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

Example 46 with LongAdder

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

the class NioBookStore method uploadBookStream.

@POST
@Consumes(MediaType.TEXT_PLAIN)
@Produces(MediaType.TEXT_PLAIN)
public void uploadBookStream(@Suspended AsyncResponse response) {
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final byte[] buffer = new byte[4096];
    final LongAdder adder = new LongAdder();
    new NioReadEntity(// read handler
    in -> {
        final int n = in.read(buffer);
        if (n > 0) {
            adder.add(n);
            out.write(buffer, 0, n);
        }
    }, // completion handler
    () -> {
        closeOutputStream(out);
        response.resume("Book Store uploaded: " + adder.longValue() + " bytes");
    });
}

Example 47 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project drools by kiegroup.

the class CompositeAgendaTest method testCreateHaltDisposeAgenda.

@Test
@Ignore
public void testCreateHaltDisposeAgenda() {
    final String drl = " import org.drools.compiler.integrationtests.facts.*;\n" + " declare A @role( event ) end\n" + " global java.util.concurrent.atomic.LongAdder firings;\n" + " rule R0 when\n" + "     A( value > 0,$Aid: id )\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R1 when\n" + "     A(value > 1)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R2 when\n" + "     A(value > 2)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R3 when\n" + "     A(value > 3)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R4 when\n" + "     A(value > 4)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R5 when\n" + "     A(value > 5)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R6 when\n" + "     A(value > 6)\n" + " then\n" + "     firings.add(1);\n" + " end\n" + " rule R7 when\n" + "     A(value > 7)\n" + " then\n" + "     firings.add(1);\n" + " end";
    final KieBaseConfiguration kieBaseConfiguration = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kieBaseConfiguration.setOption(MultithreadEvaluationOption.YES);
    kieBaseConfiguration.setOption(EventProcessingOption.STREAM);
    final KieBase kieBase = new KieHelper().addContent(drl, ResourceType.DRL).build(kieBaseConfiguration);
    final KieSession kieSession = kieBase.newKieSession();
    final LongAdder firingCounter = new LongAdder();
    kieSession.setGlobal("firings", firingCounter);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    executor.submit(() -> kieSession.fireUntilHalt());
    final EventInsertThread eventInsertThread = new EventInsertThread(kieSession);
    executor.submit(eventInsertThread);
    try {
        Thread.sleep(5000);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    kieSession.halt();
    eventInsertThread.setActive(false);
    kieSession.dispose();
    executor.shutdown();
    try {
        if (!executor.awaitTermination(10, TimeUnit.MILLISECONDS)) {
            executor.shutdownNow();
        }
    } catch (InterruptedException e) {
        e.printStackTrace();
        Assert.fail(e.getMessage());
    }
}

Example 48 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachEntrySequentially.

/**
     * Mapped forEachEntrySequentially traverses the given
     * transformations of all entries
     */
public void testMappedForEachEntrySequentially() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachEntry(Long.MAX_VALUE, (Map.Entry<Long, Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2);
}

Example 49 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachInParallel.

/**
     * Mapped forEachInParallel traverses the given
     * transformations of all mappings
     */
public void testMappedForEachInParallel() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEach(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2);
}

Example 50 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testKeySetSpliterator.

/**
     * KeySetView.spliterator returns spliterator over the elements in this set
     */
public void testKeySetSpliterator() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap map = map5();
    Set set = map.keySet();
    Spliterator<Integer> sp = set.spliterator();
    checkSpliteratorCharacteristics(sp, CONCURRENT | DISTINCT | NONNULL);
    assertEquals(sp.estimateSize(), map.size());
    Spliterator<Integer> sp2 = sp.trySplit();
    sp.forEachRemaining((Integer x) -> adder.add(x.longValue()));
    long v = adder.sumThenReset();
    sp2.forEachRemaining((Integer x) -> adder.add(x.longValue()));
    long v2 = adder.sum();
    assertEquals(v + v2, 15);
}