Examples of Latch

EDU.oswego.cs.dl.util.concurrent.Latch
void main() { Latch go = new Latch(); for (int i = 0; i < N; ++i) // make threads new Thread(new Worker(go)).start(); doSomethingElse(); // don't let run yet go.release(); // let all threads proceed } } [ Introduction to this package. ]
com.sleepycat.je.latch.Latch
org.apache.derby.iapi.services.locks.Latch
A Latch represents a latch held in the lock manager.
org.cometd.javascript.Latch
org.mule.util.concurrent.Latch

Examples of EDU.oswego.cs.dl.util.concurrent.Latch

                        && !readLockMap.hasDependency(changeLog)) {
                    activeWriter = new WriteLockImpl(changeLog);
                    activeWriterId = getCurrentThreadId();
                    return activeWriter;
                } else {
                    signal = new Latch();
                    waitingWriters.add(signal);
                }
            } finally {
                exclusive.release();
            }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

                if (activeWriter == null
                        || !hasDependency(activeWriter.changes, id)) {
                    readLockMap.addLock(id);
                    return new ReadLockImpl(id);
                } else {
                    signal = new Latch();
                    waitingReaders.add(signal);
                }
            } finally {
                shared.release();
            }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

                        && !readLockMap.hasDependency(changeLog)) {
                    activeWriter = new WriteLockImpl(changeLog);
                    activeWriterThread = Thread.currentThread();
                    return activeWriter;
                } else {
                    signal = new Latch();
                    waitingWriters.add(signal);
                }
            } finally {
                exclusive.release();
            }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

                        || !hasDependency(activeWriter.changes, id)) {
                    readerCount.incrementAndGet();
                    readLockMap.addLock(id);
                    return new ReadLockImpl(id);
                } else {
                    signal = new Latch();
                    waitingReaders.add(signal);
                }
            } finally {
                shared.release();
            }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

                        && !readLockMap.hasDependency(changeLog)) {
                    activeWriter = new WriteLockImpl(changeLog);
                    activeWriterId = getCurrentThreadId();
                    return activeWriter;
                } else {
                    signal = new Latch();
                    waitingWriters.add(signal);
                }
            } finally {
                exclusive.release();
            }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

  
        conn.start();
  
        final List received = new ArrayList();
        final List received2 = new ArrayList();
        final Latch latch = new Latch();
        final Latch latch2 = new Latch();
  
        new Thread(new Runnable()
        {
           public void run()
           {
              try
              {
                 while(true)
                 {
                    Message m = c.receive(1000);
                    if (m != null)
                    {
                       received.add(m);
                    }
                    else
                    {
                       latch.release();
                       return;
                    }
                 }
              }
              catch(Exception e)
              {
                 log.error("receive failed", e);
              }
           }
        }, "consumer thread 1").start();
  
        new Thread(new Runnable()
        {
           public void run()
           {
              try
              {
                 while(true)
                 {
                    Message m = c2.receive(1000);
                    if (m != null)
                    {
                       received2.add(m);
                    }
                    else
                    {
                       latch2.release();
                       return;
                    }
                 }
              }
              catch(Exception e)
              {
                 log.error("receive failed", e);
              }
           }
        }, "consumer thread 2").start();
  
        latch.acquire();
        latch2.acquire();
  
        assertEquals(5, received.size());
        for(Iterator i = received.iterator(); i.hasNext(); )
        {
           Message m = (Message)i.next();

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

 * */
public class SyncWorkExecutor implements WorkExecutor {


    public void doExecute(WorkerContext work, Executor executor)
            throws WorkException, InterruptedException {
        Latch latch = work.provideEndLatch();
        executor.execute(work);
        latch.acquire();
    }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

 * */
public class StartWorkExecutor implements WorkExecutor {


    public void doExecute(WorkerContext work, Executor executor)
            throws WorkException, InterruptedException {
        Latch latch = work.provideStartLatch();
        executor.execute(work);
        latch.acquire();
    }

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Examples of EDU.oswego.cs.dl.util.concurrent.Latch

        ActiveMQActivationSpec as = new ActiveMQActivationSpec();
        as.setDestination("TEST");
        as.setDestinationType(Queue.class.getName());
            ActivationSpecWrapper asWrapper = new ActivationSpecWrapper(as, raWrapper);


        final Latch messageDelivered = new Latch();
        MessageEndpointFactory messageEndpointFactory = new MessageEndpointFactory() {
            public MessageEndpoint createEndpoint(XAResource resource) throws UnavailableException {
                return new StubMessageEndpoint(etm, resource) {
                    public void onMessage(Message message) {
                        super.onMessage(message);
                        messageDelivered.release();
                    }


                    ;
                };
            }


            public boolean isDeliveryTransacted(Method method) throws NoSuchMethodException {
                return true;
            }
        };


        asWrapper.activate(messageEndpointFactory);


        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(new ActiveMQQueue("TEST"));
        producer.send(session.createTextMessage("Hello"));


        assertTrue(messageDelivered.attempt(1000 * 5));
    }

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Examples of com.sleepycat.je.latch.Latch

            configMgr.getBoolean(EnvironmentParams.LOCK_OLD_LOCK_EXCEPTIONS);
        lockTables = new Map[nLockTables];
        lockTableLatches = new Latch[nLockTables];
        for (int i = 0; i < nLockTables; i++) {
            lockTables[i] = new HashMap<Long,Lock>();
            lockTableLatches[i] = new Latch("Lock Table " + i);
        }
        this.envImpl = envImpl;
        memoryBudget = envImpl.getMemoryBudget();


        stats = new StatGroup(GROUP_NAME, GROUP_DESC);

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