public void HandleExecutionTerminatedEvent(ExecutionTerminatedEvent terminatedEvent)
{
if (!executionTerminated)
{
executionTerminated = true;
CompleteOrchestration(terminatedEvent.Input, null, OrchestrationStatus.Terminated);
}
}
/// <inheritdoc />
public override async Task UpdateStateAsync(OrchestrationRuntimeState runtimeState, string instanceId, string executionId)
{
IList <HistoryEvent> newEvents = runtimeState.NewEvents;
IList <HistoryEvent> allEvents = runtimeState.Events;
var newEventListBuffer = new StringBuilder(4000);
var historyEventBatch = new TableBatchOperation();
EventType?orchestratorEventType = null;
string eTagValue = this.GetETagValue(instanceId);
DynamicTableEntity orchestrationInstanceUpdate = new DynamicTableEntity(instanceId, "")
{
Properties =
{
["CustomStatus"] = new EntityProperty(runtimeState.Status),
["ExecutionId"] = new EntityProperty(executionId),
["LastUpdatedTime"] = new EntityProperty(newEvents.Last().Timestamp),
}
};
for (int i = 0; i < newEvents.Count; i++)
{
HistoryEvent historyEvent = newEvents[i];
DynamicTableEntity entity = this.tableEntityConverter.ConvertToTableEntity(historyEvent);
await this.CompressLargeMessageAsync(entity);
newEventListBuffer.Append(historyEvent.EventType.ToString()).Append(',');
// The row key is the sequence number, which represents the chronological ordinal of the event.
long sequenceNumber = i + (allEvents.Count - newEvents.Count);
entity.RowKey = sequenceNumber.ToString("X16");
entity.PartitionKey = instanceId;
entity.Properties["ExecutionId"] = new EntityProperty(executionId);
// Replacement can happen if the orchestration episode gets replayed due to a commit failure in one of the steps below.
historyEventBatch.InsertOrReplace(entity);
// Table storage only supports inserts of up to 100 entities at a time.
if (historyEventBatch.Count == 99)
{
eTagValue = await this.UploadHistoryBatch(instanceId, executionId, historyEventBatch, newEventListBuffer, newEvents.Count, eTagValue);
// Reset local state for the next batch
newEventListBuffer.Clear();
historyEventBatch.Clear();
}
// Monitor for orchestration instance events
switch (historyEvent.EventType)
{
case EventType.ExecutionStarted:
orchestratorEventType = historyEvent.EventType;
ExecutionStartedEvent executionStartedEvent = (ExecutionStartedEvent)historyEvent;
orchestrationInstanceUpdate.Properties["Name"] = new EntityProperty(executionStartedEvent.Name);
orchestrationInstanceUpdate.Properties["Version"] = new EntityProperty(executionStartedEvent.Version);
orchestrationInstanceUpdate.Properties["CreatedTime"] = new EntityProperty(executionStartedEvent.Timestamp);
orchestrationInstanceUpdate.Properties["RuntimeStatus"] = new EntityProperty(OrchestrationStatus.Running.ToString());
this.SetTablePropertyForMessage(entity, orchestrationInstanceUpdate, InputProperty, InputProperty, executionStartedEvent.Input);
break;
case EventType.ExecutionCompleted:
orchestratorEventType = historyEvent.EventType;
ExecutionCompletedEvent executionCompleted = (ExecutionCompletedEvent)historyEvent;
this.SetTablePropertyForMessage(entity, orchestrationInstanceUpdate, ResultProperty, OutputProperty, executionCompleted.Result);
orchestrationInstanceUpdate.Properties["RuntimeStatus"] = new EntityProperty(executionCompleted.OrchestrationStatus.ToString());
break;
case EventType.ExecutionTerminated:
orchestratorEventType = historyEvent.EventType;
ExecutionTerminatedEvent executionTerminatedEvent = (ExecutionTerminatedEvent)historyEvent;
this.SetTablePropertyForMessage(entity, orchestrationInstanceUpdate, InputProperty, OutputProperty, executionTerminatedEvent.Input);
orchestrationInstanceUpdate.Properties["RuntimeStatus"] = new EntityProperty(OrchestrationStatus.Terminated.ToString());
break;
case EventType.ContinueAsNew:
orchestratorEventType = historyEvent.EventType;
ExecutionCompletedEvent executionCompletedEvent = (ExecutionCompletedEvent)historyEvent;
this.SetTablePropertyForMessage(entity, orchestrationInstanceUpdate, ResultProperty, OutputProperty, executionCompletedEvent.Result);
orchestrationInstanceUpdate.Properties["RuntimeStatus"] = new EntityProperty(OrchestrationStatus.ContinuedAsNew.ToString());
break;
}
}
// First persistence step is to commit history to the history table. Messages must come after.
