TaskMessage ProcessCreateSubOrchestrationInstanceDecision(
CreateSubOrchestrationAction createSubOrchestrationAction,
OrchestrationRuntimeState runtimeState,
bool includeParameters)
{
var historyEvent = new SubOrchestrationInstanceCreatedEvent(createSubOrchestrationAction.Id)
{
Name = createSubOrchestrationAction.Name,
Version = createSubOrchestrationAction.Version,
InstanceId = createSubOrchestrationAction.InstanceId
};
if (includeParameters)
{
historyEvent.Input = createSubOrchestrationAction.Input;
}
runtimeState.AddEvent(historyEvent);
var taskMessage = new TaskMessage();
var startedEvent = new ExecutionStartedEvent(-1, createSubOrchestrationAction.Input)
{
Tags = OrchestrationTags.MergeTags(createSubOrchestrationAction.Tags, runtimeState.Tags),
OrchestrationInstance = new OrchestrationInstance
{
InstanceId = createSubOrchestrationAction.InstanceId,
ExecutionId = Guid.NewGuid().ToString("N")
},
ParentInstance = new ParentInstance
{
OrchestrationInstance = runtimeState.OrchestrationInstance,
Name = runtimeState.Name,
Version = runtimeState.Version,
TaskScheduleId = createSubOrchestrationAction.Id
},
Name = createSubOrchestrationAction.Name,
Version = createSubOrchestrationAction.Version
};
this.logHelper.SchedulingOrchestration(startedEvent);
taskMessage.OrchestrationInstance = startedEvent.OrchestrationInstance;
taskMessage.Event = startedEvent;
return(taskMessage);
}
public void HandleSubOrchestrationCreatedEvent(SubOrchestrationInstanceCreatedEvent subOrchestrationCreateEvent)
{
int taskId = subOrchestrationCreateEvent.EventId;
if (orchestratorActionsMap.ContainsKey(taskId))
{
orchestratorActionsMap.Remove(taskId);
}
else
{
throw new NonDeterministicOrchestrationException(subOrchestrationCreateEvent.EventId,
string.Format("SubOrchestrationInstanceCreatedEvent: {0} {1} {2} {3} {4}",
subOrchestrationCreateEvent.EventId,
subOrchestrationCreateEvent.EventType,
subOrchestrationCreateEvent.Name,
subOrchestrationCreateEvent.Version,
subOrchestrationCreateEvent.InstanceId));
}
}
static TaskMessage ProcessCreateSubOrchestrationInstanceDecision(
CreateSubOrchestrationAction createSubOrchestrationAction,
OrchestrationRuntimeState runtimeState, bool includeParameters)
{
var historyEvent = new SubOrchestrationInstanceCreatedEvent(createSubOrchestrationAction.Id);
historyEvent.Name = createSubOrchestrationAction.Name;
historyEvent.Version = createSubOrchestrationAction.Version;
historyEvent.InstanceId = createSubOrchestrationAction.InstanceId;
if (includeParameters)
{
historyEvent.Input = createSubOrchestrationAction.Input;
}
runtimeState.AddEvent(historyEvent);
var taskMessage = new TaskMessage();
var startedEvent = new ExecutionStartedEvent(-1, createSubOrchestrationAction.Input);
startedEvent.Tags = runtimeState.Tags;
startedEvent.OrchestrationInstance = new OrchestrationInstance
{
InstanceId = createSubOrchestrationAction.InstanceId,
ExecutionId = Guid.NewGuid().ToString("N")
};
startedEvent.ParentInstance = new ParentInstance
{
OrchestrationInstance = runtimeState.OrchestrationInstance,
Name = runtimeState.Name,
Version = runtimeState.Version,
TaskScheduleId = createSubOrchestrationAction.Id
};
startedEvent.Name = createSubOrchestrationAction.Name;
startedEvent.Version = createSubOrchestrationAction.Version;
taskMessage.OrchestrationInstance = startedEvent.OrchestrationInstance;
taskMessage.Event = startedEvent;
return(taskMessage);
}
public void HandleSubOrchestrationCreatedEvent(SubOrchestrationInstanceCreatedEvent subOrchestrationCreateEvent)
{
int taskId = subOrchestrationCreateEvent.EventId;
if (!this.orchestratorActionsMap.ContainsKey(taskId))
{
throw new NonDeterministicOrchestrationException(subOrchestrationCreateEvent.EventId,
$"A previous execution of this orchestration scheduled a sub-orchestration task with sequence ID {taskId} "
+ $"and name '{subOrchestrationCreateEvent.Name}' (version '{subOrchestrationCreateEvent.Version}', "
+ $"instance ID '{subOrchestrationCreateEvent.InstanceId}'), but the current replay execution hasn't (yet?) "
+ "scheduled this task. Was a change made to the orchestrator code after this instance had already started running?");
}
var orchestrationAction = this.orchestratorActionsMap[taskId];
if (orchestrationAction is not CreateSubOrchestrationAction currentReplayAction)
{
throw new NonDeterministicOrchestrationException(subOrchestrationCreateEvent.EventId,
$"A previous execution of this orchestration scheduled a sub-orchestration task with sequence ID {taskId} "
+ $"and name '{subOrchestrationCreateEvent.Name}' (version '{subOrchestrationCreateEvent.Version}', "
+ $"instance ID '{subOrchestrationCreateEvent.InstanceId}'), but the current orchestration replay instead "
+ $"produced a {orchestrationAction.GetType().Name} action at this sequence number. Was a change made to "
+ "the orchestrator code after this instance had already started running?");
}
if (!string.Equals(subOrchestrationCreateEvent.Name, currentReplayAction.Name, StringComparison.OrdinalIgnoreCase))
{
throw new NonDeterministicOrchestrationException(subOrchestrationCreateEvent.EventId,
$"A previous execution of this orchestration scheduled a sub-orchestration task with sequence ID {taskId} "
+ $"and name '{subOrchestrationCreateEvent.Name}' (version '{subOrchestrationCreateEvent.Version}', "
+ $"instance ID '{subOrchestrationCreateEvent.InstanceId}'), but the current orchestration replay instead "
+ $"scheduled a sub-orchestration task with name {currentReplayAction.Name} at this sequence number. "
+ "Was a change made to the orchestrator code after this instance had already started running?");
}
this.orchestratorActionsMap.Remove(taskId);
}
public async Task <TResult> CallSubOrchestratorAsync <TResult>(string functionName, string instanceId, object input)
{
var createdEvent = new SubOrchestrationInstanceCreatedEvent(History.Count);
History.Add(createdEvent);
try
{
var subContext = new InMemoryOrchestrationContext(instanceId, _instanceId, _client);
await subContext.Run(functionName, input);
var result = (TResult)subContext._output;
History.Add(new SubOrchestrationInstanceCompletedEvent(History.Count, createdEvent.EventId,
JsonConvert.SerializeObject(result)));
return(result);
}
catch (Exception ex)
{
History.Add(new SubOrchestrationInstanceFailedEvent(History.Count, createdEvent.EventId, ex.Message, ex.StackTrace));
throw;
}
}
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);
}
