internal IEnumerable <WorkflowDecision> Decisions(IWorkflowHistoryEvents historyEvents)
{
_generatedActions = new WorkflowActions();
_executingEvents = new Stack <WorkflowEvent>();
IWorkflow workflow = this;
var decisions = new List <WorkflowDecision>();
try
{
_currentWorkflowHistoryEvents = historyEvents;
BeforeExecution();
foreach (var workflowEvent in historyEvents.NewEvents())
{
workflow.PushNewExecutingEvent(workflowEvent);
try
{
var action = workflowEvent.Interpret(this) ?? WorkflowAction.Empty;
_generatedActions.Add(action);
decisions.AddRange(action.Decisions(this));
}
finally
{
workflow.PopExecutingEvent();
}
}
return(decisions.Distinct().CompatibleDecisions(this).Where(d => d != WorkflowDecision.Empty).ToArray());
}
finally
{
//Following line may not be required because clean up has handled before it comes here.
_allWorkflowItems.ResetContinueItems();
AfterExecution();
_executingEvents = new Stack <WorkflowEvent>();
_currentWorkflowHistoryEvents = null;
}
}