Example usage for java.util.concurrent CountDownLatch countDown

List of usage examples for java.util.concurrent CountDownLatch countDown

  1. HOME
  2. Java
  3. java
  4. java.util.concurrent.*
  5. CountDownLatch
  6. countDown

Introduction

In this page you can find the example usage for java.util.concurrent CountDownLatch countDown.

Prototype

public void countDown()

Source Link

Document

Decrements the count of the latch, releasing all waiting threads if the count reaches zero.

Usage

From source file:com.vmware.photon.controller.api.client.resource.DisksRestApiTest.java

@Test
public void testDeleteAsync() throws IOException, InterruptedException {
    final Task responseTask = new Task();
    responseTask.setId("12345");
    responseTask.setState("QUEUED");
    responseTask.setQueuedTime(Date.from(Instant.now()));

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(responseTask);

    setupMocks(serializedTask, HttpStatus.SC_CREATED);

    DisksApi disksApi = new DisksRestApi(restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    disksApi.deleteAsync("persistentDisk", new FutureCallback<Task>() {
        @Override//from  w w w.j av a2s  .c o m
        public void onSuccess(@Nullable Task result) {
            assertEquals(result, responseTask);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
    ;
}

From source file:com.googlecode.xmlzen.XmlSlicerTest.java

@Test
public void testXmlSlicerListConcurrency() throws Exception {
    final CountDownLatch latch = new CountDownLatch(SLICER_ITERATIONS);
    final XmlSlicerList xsl = new XmlSlicerList();
    xsl.add(XmlSlicer.cut("1"));
    xsl.add(XmlSlicer.cut("2"));
    xsl.add(XmlSlicer.cut("3"));
    for (int i = 0; i < SLICER_ITERATIONS; i++) {
        new Thread(new Runnable() {
            public void run() {
                assertEquals(Arrays.asList(new String[] { "1", "2", "3" }), xsl.asList());
                latch.countDown();
            }//  w  ww .  j  av  a  2  s.c  om
        }).start();
    }
    latch.await();
}

From source file:com.vmware.photon.controller.api.client.resource.ImagesApiTest.java

@Test
public void testDeleteImageAsync() throws IOException, InterruptedException {
    final Task responseTask = new Task();
    responseTask.setId("12345");
    responseTask.setState("QUEUED");
    responseTask.setQueuedTime(Date.from(Instant.now()));

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(responseTask);

    setupMocks(serializedTask, HttpStatus.SC_CREATED);

    ImagesApi imagesApi = new ImagesApi(this.restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    imagesApi.deleteAsync("foo", new FutureCallback<Task>() {
        @Override/*from w ww . jav  a 2  s.  c o m*/
        public void onSuccess(@Nullable Task result) {
            assertEquals(result, responseTask);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
}

From source file:com.vmware.photon.controller.api.client.resource.ImagesRestApiTest.java

@Test
public void testDeleteImageAsync() throws IOException, InterruptedException {
    final Task responseTask = new Task();
    responseTask.setId("12345");
    responseTask.setState("QUEUED");
    responseTask.setQueuedTime(Date.from(Instant.now()));

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(responseTask);

    setupMocks(serializedTask, HttpStatus.SC_CREATED);

    ImagesApi imagesApi = new ImagesRestApi(this.restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    imagesApi.deleteAsync("foo", new FutureCallback<Task>() {
        @Override// ww  w.j  a v  a2  s  .  c  om
        public void onSuccess(@Nullable Task result) {
            assertEquals(result, responseTask);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
}

From source file:ninja.eivind.hotsreplayuploader.files.tempwatcher.RecursiveTempWatcherTest.java

@Test
public void testCallbackIsInvokedWhenRelevantFileIsDiscovered() throws Exception {
    CountDownLatch latch = new CountDownLatch(1);
    final File[] fileAccessor = new File[1];
    final File tempWriteReplayFolder = new File(directories.getRemainder(), "TempWriteReplayP99");
    final File target = new File(tempWriteReplayFolder, BattleLobbyWatcher.REPLAY_SERVER_BATTLELOBBY);
    tempWatcher.setCallback(file -> {
        fileAccessor[0] = file;/*from w ww.j a va2  s .com*/
        latch.countDown();
    });

    if (!(tempWriteReplayFolder.mkdirs() && target.createNewFile())) {
        fail("Could not create file to drop target " + target + " in");
    }

