/// <summary>
/// Helper method to create a decision for scheduling an activity
/// </summary>
/// <returns>Decision with ScheduleActivityTaskDecisionAttributes</returns>
Decision CreateActivityDecision(Common.WorkflowExecutionStartedInput startingInput, int RequestActionId)
{
// setup the input for the activity task.
Common.ActivityTaskCompletedResult state = new Common.ActivityTaskCompletedResult
{
StartingInput = startingInput,
RequestActionId = RequestActionId
};
Decision decision = new Decision()
{
DecisionType = DecisionType.ScheduleActivityTask,
ScheduleActivityTaskDecisionAttributes = new ScheduleActivityTaskDecisionAttributes()
{
ActivityType = new Amazon.SimpleWorkflow.Model.ActivityType()
{
Name = "MinimalWorkflowActivityType1",
Version = "5.0"
},
ActivityId = "MinimalWorkflowActivityType1" + DateTime.Now.TimeOfDay,
Input = Common.Utils.SerializeToJSON<Common.ActivityTaskCompletedResult>(state)
}
};
Console.WriteLine(string.Format("Decision: Schedule Activity Task (RequestId {0} to RequestActionId {1})", state.StartingInput.RequestId, RequestActionId));
return decision;
}
List<Decision> DecideHelper(Common.WorkflowExecutionStartedInput startingInput, List<Common.ActivityTaskCompletedResult> activityStates)
{
List<Decision> decisions = new List<Decision>();
//the request should have a new state and actions...
Request RequestCurrent = _tracker.GetRequestWithActions(startingInput.RequestId);
IEnumerable<RequestAction> ActiveNotComplete = RequestCurrent.RequestActions.Where(x => (x.ActionTypeId == Common.Constants.AWSActivityTypeId || x.ActionTypeId == 2) && x.IsActive && !x.IsComplete);
//if a request action was found that was "active" but not "complete" it must be run now
if (ActiveNotComplete.Count() != 0)
{
//iterate through the active but not complete actions...
foreach (RequestAction ra in ActiveNotComplete)
{
if (ra.ActionTypeId == 1) //if state completed...
{
//code to tell SWF to fire activity for the new state
decisions.Add(CreateActivityDecision(startingInput, ra.RequestActionId ?? 0));
}
if (ra.ActionTypeId == 2) //if timer
{
// setup the input for the activity task.
Common.ActivityTaskCompletedResult state = new Common.ActivityTaskCompletedResult
{
StartingInput = startingInput,
RequestActionId = ra.RequestActionId ?? 0
};
Decision decision = new Decision()
{
DecisionType = DecisionType.StartTimer,
StartTimerDecisionAttributes = new StartTimerDecisionAttributes()
{
Control = Common.Utils.SerializeToJSON<Common.ActivityTaskCompletedResult>(state),
StartToFireTimeout = "3",
TimerId = DateTime.Now.Ticks.ToString()
}
};
decisions.Add(decision);
}
}
}
else
{
Console.WriteLine("Workflow execution complete for " + startingInput.RequestId);
//code to tell SWF to complete workflow execution
decisions.Add(CreateCompleteWorkflowExecutionDecision(activityStates));
}
return decisions;
}
