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prevent re-schedule of cancelled TimerTask

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This commit is contained in:
Guenter Obiltschnig
2014-11-24 18:38:05 +01:00
parent 42c814cca4
commit c2edf4470f
3 changed files with 21 additions and 2 deletions
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15
Util/src/Timer.cpp
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@@ -257,12 +257,14 @@ void Timer::cancel(bool wait)
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time)
{
validateTask(pTask);
_queue.enqueueNotification(new TaskNotification(_queue, pTask), time);
}
void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock)
{
validateTask(pTask);
_queue.enqueueNotification(new TaskNotification(_queue, pTask), clock);
}
@@ -277,12 +279,14 @@ void Timer::schedule(TimerTask::Ptr pTask, long delay, long interval)
void Timer::schedule(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
{
validateTask(pTask);
_queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), time);
}
void Timer::schedule(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
{
validateTask(pTask);
_queue.enqueueNotification(new PeriodicTaskNotification(_queue, pTask, interval), clock);
}
@@ -297,6 +301,7 @@ void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, long delay, long interval)
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long interval)
{
validateTask(pTask);
Poco::Timestamp tsNow;
Poco::Clock clock;
Poco::Timestamp::TimeDiff diff = time - tsNow;
@@ -307,6 +312,7 @@ void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Timestamp time, long
void Timer::scheduleAtFixedRate(TimerTask::Ptr pTask, Poco::Clock clock, long interval)
{
validateTask(pTask);
_queue.enqueueNotification(new FixedRateTaskNotification(_queue, pTask, interval, clock), clock);
}
@@ -322,4 +328,13 @@ void Timer::run()
}
void Timer::validateTask(const TimerTask::Ptr& pTask)
{
if (pTask->isCancelled())
{
throw Poco::IllegalStateException("A cancelled task must not be rescheduled");
}
}
} } // namespace Poco::Util