Examples of com.sun.sgs.kernel.TaskReservation.cancel()

        public void reserveAndConsumeTasks() throws Exception {
        SchedulerQueue queue = getQueueInstance();
        TaskReservation reservation =queue.reserveTask(new ScheduledTaskImpl());
        reservation.use();
        reservation = queue.reserveTask(new ScheduledTaskImpl());
        reservation.cancel();
        reservation = queue.reserveTask(new ScheduledTaskImpl(100));
        reservation.use();
        reservation = queue.reserveTask(new ScheduledTaskImpl(120));
        reservation.cancel();
        reservation = queue.reserveTask(new ScheduledTaskImpl(140));

        reservation = queue.reserveTask(new ScheduledTaskImpl());
        reservation.cancel();
        reservation = queue.reserveTask(new ScheduledTaskImpl(100));
        reservation.use();
        reservation = queue.reserveTask(new ScheduledTaskImpl(120));
        reservation.cancel();
        reservation = queue.reserveTask(new ScheduledTaskImpl(140));
        reservation.use();
        assertNotNull(queue.getNextTask(false));
        assertNull(queue.getNextTask(false));
        assertNotNull(queue.getNextTask(true));

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