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);
}
}
/// <summary>
/// Creates next batch object for history cleanup. First searches for historic process instances ready for cleanup. If
/// there is still some place left in batch
/// (configured batch size was not reached), searches for historic decision instances and also adds them to the batch.
/// </summary>
/// <param name="commandContext">
/// @return
/// </param>
public static HistoryCleanupBatch GetNextBatch(CommandContext commandContext)
{
var batchSize = GetHistoryCleanupBatchSize(commandContext);
var historyCleanupBatch = new HistoryCleanupBatch();
//add process instance ids
IList <string> historicProcessInstanceIds =
commandContext.HistoricProcessInstanceManager.FindHistoricProcessInstanceIdsForCleanup(batchSize.Value);
if (historicProcessInstanceIds.Count > 0)
{
historyCleanupBatch.HistoricProcessInstanceIds = historicProcessInstanceIds;
}
//if batch is not full, add decision instance ids
if (historyCleanupBatch.Size() < batchSize && commandContext.ProcessEngineConfiguration.DmnEnabled)
{
//IList<string> historicDecisionInstanceIds = commandContext.HistoricDecisionInstanceManager.findHistoricDecisionInstanceIdsForCleanup(batchSize - historyCleanupBatch.size());
// if (historicDecisionInstanceIds.Count > 0)
// {
//historyCleanupBatch.HistoricDecisionInstanceIds = historicDecisionInstanceIds;
// }
}
//if batch is not full, add case instance ids
if (historyCleanupBatch.Size() < batchSize && commandContext.ProcessEngineConfiguration.CmmnEnabled)
{
//IList<string> historicCaseInstanceIds = commandContext.HistoricCaseInstanceManager.findHistoricCaseInstanceIdsForCleanup(batchSize - historyCleanupBatch.size());
// if (historicCaseInstanceIds.Count > 0)
// {
//historyCleanupBatch.HistoricCaseInstanceIds = historicCaseInstanceIds;
// }
}
return(historyCleanupBatch);
}