Examples with CopyOnWriteArraySet java.util.concurrent.CopyOnWriteArraySet used on opensource projects

Example 21 with CopyOnWriteArraySet

use of java.util.concurrent.CopyOnWriteArraySet in project neo4j by neo4j.

the class ParallelInputEntityDeserializerTest method shouldParseDataInParallel.

@Test
public void shouldParseDataInParallel() throws Exception {
    // GIVEN
    int entities = 500;
    Data<InputNode> data = testData(entities);
    Configuration config = new Configuration.Overridden(COMMAS) {

        @Override
        public int bufferSize() {
            return 100;
        }
    };
    IdType idType = ACTUAL;
    Collector badCollector = mock(Collector.class);
    Groups groups = new Groups();
    Set<Thread> observedProcessingThreads = new CopyOnWriteArraySet<>();
    int threads = 4;
    DeserializerFactory<InputNode> deserializerFactory = (header, chunk, decorator, validator) -> {
        observedProcessingThreads.add(Thread.currentThread());
        // Make sure there will be 4 different processing threads doing this
        boolean allThreadsStarted;
        do {
            allThreadsStarted = observedProcessingThreads.size() == threads;
        } while (!allThreadsStarted);
        return new InputEntityDeserializer<>(header, chunk, config.delimiter(), new InputNodeDeserialization(header, chunk, groups, idType.idsAreExternal()), decorator, validator, badCollector);
    };
    try (ParallelInputEntityDeserializer<InputNode> deserializer = new ParallelInputEntityDeserializer<>(data, defaultFormatNodeFileHeader(), config, idType, threads, threads, deserializerFactory, Validators.<InputNode>emptyValidator(), InputNode.class)) {
        // WHEN/THEN
        long previousLineNumber = -1;
        long previousPosition = -1;
        for (long i = 0; i < entities; i++) {
            assertTrue(deserializer.hasNext());
            InputNode entity = deserializer.next();
            assertEquals(i, ((Long) entity.id()).longValue());
            assertEquals("name", entity.properties()[0]);
            assertTrue(entity.properties()[1].toString().startsWith(i + "-"));
            assertTrue(entity.lineNumber() > previousLineNumber);
            previousLineNumber = entity.lineNumber();
            assertTrue(entity.position() > previousPosition);
            previousPosition = entity.position();
        }
        assertFalse(deserializer.hasNext());
        assertEquals(threads, observedProcessingThreads.size());
    }
}

Example 22 with CopyOnWriteArraySet

use of java.util.concurrent.CopyOnWriteArraySet in project deltaspike by apache.

the class ViewConfigTest method testCallbackExecutionFolder.

@Test
public void testCallbackExecutionFolder() {
    this.viewConfigExtension.addPageDefinition(Pages.class);
    this.viewConfigExtension.addPageDefinition(Pages.Secure.class);
    final SimpleTestAccessDecisionVoter1 testInstance1 = new SimpleTestAccessDecisionVoter1();
    ViewConfigNode node = this.viewConfigExtension.findNode(Pages.Secure.class);
    //add it to avoid in-container test for this simple constellation - usually not needed!
    node.getCallbackDescriptors().put(TestSecured.class, new ArrayList<CallbackDescriptor>() {

        {
            add(new TestSecured.Descriptor(new Class[] { SimpleTestAccessDecisionVoter1.class }, DefaultCallback.class) {

                @Override
                protected Object getTargetObject(Class targetType) {
                    return testInstance1;
                }
            });
        }
    });
    ViewConfigResolver viewConfigResolver = this.viewConfigResolverProducer.createViewConfigResolver();
    ConfigDescriptor configDescriptor = viewConfigResolver.getConfigDescriptor(Pages.Secure.class);
    Assert.assertNotNull(configDescriptor);
    Assert.assertNotNull(configDescriptor.getCallbackDescriptor(TestSecured.class));
    List<Set<String>> /*return type of one callback*/
    callbackResult = ((TestSecured.Descriptor) configDescriptor.getExecutableCallbackDescriptor(TestSecured.class, TestSecured.Descriptor.class)).execute("param1", "param2");
    Assert.assertNotNull(callbackResult);
    Assert.assertEquals(1, callbackResult.size());
    Assert.assertEquals(3, callbackResult.iterator().next().size());
    Iterator<String> resultIterator = callbackResult.iterator().next().iterator();
    //the order in the result isn't guaranteed
    Set<String> expectedValues = new CopyOnWriteArraySet<String>();
    expectedValues.add("param1");
    expectedValues.add("param2");
    expectedValues.add(SimpleTestAccessDecisionVoter1.class.getName());
    while (resultIterator.hasNext()) {
        String currentValue = resultIterator.next();
        if (!expectedValues.remove(currentValue)) {
            Assert.fail("value '" + currentValue + "' not found in the result");
        }
    }
    Assert.assertTrue(expectedValues.isEmpty());
}

Example 23 with CopyOnWriteArraySet

use of java.util.concurrent.CopyOnWriteArraySet in project geode by apache.

the class MBeanProxyInfoRepository method addProxyToRepository.

/**
   * Add the {@link ProxyInfo} into repository for future quick access
   * 
   * @param member Distributed Member
   * @param proxyInfo Proxy Info instance
   */
protected void addProxyToRepository(DistributedMember member, ProxyInfo proxyInfo) {
    ObjectName objectName = proxyInfo.getObjectName();
    if (logger.isTraceEnabled()) {
        logger.trace("ADDED TO PROXY REPO : {}", proxyInfo.getObjectName());
    }
    objectNameIndex.put(objectName, proxyInfo);
    if (memberIndex.get(member) != null) {
        memberIndex.get(member).add(proxyInfo.getObjectName());
    } else {
        Set<ObjectName> proxyInfoSet = new CopyOnWriteArraySet<ObjectName>();
        proxyInfoSet.add(proxyInfo.getObjectName());
        memberIndex.put(member, proxyInfoSet);
    }
}

Example 24 with CopyOnWriteArraySet

use of java.util.concurrent.CopyOnWriteArraySet in project tomee by apache.

the class WebappBeanManager method mergeBeans.

private Set<Bean<?>> mergeBeans() {
    // override parent one with a "webapp" bean list
    final Set<Bean<?>> allBeans = new CopyOnWriteArraySet<>();
    final BeanManagerImpl parentBm = getParentBm();
    if (parentBm != null) {
        for (final Bean<?> bean : parentBm.getBeans()) {
            if (filter.accept(bean)) {
                allBeans.add(bean);
            }
        }
    }
    allBeans.addAll(super.getBeans());
    return allBeans;
}