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.

            adders[i]=new Adder(unicast, latch, counter, seqno, oob, local_addr, sender);
            adders[i].start();
        }


        long start=System.currentTimeMillis();
        latch.countDown(); // starts all adders


        lock.lock();
        try {
            while(delivered_msgs.get() < num_msgs) {
                try {

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            adders[i]=new Sender(unicast, latch, counter, seqno, oob, local_addr, sender);
            adders[i].start();
        }


        long start=System.currentTimeMillis();
        latch.countDown(); // starts all adders


        lock.lock();
        try {
            while(delivered_msgs.get() < num_msgs) {
                try {

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            adders[i]=new Sender(nak, latch, counter, seqno, oob, sender);
            adders[i].start();
        }


        long start=System.currentTimeMillis();
        latch.countDown(); // starts all adders


        lock.lock();
        try {
            while(delivered_msgs.get() < num_msgs) {
                try {

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            adders[i]=new Adder(1, NUM, 10, win, latch);
        }
        for(Adder adder: adders)
            adder.start();


        latch.countDown();


        for(Adder adder: adders)
            adder.join();


        System.out.println("win = " + win);

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        for(int i=0; i < removers.length; i++) {
            removers[i]=new Remover(win, latch, count);
            removers[i].start();
        }


        latch.countDown();


        for(Adder adder: adders)
            adder.join();


        int total=0;

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        @Override
        public void run() {
          try {
            doSimpleGetRequest();
            latch.countDown();
          } catch (Exception e) {
            e.printStackTrace();
          }
        }

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  public void timeoutTest() throws InterruptedException {
    long now = System.currentTimeMillis();
    final CountDownLatch latch = new CountDownLatch(5);
    final AsyncCallback cb = new AsyncCallback() {


      @Override public void onCallback() { latch.countDown(); }


    };


    Timeout t1 = new Timeout(now+1000, cb);
    Timeout t2 = new Timeout(now+1200, cb);

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  @Test
  public void callbackTest() throws InterruptedException {
    final CountDownLatch latch = new CountDownLatch(5);
    final AsyncCallback cb = new AsyncCallback() {


      @Override public void onCallback() { latch.countDown(); }
    
    };
    IOLoop.INSTANCE.addCallback(cb);
    IOLoop.INSTANCE.addCallback(cb);
    IOLoop.INSTANCE.addCallback(cb);

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            for (String header : expectedHeaders) {
              assertTrue(response.getHeader(header) != null);
            }
            assertEquals(expectedPayload.length()+"", response.getHeader("Content-Length"));
          }
          latch.countDown();
          return response;
        }


        @Override
        public void onThrowable(Throwable t){

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


      @Override
      public void onThrowable(Throwable t) { }

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