void JobManager::EndJob(InternalJob::Pointer ptr_job, IStatus::Pointer result, bool notify)
{
Poco::Timestamp::TimeDiff rescheduleDelay(InternalJob::T_NONE);
{
Poco::ScopedLock<Poco::Mutex> lock ( m_mutex);
// if the job is finishing asynchronously, there is nothing more to do for now
if (result == Job::ASYNC_FINISH)
return;
//if job is not known then it cannot be done
if (ptr_job->GetState() == Job::NONE)
return;
ptr_job->SetResult(result);
ptr_job->SetProgressMonitor(IProgressMonitor::Pointer(nullptr));
ptr_job->SetThread(nullptr);
rescheduleDelay = ptr_job->GetStartTime().epochMicroseconds();
InternalJob::Pointer sptr_job(ptr_job);
ChangeState(sptr_job, Job::NONE);
}
//notify listeners outside sync block
bool reschedule = m_active && rescheduleDelay > InternalJob::T_NONE && ptr_job->ShouldSchedule();
if (notify)
m_JobListeners.Done(ptr_job.Cast<Job>(), result, reschedule);
//reschedule the job if requested and we are still active
if (reschedule)
Schedule(ptr_job, rescheduleDelay, reschedule);
}
bool JobManager::RunNow(InternalJob::Pointer sptr_job)
{
{
Poco::ScopedLock<Poco::Mutex> lockMe (m_mutex);
//cannot start if there is a conflicting job
if (FindBlockingJob(sptr_job) != 0)
return false;
ChangeState(sptr_job, Job::RUNNING);
sptr_job->SetProgressMonitor(IProgressMonitor::Pointer(new NullProgressMonitor()));
sptr_job->Run(IProgressMonitor::Pointer(nullptr));
}
return true;
}
Job::Pointer JobManager::StartJob()
{
Job::Pointer job(nullptr);
while (true)
{
job = NextJob();
if (!job)
return Job::Pointer(nullptr);
//must perform this outside sync block because it is third party code
bool shouldRun = job->ShouldRun();
//check for listener veto
if (shouldRun)
m_JobListeners.AboutToRun(job);
//listeners may have canceled or put the job to sleep
bool endJob = false;
{
Poco::ScopedLock<Poco::Mutex> lock(m_mutex);
InternalJob::Pointer internal = job;
if (internal->InternalGetState() == InternalJob::ABOUT_TO_RUN)
{
if (shouldRun && !internal->IsAboutToRunCanceled())
{
internal->SetProgressMonitor(CreateMonitor(job));
//change from ABOUT_TO_RUN to RUNNING
internal->InternalSetState(Job::RUNNING);
break;
}
internal->SetAboutToRunCanceled(false);
endJob = true;
//fall through and end the job below
}
}
if (endJob)
{
//job has been vetoed or canceled, so mark it as done
EndJob(job,Status::CANCEL_STATUS(BERRY_STATUS_LOC), true);
continue;
}
}
m_JobListeners.Running(job);
return job;
}