if (historyEventBatch.Count > 0)
{
eTagValue = await this.UploadHistoryBatch(instanceId, executionId, historyEventBatch, newEventListBuffer, newEvents.Count, eTagValue);
}
if (orchestratorEventType == EventType.ExecutionCompleted ||
orchestratorEventType == EventType.ExecutionFailed ||
orchestratorEventType == EventType.ExecutionTerminated)
{
this.eTagValues.TryRemove(instanceId, out _);
}
else
{
this.eTagValues[instanceId] = eTagValue;
}
Stopwatch orchestrationInstanceUpdateStopwatch = Stopwatch.StartNew();
await this.instancesTable.ExecuteAsync(TableOperation.InsertOrMerge(orchestrationInstanceUpdate));
this.stats.StorageRequests.Increment();
this.stats.TableEntitiesWritten.Increment();
AnalyticsEventSource.Log.InstanceStatusUpdate(
this.storageAccountName,
this.taskHubName,
instanceId,
executionId,
orchestratorEventType?.ToString() ?? string.Empty,
orchestrationInstanceUpdateStopwatch.ElapsedMilliseconds);
}
HistoryEvent GenerateAbridgedEvent(HistoryEvent evt)
{
HistoryEvent returnedEvent = evt;
if (evt is TaskScheduledEvent)
{
var sourceEvent = (TaskScheduledEvent) evt;
returnedEvent = new TaskScheduledEvent(sourceEvent.EventId)
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
Name = sourceEvent.Name,
Version = sourceEvent.Version,
Input = "[..snipped..]",
};
}
else if (evt is TaskCompletedEvent)
{
var sourceEvent = (TaskCompletedEvent) evt;
returnedEvent = new TaskCompletedEvent(sourceEvent.EventId, sourceEvent.TaskScheduledId, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is SubOrchestrationInstanceCreatedEvent)
{
var sourceEvent = (SubOrchestrationInstanceCreatedEvent) evt;
returnedEvent = new SubOrchestrationInstanceCreatedEvent(sourceEvent.EventId)
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
Name = sourceEvent.Name,
Version = sourceEvent.Version,
Input = "[..snipped..]",
};
}
else if (evt is SubOrchestrationInstanceCompletedEvent)
{
var sourceEvent = (SubOrchestrationInstanceCompletedEvent) evt;
returnedEvent = new SubOrchestrationInstanceCompletedEvent(sourceEvent.EventId,
sourceEvent.TaskScheduledId, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is TaskFailedEvent)
{
var sourceEvent = (TaskFailedEvent) evt;
returnedEvent = new TaskFailedEvent(sourceEvent.EventId,
sourceEvent.TaskScheduledId, sourceEvent.Reason, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is SubOrchestrationInstanceFailedEvent)
{
var sourceEvent = (SubOrchestrationInstanceFailedEvent) evt;
returnedEvent = new SubOrchestrationInstanceFailedEvent(sourceEvent.EventId,
sourceEvent.TaskScheduledId, sourceEvent.Reason, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is ExecutionStartedEvent)
{
var sourceEvent = (ExecutionStartedEvent) evt;
returnedEvent = new ExecutionStartedEvent(sourceEvent.EventId, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is ExecutionCompletedEvent)
{
var sourceEvent = (ExecutionCompletedEvent) evt;
returnedEvent = new ExecutionCompletedEvent(sourceEvent.EventId, "[..snipped..]",
sourceEvent.OrchestrationStatus)
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
else if (evt is ExecutionTerminatedEvent)
{
var sourceEvent = (ExecutionTerminatedEvent) evt;
returnedEvent = new ExecutionTerminatedEvent(sourceEvent.EventId, "[..snipped..]")
