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

Class java.util.concurrent.CountDownLatch

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

java.util.concurrent.CountDownLatch.countDown()
Decrements the count of the latch, releasing all waiting threads if the count reaches zero.
If the current count is greater than zero then it is decremented. If the new count is zero then all waiting threads are re-enabled for thread scheduling purposes.
If the current count equals zero then nothing happens.

        assertEquals(200, response.getStatusCode());
        assertEquals("OK", response.getStatusText());
        assertEquals(5, response.getHeaders().size());
        String payLoad = response.getResponseBody();
        assertEquals(expectedBody, payLoad);
        latch.countDown();
        return response;
      }


      @Override
      public void onThrowable(Throwable t) { }

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    final int n = 10;
    final CountDownLatch latch = new CountDownLatch(n);
    for (int i = 0; i < n; i++) {
      IOLoop.INSTANCE.addCallback(new AsyncCallback() { public void onCallback() { server.listen(PORT+1); }});
      IOLoop.INSTANCE.addCallback(new AsyncCallback() { public void onCallback() { server.stop(); latch.countDown(); }});
    }
    latch.await(5, TimeUnit.SECONDS);
    assertEquals(0, latch.getCount());
  }

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        client.fetch(unresolvableAddress, new AsyncResult<org.deftserver.web.http.client.HttpResponse>() {


          public void onSuccess(org.deftserver.web.http.client.HttpResponse result) { client.close(); }


          public void onFailure(Throwable caught) { 
            if (caught instanceof UnresolvedAddressException) latch.countDown();
            client.close();
          }
        });
      }
    };

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        client.fetch(unconnectableAddress, new AsyncResult<org.deftserver.web.http.client.HttpResponse>() {


          public void onSuccess(org.deftserver.web.http.client.HttpResponse result) { client.close(); }


          public void onFailure(Throwable caught) { 
            if (caught instanceof ConnectException) latch.countDown();
            client.close();
          }
        });
      }
    };

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        new AsyncResult<org.deftserver.web.http.client.HttpResponse>() {


        public void onSuccess(org.deftserver.web.http.client.HttpResponse response) { 
          result[0] = response.getBody();
          result[1] = response.getStatusLine();
          latch.countDown(); 
        }


        public void onFailure(Throwable ignore) { }
      };
      // make sure that the http.fetch(..) is invoked from the ioloop thread

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    final AsyncResult<org.deftserver.web.http.client.HttpResponse> cb =
      new AsyncResult<org.deftserver.web.http.client.HttpResponse>() {


      public void onSuccess(org.deftserver.web.http.client.HttpResponse response) { }


      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());

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         };


         workers[i].start();
      }


      latch.countDown();


      for (Thread t : workers)
         t.join();


      for (Exception e : exceptions)

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      ViewChangeListener viewChangeListener = new ViewChangeListener(cache2);
      stopCache1(false);
      cache2.getInvocationContext().getOptionOverrides().setCacheModeLocal(true);
      cache2.getInvocationContext().getOptionOverrides().setSuppressPersistence(true);
      cache2.put(fqn("/e/i"), "i-key", "i-value");
      startPushLatch.countDown();
      viewChangeListener.waitForViewChange(60, TimeUnit.SECONDS);


      waitForPushStateCompletion(scl2.getPushStateFuture());


      assertTrue(cl2.exists(fqn("/a")));

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      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();
         fail("Should have timed out");

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            t[j] = new Worker(latch, NUM_FQNS_PER_RUN * i,
                  NUM_FQNS_PER_RUN, modificationsPerTx);
            t[j].start();
         }
         // fire the workers to start processing
         latch.countDown();
         // wait for all workers to complete
         for (Worker worker : t)
         {
            worker.join();
         }

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