public void Execute(IJobHandlerConfiguration configuration, ExecutionEntity execution, CommandContext commandContext, string tenantId)
{
var conf = (HistoryCleanupJobHandlerConfiguration)configuration;
//find JobEntity
JobEntity jobEntity = commandContext.JobManager.FindJobByHandlerType(Type);
bool rescheduled = false;
if (conf.ImmediatelyDue || (HistoryCleanupHelper.IsBatchWindowConfigured(commandContext) && HistoryCleanupHelper.IsWithinBatchWindow(ClockUtil.CurrentTime, commandContext)))
{
//find data to delete
HistoryCleanupBatch nextBatch = HistoryCleanupHelper.GetNextBatch(commandContext);
if (nextBatch.Size() >= GetBatchSizeThreshold(commandContext))
{
//delete bunch of data
nextBatch.PerformCleanup();
//ReSchedule now
commandContext.JobManager.ReSchedule(jobEntity, ClockUtil.CurrentTime);
rescheduled = true;
CancelCountEmptyRuns(conf, jobEntity);
}
else
{
//still have something to delete
if (nextBatch.Size() > 0)
{
nextBatch.PerformCleanup();
}
//not enough data for cleanup was found
if (HistoryCleanupHelper.IsWithinBatchWindow(ClockUtil.CurrentTime, commandContext))
{
//ReSchedule after some delay
DateTime nextRunDate = conf.GetNextRunWithDelay(ClockUtil.CurrentTime);
if (HistoryCleanupHelper.IsWithinBatchWindow(nextRunDate, commandContext))
{
commandContext.JobManager.ReSchedule(jobEntity, nextRunDate);
rescheduled = true;
IncrementCountEmptyRuns(conf, jobEntity);
}
}
}
}
if (!rescheduled)
{
if (HistoryCleanupHelper.IsBatchWindowConfigured(commandContext))
{
ReScheduleRegularCall(commandContext, jobEntity);
}
else
{
//nothing more to do, suspend the job
SuspendJob(jobEntity);
}
CancelCountEmptyRuns(conf, jobEntity);
}
}
private void ReScheduleRegularCall(CommandContext commandContext, JobEntity jobEntity)
{
commandContext.JobManager.ReSchedule(jobEntity, HistoryCleanupHelper.GetNextRunWithinBatchWindow(ClockUtil.CurrentTime, commandContext));
}
