Example usage for java.util.concurrent.atomic AtomicBoolean AtomicBoolean

List of usage examples for java.util.concurrent.atomic AtomicBoolean AtomicBoolean

  1. HOME
  2. Java
  3. java
  4. java.util.concurrent.atomic.*
  5. AtomicBoolean
  6. AtomicBoolean

Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicBoolean AtomicBoolean.

Prototype

public AtomicBoolean(boolean initialValue)

Source Link

Document

Creates a new AtomicBoolean with the given initial value.

Usage

From source file:cc.gospy.example.google.GoogleScholarSpider.java

public Collection<String> getResultLinks(final String keyword, final int pageFrom, final int pageTo) {
    if (pageFrom < 1)
        throw new IllegalArgumentException(pageFrom + "<" + 1);
    if (pageFrom >= pageTo)
        throw new IllegalArgumentException(pageFrom + ">=" + pageTo);

    final AtomicInteger currentPage = new AtomicInteger(pageFrom);
    final AtomicBoolean returned = new AtomicBoolean(false);
    final Collection<String> links = new LinkedHashSet<>();
    Gospy googleScholarSpider = Gospy.custom()
            .setScheduler(//  w w w  .  j  av  a2  s .com
                    Schedulers.VerifiableScheduler.custom().setExitCallback(() -> returned.set(true)).build())
            .addFetcher(Fetchers.HttpFetcher.custom()
                    .before(request -> request.setConfig(
                            RequestConfig.custom().setProxy(new HttpHost("127.0.0.1", 8118)).build()))
                    .build())
            .addProcessor(Processors.XPathProcessor.custom().extract(
                    "//*[@id='gs_ccl_results']/div/div/h3/a/@href", (task, resultList, returnedData) -> {
                        links.addAll(resultList);
                        currentPage.incrementAndGet();
                        if (pageFrom <= currentPage.get() && currentPage.get() < pageTo) {
                            return Arrays.asList(
                                    new Task(String.format("https://scholar.google.com/scholar?start=%d&q=%s",
                                            (currentPage.get() - 1) * 10, keyword)));
                        } else {
                            return Arrays.asList();
                        }
                    }).build())
            .build()
            .addTask(String.format("https://scholar.google.com/scholar?start=%d&q=%s", pageFrom, keyword));
    googleScholarSpider.start();
    while (!returned.get())
        ; // block until spider returned
    googleScholarSpider.stop();
    return links;
}

From source file:org.sbq.batch.mains.ActivityEmulator.java

private ActivityEmulator() {
    super();/*from   w w w.j a  v a2  s .c o m*/
    blockingQueue = new LinkedBlockingQueue<Runnable>();
    executor = new ThreadPoolExecutor(10, 10, 0L, TimeUnit.MILLISECONDS, blockingQueue);
    appCtx = new AnnotationConfigApplicationContext(ActivityEmulatorConfiguration.class);
    userService = appCtx.getBean(UserService.class);
    Map<String, AtomicBoolean> writableUserStatusByLogin = new HashMap<String, AtomicBoolean>();
    for (User user : userService.findAllUsers()) {
        writableUserStatusByLogin.put(user.getLogin(), new AtomicBoolean(false));
    }
    userStatusByLogin = Collections.unmodifiableMap(writableUserStatusByLogin);
}

From source file:com.netflix.curator.framework.recipes.atomic.TestDistributedAtomicLong.java

@Test
public void testCompareAndSet() throws Exception {
    final CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(),
            new RetryOneTime(1));
    client.start();/*from ww w .j av  a 2 s  .co  m*/
    try {
        final AtomicBoolean doIncrement = new AtomicBoolean(false);
        DistributedAtomicLong dal = new DistributedAtomicLong(client, "/counter", new RetryOneTime(1)) {
            @Override
            public byte[] valueToBytes(Long newValue) {
                if (doIncrement.get()) {
                    DistributedAtomicLong inc = new DistributedAtomicLong(client, "/counter",
                            new RetryOneTime(1));
                    try {
                        // this will force a bad version exception
                        inc.increment();
                    } catch (Exception e) {
                        throw new Error(e);
                    }
                }

                return super.valueToBytes(newValue);
            }
        };
        dal.forceSet(1L);

        Assert.assertTrue(dal.compareAndSet(1L, 5L).succeeded());
        Assert.assertFalse(dal.compareAndSet(1L, 5L).succeeded());

        doIncrement.set(true);
        Assert.assertFalse(dal.compareAndSet(5L, 10L).succeeded());
    } finally {
        client.close();
    }
}

From source file:com.jayway.restassured.path.json.JsonPathObjectDeserializationTest.java

@Test
public void json_path_supports_custom_deserializer() {
    // Given/* w ww . j  a v a 2s. c o m*/
    final AtomicBoolean customDeserializerUsed = new AtomicBoolean(false);

    final JsonPath jsonPath = new JsonPath(GREETING)
            .using(new JsonPathConfig().defaultObjectDeserializer(new JsonPathObjectDeserializer() {
                public <T> T deserialize(ObjectDeserializationContext ctx) {
                    customDeserializerUsed.set(true);
                    final String json = ctx.getDataToDeserialize().asString();
                    final Greeting greeting = new Greeting();
                    greeting.setFirstName(StringUtils.substringBetween(json, "\"firstName\":\"", "\""));
                    greeting.setLastName(StringUtils.substringBetween(json, "\"lastName\":\"", "\""));
                    return (T) greeting;
                }
            }));

