Examples of edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch.countDown()

Package edu.emory.mathcs.backport.java.util.concurrent

Class edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch

Examples of edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch.countDown()

edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch.countDown()
Decrements the count of the latch, releasing all waiting threads if the count reaches zero.
If the current {@link #getCount count} is greater than zero thenit is decremented. If the new count is zero then all waiting threads are re-enabled for thread scheduling purposes.
If the current {@link #getCount count} equals zero then nothinghappens.

                          doneCountDownLatch.countDown();
                    }
                } catch (Throwable e) {
                    e.printStackTrace();
                  errorMessage[0]="Got exception: "+e;
                  doneCountDownLatch.countDown();
                }
            }
        });
        connection.start();

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            }


            log.debug("Checkpoint done.");
        }
        finally {
            latch.countDown();
        }
        synchronized(this) {
            return this.fullCheckPoint;
        }

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            }


            log.debug("Checkpoint done.");
        }
        finally {
            latch.countDown();
        }
        synchronized(this) {
            return this.fullCheckPoint;
        }

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            }


            log.debug("Checkpoint done.");
        }
        finally {
            latch.countDown();
        }
        synchronized(this) {
            return this.fullCheckPoint;
        }

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        final CountDownLatch messageDelivered = new CountDownLatch(1);
        
        final StubMessageEndpoint endpoint = new StubMessageEndpoint() {
            public void onMessage(Message message) {
                super.onMessage(message);
                messageDelivered.countDown();
            };
        };
        
        ActiveMQActivationSpec activationSpec = new ActiveMQActivationSpec();
        activationSpec.setDestinationType(Queue.class.getName());

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                    producer.close();
                } catch (JMSException e) {
                    e.printStackTrace();
                } finally {
                    safeClose(connection2);
                    producerDoneLatch.countDown();
                }
                
            }
        }.start();

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            public void onMessage(Message m) {
                counter.incrementAndGet();
                if( counter.get()==1 )
                    done1.countDown();
                if( counter.get()==2 )
                    done2.countDown();
            }
        });


        // Send a first message to make sure that the consumer dispatcher is running
        sendMessages(session, destination, 1);

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        // See if the message get sent to the listener
        consumer.setMessageListener(new MessageListener() {
            public void onMessage(Message m) {
                counter.incrementAndGet();
                if( counter.get()==4 )
                    done.countDown();
            }
        });


        assertTrue(done.await(1000, TimeUnit.MILLISECONDS));
        Thread.sleep(200);

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                    counter.incrementAndGet();
                    m.acknowledge();
                    if( counter.get()==2 ) {
                      sendDone.await();
                        connection.close();
                        got2Done.countDown();
                    }
                } catch (Throwable e) {
                    e.printStackTrace();
                }
            }

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                    TextMessage tm = (TextMessage)m;
                    log.info("Got in second listener: "+tm.getText());
                    assertEquals( ""+counter.get(), tm.getText() );
                    counter.incrementAndGet();
                    if( counter.get()==4 )
                        done2.countDown();
                } catch (Throwable e) {
                    e.printStackTrace();
                }
            }
        });

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