void DeleteHistory()
{
this.History = null;
this.Episode = 0;
this.ExecutionId = null;
this.CachedOrchestrationWorkItem = null;
}
public void EnqueueOrchestrationWorkItem(OrchestrationWorkItem item)
{
this.WorkItemTraceHelper.TraceWorkItemQueued(
this.PartitionId,
WorkItemTraceHelper.WorkItemType.Orchestration,
item.MessageBatch.WorkItemId,
item.InstanceId,
item.Type.ToString(),
WorkItemTraceHelper.FormatMessageIdList(item.MessageBatch.TracedMessages));
this.OrchestrationWorkItemQueue.Add(item);
}
public void Process(BatchProcessed evt, EffectTracker effects)
{
// can add events to the history, or replace it with a new history
// update the stored history
if (this.History == null || evt.State.OrchestrationInstance.ExecutionId != this.ExecutionId)
{
this.History = new List <HistoryEvent>();
this.Episode = 0;
this.ExecutionId = evt.State.OrchestrationInstance.ExecutionId;
}
this.Partition.Assert(!string.IsNullOrEmpty(this.InstanceId) || string.IsNullOrEmpty(this.ExecutionId));
// add all the new events to the history, and update episode number
if (evt.NewEvents != null)
{
for (int i = 0; i < evt.NewEvents.Count; i++)
{
var historyEvent = evt.NewEvents[i];
if (historyEvent.EventType == EventType.OrchestratorStarted)
{
this.Episode++;
}
this.History.Add(evt.NewEvents[i]);
}
}
if (!effects.IsReplaying)
{
this.Partition.EventTraceHelper.TraceInstanceUpdate(
evt.WorkItemId,
evt.State.OrchestrationInstance.InstanceId,
evt.State.OrchestrationInstance.ExecutionId,
this.History.Count,
evt.NewEvents, this.Episode);
// if present, we keep the work item so we can reuse the execution cursor
this.CachedOrchestrationWorkItem = evt.WorkItemForReuse;
if (this.CachedOrchestrationWorkItem != null &&
this.CachedOrchestrationWorkItem.OrchestrationRuntimeState?.OrchestrationInstance?.ExecutionId != evt.State.OrchestrationInstance.ExecutionId)
{
effects.Partition.EventTraceHelper.TraceEventProcessingWarning($"Dropping bad workitem cache instance={this.InstanceId} expected_executionid={evt.State.OrchestrationInstance.ExecutionId} actual_executionid={this.CachedOrchestrationWorkItem.OrchestrationRuntimeState?.OrchestrationInstance?.ExecutionId}");
this.CachedOrchestrationWorkItem = null;
}
}
}