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


      // Wait for the cache server to start up.
      boolean started = false;
      try
      {
         started = startedSignal.await(120, TimeUnit.SECONDS);
      }
      catch (InterruptedException e)
      {
         // do nothing
      }

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        MyReceiver receiver=new MyReceiver(latch);
        ch.setReceiver(receiver);
        ch.connect(GROUP);


        System.out.println("Waiting for " + num_mbrs + " members");
        latch.await();
        View view=ch.getView();
        Address local_addr=ch.getAddress();
        Address dest=pickNextMember(view, local_addr);
        System.out.println("View is " + view + "\n" + num_threads + " threads are sending " + num_msgs + " messages (of " + size + " bytes) to " + dest);

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            tasks[i] = new Task() {
                public void call() throws Exception {
                    for (int a = 0; a < count; a++) {
                        connList[x].createStatement().execute("update test set value=value+1");
                        latch.countDown();
                        latch.await();
                    }
                }
            };
            tasks[i].execute();
        }

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       startLatch.countDown();
       
       try
       {
          boolean finished = finishLatch.await(20, TimeUnit.SECONDS);
          
          if (connectA.exception != null)
          {
             AssertJUnit.fail("connectA threw exception " + connectA.exception);
          }

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        stopFlushLatch.countDown();


        t1.join();
        t2.join();


        assertTrue(flushStopReceived.await(60, TimeUnit.SECONDS));




        assert l1.blockReceived;
        assert l1.unblockReceived;
        assert l2.blockReceived;

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        stopFlushLatch.countDown();


        t1.join();
        t2.join();


        assertTrue(flushStopReceived.await(60, TimeUnit.SECONDS));


        assert l1.blockReceived;
        assert l1.unblockReceived;
        assert l2.blockReceived;
        assert l2.unblockReceived;

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    for (int i = 0; i < THREAD_COUNT; i++) {
      callables.add(new Callable<Object>() {
        public Object call() throws Exception {
          latch.countDown();
          latch.await();
          Mapper processor = mapper.getMappingProcessor();
          assertNotNull(processor);
          return null;
        }
      });

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          }
        }
      }).start();


    }
    latch.await();
    assertTrue(exceptions.isEmpty());
  }


  class CallTrackingMapper extends DozerBeanMapper {
    AtomicInteger calls = new AtomicInteger(0);

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        Assert.assertNotNull(request);


        //now wait until we're complete, but bail if we wait too long
        boolean completed;
        try {
            completed = complete.await(maximumWaitValue, maximumWaitUnits);
        } catch (InterruptedException e) {
            throw UncheckedException.asUncheckedException(e);
        }


        gradlePluginLord.removeRequestObserver( observer );

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        http.write(("" +
                "GET /index.html HTTP/1.1\r\n" +
                "Host: www.example.com\r\n\r\n").getBytes("UTF-8"));
        http.flush();


        assertTrue("Server should have stopped by now", stopper.await(1000, TimeUnit.MILLISECONDS));
    }


    private int getCurrentThreadCount() {
        return Thread.getAllStackTraces().keySet().size();
    }

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