    if (!latch.await(50000, TimeUnit.MILLISECONDS)) {
        fail("Latch was not tripped.");
    }

    final String expected = target.getName();
    final String actual = fileAccessor[0].getName();

    assertEquals(expected, actual);
}

From source file:com.hortonworks.streamline.streams.runtime.storm.bolt.rules.WindowRulesBoltTest.java

private boolean doTest(String rulesJson, int expectedExecuteCount, Function<Integer, Tuple> tupleGen)
        throws Exception {
    RulesProcessor rulesProcessor = Utils.createObjectFromJson(rulesJson, RulesProcessor.class);
    Window windowConfig = rulesProcessor.getRules().get(0).getWindow();
    final CountDownLatch latch = new CountDownLatch(expectedExecuteCount);
    WindowRulesBolt wb = new WindowRulesBolt(rulesJson, RuleProcessorRuntime.ScriptType.SQL) {
        @Override//from w  w  w . j  av  a 2 s . c o m
        public void execute(TupleWindow inputWindow) {
            super.execute(inputWindow);
            latch.countDown();
        }
    };
    wb.withWindowConfig(windowConfig);
    WindowedBoltExecutor wbe = new WindowedBoltExecutor(wb);
    Map<String, Object> conf = wb.getComponentConfiguration();
    conf.put("topology.message.timeout.secs", 30);
    wbe.prepare(conf, mockContext, mockCollector);
    Thread.sleep(100);
    for (int i = 1; i <= 20; i++) {
        wbe.execute(tupleGen.apply(i));
    }
    // wait for up to 5 secs for the bolt's execute to finish
    return latch.await(5, TimeUnit.SECONDS);
}

From source file:com.vmware.photon.controller.api.client.resource.ImagesApiTest.java

@Test
public void testGetImageAsync() throws IOException, InterruptedException {
    final Image image = new Image();
    image.setId("image1");

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(image);

    setupMocks(serializedTask, HttpStatus.SC_OK);

    ImagesApi imagesApi = new ImagesApi(this.restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    imagesApi.getImageAsync(image.getId(), new FutureCallback<Image>() {
        @Override/*  w  w w  .j a v  a 2 s.c o  m*/
        public void onSuccess(@Nullable Image result) {
            assertEquals(result, image);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
}

From source file:com.vmware.photon.controller.api.client.resource.ImagesRestApiTest.java

@Test
public void testGetImageAsync() throws IOException, InterruptedException {
    final Image image = new Image();
    image.setId("image1");

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(image);

    setupMocks(serializedTask, HttpStatus.SC_OK);

    ImagesApi imagesApi = new ImagesRestApi(this.restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    imagesApi.getImageAsync(image.getId(), new FutureCallback<Image>() {
        @Override/* w  ww . j  a  va2s .  co m*/
        public void onSuccess(@Nullable Image result) {
            assertEquals(result, image);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
}

From source file:com.gitpitch.services.OfflineService.java

private void releaseCountDownLatch(ConcurrentHashMap<String, CountDownLatch> latchMap, String latchKey) {

    CountDownLatch completedLatch = latchMap.remove(latchKey);

    if (completedLatch != null) {
        completedLatch.countDown();
    }//w  ww. ja  v a  2s .c om

}

From source file:com.vmware.photon.controller.api.client.resource.DisksApiTest.java

@Test
public void testGetDiskAsync() throws IOException, InterruptedException {
    final PersistentDisk persistentDisk = new PersistentDisk();
    persistentDisk.setId("persistentDisk");

    ObjectMapper mapper = new ObjectMapper();
    String serializedTask = mapper.writeValueAsString(persistentDisk);

    setupMocks(serializedTask, HttpStatus.SC_OK);

    DisksApi disksApi = new DisksApi(restClient);
    final CountDownLatch latch = new CountDownLatch(1);

    disksApi.getDiskAsync("disk1", new FutureCallback<PersistentDisk>() {
        @Override//  www.j  a v  a 2 s .c o  m
        public void onSuccess(@Nullable PersistentDisk result) {
            assertEquals(result, persistentDisk);
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            fail(t.toString());
            latch.countDown();
        }
    });

    assertThat(latch.await(COUNTDOWNLATCH_AWAIT_TIMEOUT, TimeUnit.SECONDS), is(true));
}