUnmappedFileProblem() throws IOException {
    // GIVEN
    GraphDatabaseAPI db = (GraphDatabaseAPI) dbBuilder.newGraphDatabase();
    DependencyResolver resolver = db.getDependencyResolver();
    RecordStorageEngine storageEngine = resolver.resolveDependency(RecordStorageEngine.class);
    CountsTracker countStore = storageEngine.testAccessNeoStores().getCounts();
    AtomicBoolean workerContinueFlag = new AtomicBoolean(true);
    AtomicLong lookupsCounter = new AtomicLong();
    int rotations = 100;
    for (int i = 0; i < 5; i++) {
        threadingRule.execute(countStoreLookup(workerContinueFlag, lookupsCounter), countStore);
    }
    long startTxId = countStore.txId();
    for (int i = 1; (i < rotations) || (lookupsCounter.get() == 0); i++) {
        try (Transaction tx = db.beginTx()) {
            db.createNode(B);
            tx.success();
        }
        checkPoint(db);
    }
    workerContinueFlag.set(false);
    assertEquals("Should perform at least 100 rotations.", rotations, Math.min(rotations, countStore.txId() - startTxId));
    assertTrue("Should perform more then 0 lookups without exceptions.", lookupsCounter.get() > 0);
    db.shutdown();
}

Example 58 with AtomicLong

use of java.util.concurrent.atomic.AtomicLong in project storm by nathanmarz.

the class Time method startSimulating.

public static void startSimulating() {
    simulating.set(true);
    simulatedCurrTimeMs = new AtomicLong(0);
    threadSleepTimes = new ConcurrentHashMap<Thread, AtomicLong>();
}

Example 59 with AtomicLong

use of java.util.concurrent.atomic.AtomicLong in project neo4j by neo4j.

the class PrimitiveLongCollectionsTest method shouldNotContinueToCallNextOnHasNextFalse.

@Test
public void shouldNotContinueToCallNextOnHasNextFalse() throws Exception {
    // GIVEN
    AtomicLong count = new AtomicLong(2);
    PrimitiveLongIterator iterator = new PrimitiveLongBaseIterator() {

        @Override
        protected boolean fetchNext() {
            return count.decrementAndGet() >= 0 ? next(count.get()) : false;
        }
    };
    // WHEN/THEN
    assertTrue(iterator.hasNext());
    assertTrue(iterator.hasNext());
    assertEquals(1L, iterator.next());
    assertTrue(iterator.hasNext());
    assertTrue(iterator.hasNext());
    assertEquals(0L, iterator.next());
    assertFalse(iterator.hasNext());
    assertFalse(iterator.hasNext());
    assertEquals(-1L, count.get());
}

Example 60 with AtomicLong

use of java.util.concurrent.atomic.AtomicLong in project neo4j by neo4j.

the class MeasureUpdatePullingRecordAndIndexGap method shouldMeasureThatGap.

@Test
public void shouldMeasureThatGap() throws Exception {
    // GIVEN
    ManagedCluster cluster = clusterRule.startCluster();
    createIndexes(cluster.getMaster());
    cluster.sync();
    awaitIndexes(cluster);
    final AtomicBoolean halter = new AtomicBoolean();
    AtomicLong[] highIdNodes = new AtomicLong[numberOfIndexes];
    CountDownLatch endLatch = new CountDownLatch(numberOfIndexes + 1);
    for (int i = 0; i < highIdNodes.length; i++) {
        highIdNodes[i] = new AtomicLong();
    }
    startLoadOn(cluster.getMaster(), halter, highIdNodes, endLatch);
    GraphDatabaseAPI slave = cluster.getAnySlave();
    startCatchingUp(slave, halter, endLatch);
    // WHEN measuring...
    final AtomicInteger good = new AtomicInteger(), bad = new AtomicInteger(), ugly = new AtomicInteger();
    startMeasuringTheGap(good, bad, ugly, halter, highIdNodes, slave);
    for (long endTime = currentTimeMillis() + SECONDS.toMillis(30); currentTimeMillis() < endTime; ) {
        printStats(good.get(), bad.get(), ugly.get());
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
    halter.set(true);
    endLatch.await();
    // THEN
    printStats(good.get(), bad.get(), ugly.get());
}