{
Timestamp = sourceEvent.Timestamp,
IsPlayed = sourceEvent.IsPlayed,
};
}
// ContinueAsNewEvent is covered by the ExecutionCompletedEvent block
return returnedEvent;
}
HistoryEvent GenerateAbridgedEvent(HistoryEvent evt)
{
HistoryEvent returnedEvent = evt;
if (evt is TaskScheduledEvent taskScheduledEvent)
{
returnedEvent = new TaskScheduledEvent(taskScheduledEvent.EventId)
{
Timestamp = taskScheduledEvent.Timestamp,
IsPlayed = taskScheduledEvent.IsPlayed,
Name = taskScheduledEvent.Name,
Version = taskScheduledEvent.Version,
Input = "[..snipped..]",
};
}
else if (evt is TaskCompletedEvent taskCompletedEvent)
{
returnedEvent = new TaskCompletedEvent(taskCompletedEvent.EventId, taskCompletedEvent.TaskScheduledId, "[..snipped..]")
{
Timestamp = taskCompletedEvent.Timestamp,
IsPlayed = taskCompletedEvent.IsPlayed,
};
}
else if (evt is SubOrchestrationInstanceCreatedEvent subOrchestrationInstanceCreatedEvent)
{
returnedEvent = new SubOrchestrationInstanceCreatedEvent(subOrchestrationInstanceCreatedEvent.EventId)
{
Timestamp = subOrchestrationInstanceCreatedEvent.Timestamp,
IsPlayed = subOrchestrationInstanceCreatedEvent.IsPlayed,
Name = subOrchestrationInstanceCreatedEvent.Name,
Version = subOrchestrationInstanceCreatedEvent.Version,
Input = "[..snipped..]",
};
}
else if (evt is SubOrchestrationInstanceCompletedEvent subOrchestrationInstanceCompletedEvent)
{
returnedEvent = new SubOrchestrationInstanceCompletedEvent(subOrchestrationInstanceCompletedEvent.EventId,
subOrchestrationInstanceCompletedEvent.TaskScheduledId, "[..snipped..]")
{
Timestamp = subOrchestrationInstanceCompletedEvent.Timestamp,
IsPlayed = subOrchestrationInstanceCompletedEvent.IsPlayed,
};
}
else if (evt is TaskFailedEvent taskFailedEvent)
{
returnedEvent = new TaskFailedEvent(taskFailedEvent.EventId,
taskFailedEvent.TaskScheduledId, taskFailedEvent.Reason, "[..snipped..]")
{
Timestamp = taskFailedEvent.Timestamp,
IsPlayed = taskFailedEvent.IsPlayed,
};
}
else if (evt is SubOrchestrationInstanceFailedEvent subOrchestrationInstanceFailedEvent)
{
returnedEvent = new SubOrchestrationInstanceFailedEvent(subOrchestrationInstanceFailedEvent.EventId,
subOrchestrationInstanceFailedEvent.TaskScheduledId, subOrchestrationInstanceFailedEvent.Reason, "[..snipped..]")
{
Timestamp = subOrchestrationInstanceFailedEvent.Timestamp,
IsPlayed = subOrchestrationInstanceFailedEvent.IsPlayed,
};
}
else if (evt is ExecutionStartedEvent executionStartedEvent)
{
returnedEvent = new ExecutionStartedEvent(executionStartedEvent.EventId, "[..snipped..]")
{
Timestamp = executionStartedEvent.Timestamp,
IsPlayed = executionStartedEvent.IsPlayed,
};
}
else if (evt is ExecutionCompletedEvent executionCompletedEvent)
{
returnedEvent = new ExecutionCompletedEvent(executionCompletedEvent.EventId, "[..snipped..]",
executionCompletedEvent.OrchestrationStatus)
{
Timestamp = executionCompletedEvent.Timestamp,
IsPlayed = executionCompletedEvent.IsPlayed,
};
}
else if (evt is ExecutionTerminatedEvent executionTerminatedEvent)
{
returnedEvent = new ExecutionTerminatedEvent(executionTerminatedEvent.EventId, "[..snipped..]")
