Examples of java.util.concurrent.CountDownLatch.await()

Class java.util.concurrent.CountDownLatch

Examples of java.util.concurrent.CountDownLatch.await()

java.util.concurrent.CountDownLatch.await()
Causes the current thread to wait until the latch has counted down to zero, unless the thread is {@linkplain Thread#interrupt interrupted}.
If the current count is zero then this method returns immediately.
If the current count is greater than zero then the current thread becomes disabled for thread scheduling purposes and lies dormant until one of two things happen:
- The count reaches zero due to invocations of the {@link #countDown} method; or
- Some other thread {@linkplain Thread#interrupt interrupts}the current thread.
If the current thread:
- has its interrupted status set on entry to this method; or
- is {@linkplain Thread#interrupt interrupted} while waiting,
then {@link InterruptedException} is thrown and the current thread'sinterrupted status is cleared. @throws InterruptedException if the current thread is interruptedwhile waiting


        public void onFailure(Throwable ignore) { }
      };
      // make sure that the http.fetch(..) is invoked from the ioloop thread
      IOLoop.INSTANCE.addCallback(new AsyncCallback() { public void onCallback() { http.fetch(url, cb); }});
      latch.await(5, TimeUnit.SECONDS);
      assertEquals(0, latch.getCount());
      assertEquals("hello test", result[0]);
      assertEquals("HTTP/1.1 200 OK", result[1]);
    }
  }

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      public void onFailure(Throwable e) { if (e instanceof ConnectException) latch.countDown(); }
    };
    // make sure that the http.fetch(..) is invoked from the ioloop thread
    IOLoop.INSTANCE.addCallback(new AsyncCallback() { public void onCallback() { http.fetch(url, cb); }});
    latch.await(5, TimeUnit.SECONDS);
    assertEquals(0, latch.getCount());
  }
  
  
  public String convertStreamToString(InputStream is) throws IOException {

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         {
            public void run()
            {
               try
               {
                  latch.await();
               }
               catch (InterruptedException e)
               {
               }

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      final CountDownLatch pushStateCanFinish = new CountDownLatch(1);
      final CountDownLatch secondActiveStatusChangerCanStart = new CountDownLatch(1);
      final MockSingletonStoreCacheLoader mscl = new MockSingletonStoreCacheLoader(pushStateCanFinish, secondActiveStatusChangerCanStart, new SingletonStoreDefaultConfig());


      Future f1 = executor.submit(createActiveStatusChanger(mscl));
      secondActiveStatusChangerCanStart.await();


      Future f2 = executor.submit(createActiveStatusChanger(mscl));


      f1.get();
      f2.get();

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      SingletonStoreDefaultConfig ssdc = new SingletonStoreDefaultConfig();
      ssdc.setPushStateWhenCoordinatorTimeout(1000);
      final MockSingletonStoreCacheLoader mscl = new MockSingletonStoreCacheLoader(pushStateCanFinish, null, ssdc);


      Future f = Executors.newSingleThreadExecutor().submit(createActiveStatusChanger(mscl));
      pushStateCanFinish.await(2000, TimeUnit.MILLISECONDS);
      pushStateCanFinish.countDown();


      try
      {
         f.get();

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      {
         public void run()
         {
            try
            {
               latch.await();
               for (int i = 0; i < loops; i++)
               {
                  Fqn f = singleFqn ? fqn : fqns.get(r.nextInt(fqns.size()));
                  cache1.evict(f);
                  TestingUtil.sleepRandom(50);

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      {
         public void run()
         {
            try
            {
               latch.await();
               for (int i = 0; i < loops; i++)
               {
                  Fqn f = singleFqn ? fqn : fqns.get(r.nextInt(fqns.size()));
                  cache2.put(f, "k", "v");
                  TestingUtil.sleepRandom(50);

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      {
         public void run()
         {
            try
            {
               latch.await();
               for (int i = 0; i < loops; i++)
               {
                  loader1.get(singleFqn ? fqn : fqns.get(r.nextInt(fqns.size())));
                  TestingUtil.sleepRandom(50);
               }

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      {
         public void run()
         {
            try
            {
               latch.await();
               for (int i = 0; i < loops; i++)
               {
                  loader1.getChildrenNames(singleFqn ? fqn : fqns.get(r.nextInt(fqns.size())));
                  TestingUtil.sleepRandom(50);
               }

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         {
            public void run()
            {
               try
               {
                  latch.await();
               }
               catch (InterruptedException e)
               {
                  // do nothing
               }

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