    // When
    final Greeting greeting = jsonPath.getObject("", Greeting.class);

    // Then
    assertThat(greeting.getFirstName(), equalTo("John"));
    assertThat(greeting.getLastName(), equalTo("Doe"));
    assertThat(customDeserializerUsed.get(), is(true));
}

From source file:eu.stratosphere.nephele.io.channels.LocalChannelWithAccessInfo.java

LocalChannelWithAccessInfo(final File file, final boolean deleteOnClose) throws IOException {

    this.file = file;
    this.channel = new RandomAccessFile(file, "rw").getChannel();
    this.reservedWritePosition = new AtomicLong(0L);
    this.referenceCounter = new AtomicInteger(0);
    this.deleteOnClose = new AtomicBoolean(deleteOnClose);
}

From source file:actor4j.core.DefaultActorThread.java

public DefaultActorThread(ActorSystemImpl system) {
    super(system);

    directiveQueue = new MpscArrayQueue<>(system.getQueueSize());
    priorityQueue = new PriorityBlockingQueue<>(system.getQueueSize());
    serverQueueL2 = new MpscArrayQueue<>(system.getQueueSize());
    serverQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    outerQueueL2 = new MpscArrayQueue<>(system.getQueueSize());
    outerQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    innerQueue = new CircularFifoQueue<>(system.getQueueSize());

    newMessage = new AtomicBoolean(true);
}

From source file:de.taimos.pipeline.aws.cloudformation.EventPrinter.java

public void waitAndPrintStackEvents(String stack, Waiter<DescribeStacksRequest> waiter) {
    Date startDate = new Date();

    final AtomicBoolean done = new AtomicBoolean(false);

    waiter.runAsync(new WaiterParameters<>(new DescribeStacksRequest().withStackName(stack)),
            new WaiterHandler() {
                @Override/*from w w  w  .j a  v a 2 s.c  om*/
                public void onWaitSuccess(AmazonWebServiceRequest request) {
                    done.set(true);
                }

                @Override
                public void onWaitFailure(Exception e) {
                    done.set(true);
                }
            });

    String lastEventId = null;
    this.printLine();
    this.printStackName(stack);
    this.printLine();

    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");

    while (!done.get()) {
        try {
            DescribeStackEventsResult result = this.client
                    .describeStackEvents(new DescribeStackEventsRequest().withStackName(stack));
            List<StackEvent> stackEvents = new ArrayList<>();
            for (StackEvent event : result.getStackEvents()) {
                if (event.getEventId().equals(lastEventId) || event.getTimestamp().before(startDate)) {
                    break;
                }
                stackEvents.add(event);
            }
            if (!stackEvents.isEmpty()) {
                Collections.reverse(stackEvents);
                for (StackEvent event : stackEvents) {
                    this.printEvent(sdf, event);
                    this.printLine();
                }
                lastEventId = stackEvents.get(stackEvents.size() - 1).getEventId();
            }
        } catch (AmazonCloudFormationException e) {
            // suppress and continue
        }
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.alibaba.otter.node.etl.common.io.download.impl.AbstractCommandDownload.java

public AbstractCommandDownload(String cmdPath, String url, String dir, String[] params) {
    this.url = url;
    // ??/* w  w w  .  java  2 s  .c  o m*/
    String fileName = url.substring(url.lastIndexOf("/") + 1).replace("%20", " ");
    // 
    this.targetDir = dir;
    // 
    this.targetFile = new File(this.targetDir, fileName);
    this.buildCmd(cmdPath, params);
    // ??
    completed = new AtomicBoolean(false);
    // 
    aborted = new AtomicBoolean(false);
    // ?, ???
    paused = new AtomicBoolean(false);
    // idle
    status = DownloadStatus.IDLE;
}

From source file:com.miserablemind.api.consumer.tradeking.api.impl.StreamDispatcher.java

public StreamDispatcher(Queue<String> queue, List<StreamListener> listeners) {
    this.queue = queue;
    this.listeners = listeners;
    pool = Executors.newCachedThreadPool();
    objectMapper = new ObjectMapper();
    objectMapper.registerModule(new JodaModule());

    objectMapper.addMixInAnnotations(TradeKingObject.class, TradeKingKObjectMixIn.class);
    objectMapper.addMixInAnnotations(StreamQuoteEvent.class, StreamQuoteMixIn.class);
    objectMapper.addMixInAnnotations(StreamTradeEvent.class, StreamTradeMixIn.class);
    objectMapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true);

    active = new AtomicBoolean(true);
}

From source file:io.pravega.test.integration.selftest.Producer.java

/**
 * Creates a new instance of the Producer class.
 *
 * @param id         The Id of the producer.
 * @param config     Test Configuration.
 * @param dataSource DataSource for the Producer.
 * @param store      A StoreAdapter to execute operations on.
 * @param executor   An Executor to use for async operations.
 *///from   w ww  .  j a  v a2  s . com
Producer(int id, TestConfig config, ProducerDataSource dataSource, StoreAdapter store,
        ScheduledExecutorService executor) {
    super(config, dataSource, store, executor);

    this.id = id;
    this.logId = String.format("Producer[%s]", id);
    this.iterationCount = new AtomicInteger();
    this.canContinue = new AtomicBoolean(true);
}