{
Timestamp = executionTerminatedEvent.Timestamp,
IsPlayed = executionTerminatedEvent.IsPlayed,
};
}
// ContinueAsNewEvent is covered by the ExecutionCompletedEvent block
return(returnedEvent);
}
public static HistoryEvent GetHistoryEvent(this DbDataReader reader, bool isOrchestrationHistory = false)
{
string eventTypeString = (string)reader["EventType"];
if (!Enum.TryParse(eventTypeString, out EventType eventType))
{
throw new InvalidOperationException($"Unknown event type '{eventTypeString}'.");
}
int eventId = GetTaskId(reader);
HistoryEvent historyEvent;
switch (eventType)
{
case EventType.ContinueAsNew:
historyEvent = new ContinueAsNewEvent(eventId, GetPayloadText(reader));
break;
case EventType.EventRaised:
historyEvent = new EventRaisedEvent(eventId, GetPayloadText(reader))
{
Name = GetName(reader),
};
break;
case EventType.EventSent:
historyEvent = new EventSentEvent(eventId)
{
Input = GetPayloadText(reader),
Name = GetName(reader),
InstanceId = GetInstanceId(reader),
};
break;
case EventType.ExecutionCompleted:
historyEvent = new ExecutionCompletedEvent(
eventId,
result: GetPayloadText(reader),
orchestrationStatus: OrchestrationStatus.Completed);
break;
case EventType.ExecutionFailed:
historyEvent = new ExecutionCompletedEvent(
eventId,
result: GetPayloadText(reader),
orchestrationStatus: OrchestrationStatus.Failed);
break;
case EventType.ExecutionStarted:
historyEvent = new ExecutionStartedEvent(eventId, GetPayloadText(reader))
{
Name = GetName(reader),
OrchestrationInstance = new OrchestrationInstance
{
InstanceId = GetInstanceId(reader),
ExecutionId = GetExecutionId(reader),
},
Tags = null, // TODO
Version = GetVersion(reader),
};
string?parentInstanceId = GetParentInstanceId(reader);
if (parentInstanceId != null)
{
((ExecutionStartedEvent)historyEvent).ParentInstance = new ParentInstance
{
OrchestrationInstance = new OrchestrationInstance
{
InstanceId = parentInstanceId
},
TaskScheduleId = GetTaskId(reader)
};
}
break;
case EventType.ExecutionTerminated:
historyEvent = new ExecutionTerminatedEvent(eventId, GetPayloadText(reader));
break;
case EventType.GenericEvent:
historyEvent = new GenericEvent(eventId, GetPayloadText(reader));
break;
case EventType.OrchestratorCompleted:
historyEvent = new OrchestratorCompletedEvent(eventId);
break;
case EventType.OrchestratorStarted:
historyEvent = new OrchestratorStartedEvent(eventId);
break;
case EventType.SubOrchestrationInstanceCompleted:
historyEvent = new SubOrchestrationInstanceCompletedEvent(eventId, GetTaskId(reader), GetPayloadText(reader));
break;
case EventType.SubOrchestrationInstanceCreated:
historyEvent = new SubOrchestrationInstanceCreatedEvent(eventId)
{
Input = GetPayloadText(reader),
InstanceId = null, // TODO
Name = GetName(reader),
Version = null,
};
break;
case EventType.SubOrchestrationInstanceFailed:
historyEvent = new SubOrchestrationInstanceFailedEvent(
eventId,
taskScheduledId: GetTaskId(reader),
reason: GetReason(reader),
details: GetPayloadText(reader));
break;
case EventType.TaskCompleted:
historyEvent = new TaskCompletedEvent(
eventId,
taskScheduledId: GetTaskId(reader),
result: GetPayloadText(reader));
break;
case EventType.TaskFailed:
historyEvent = new TaskFailedEvent(
eventId,
taskScheduledId: GetTaskId(reader),
reason: GetReason(reader),
details: GetPayloadText(reader));
break;
case EventType.TaskScheduled:
historyEvent = new TaskScheduledEvent(eventId)
{
Input = GetPayloadText(reader),
Name = GetName(reader),
Version = GetVersion(reader),
};
break;
case EventType.TimerCreated:
historyEvent = new TimerCreatedEvent(eventId)
{
FireAt = GetVisibleTime(reader),
};
break;
case EventType.TimerFired:
historyEvent = new TimerFiredEvent(eventId)
{
FireAt = GetVisibleTime(reader),
TimerId = GetTaskId(reader),
};
break;
default:
throw new InvalidOperationException($"Don't know how to interpret '{eventType}'.");
}
historyEvent.Timestamp = GetTimestamp(reader);
historyEvent.IsPlayed = isOrchestrationHistory && (bool)reader["IsPlayed"];
return(historyEvent);
}
