Examples of java.util.TimerTask.cancel()

java.util.TimerTask.cancel()
Cancels this timer task. If the task has been scheduled for one-time execution and has not yet run, or has not yet been scheduled, it will never run. If the task has been scheduled for repeated execution, it will never run again. (If the task is running when this call occurs, the task will run to completion, but will never run again.)
Note that calling this method from within the run method of a repeating timer task absolutely guarantees that the timer task will not run again.
This method may be called repeatedly; the second and subsequent calls have no effect. @return true if this task is scheduled for one-time execution and hasnot yet run, or this task is scheduled for repeated execution. Returns false if the task was scheduled for one-time execution and has already run, or if the task was never scheduled, or if the task was already cancelled. (Loosely speaking, this method returns true if it prevents one or more scheduled executions from taking place.)

                Thread.sleep(1000);
            }
        }


        // Stop the timer, server should be up now
        timeoutTask.cancel();


        log.info("Geronimo server started in " + watch);


        if (!background) {
            log.info("Waiting for Geronimo server to shutdown...");

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      try {
        Thread.sleep(100);
      } catch (InterruptedException ignored) {
      }
    }
    failTask.cancel();
    if (fail) fail("Test did not complete in a timely manner.");
    // Give sockets a chance to close before starting the next test.
    try {
      Thread.sleep(1000);
    } catch (InterruptedException ignored) {

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    }


    public synchronized void cancel(Runnable task) {
        TimerTask ticket = timerTasks.remove(task);
        if (ticket != null) {
            ticket.cancel();
            timer.purge(); // remove cancelled TimerTasks
        }
    }


    public synchronized void executeAfterDelay(final Runnable task, long redeliveryDelay) {

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                    t.onEvent(Mailbox.this, timedOut);
                }
            };
            Task.timer.schedule(tt, timeoutMillis);
            Task.pause(this);
            tt.cancel();
            removeMsgAvailableListener(t);
            msg = get(t);
            
            timeoutMillis = end - System.currentTimeMillis();
            if (timeoutMillis <= 0) {

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                  t.onEvent(Mailbox.this, timedOut);
        }
      };
      Task.timer.schedule(tt, timeoutMillis);
      Task.pause(this);
      tt.cancel();
      has_msg = hasMessage(t);
      timeoutMillis = end - System.currentTimeMillis();
      if (timeoutMillis <= 0) {
              removeMsgAvailableListener(t);
        break;

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                  t.onEvent(Mailbox.this, timedOut);
        }
      };
      Task.timer.schedule(tt, timeoutMillis);
      Task.pause(this);
      if (!tt.cancel()) {
              removeMsgAvailableListener(t);
      }


      has_msg = hasMessages(num, t);
      timeoutMillis = end - System.currentTimeMillis();

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                        t.onEvent(Cell.this, timedOut);
                    }
                };
            Task.timer.schedule(tt, timeoutMillis);
            Task.pause(this);
            tt.cancel();
            if (System.currentTimeMillis() - begin > timeoutMillis) {
                break;
            }
            removeMsgAvailableListener(t);
            msg = get(t);

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        for (Iterator iterator = ids.iterator(); iterator.hasNext();) {
            Long idLong = (Long) iterator.next();
            WorkInfo workInfo = getWorkInfo(idLong);
            if (workInfo != null) {
                TimerTask timerTask = workInfo.getExecutorFeedingTimerTask();
                timerTask.cancel();
            }
        }
    }


    void addWorkInfo(WorkInfo worker) {

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            // by the "active" boolean flag
            TimerTask task = statusTaskMap.remove(identity);
            if (task != null) {
                // if there was a timer task pending, then we've just negated
                // it with the new status, so cancel the task
                task.cancel();
            } else {
                // there was no pending task, so set one up
                task = new StatusChangeTask(identity, active);
                statusTaskMap.put(identity, task);
                statusUpdateTimer.schedule(task, voteDelay);

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     */
    public static void cancel(MonitorAction action)
    {
        TimerTask task = __tasks.remove(action.getID());
        if (task != null)
            task.cancel();
    }


    /* ------------------------------------------------------------ */
    /**
     * This method is invoked when poll interval has elapsed

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