private void setWFEvents(WorkflowApplication wf)
{
wf.Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
Console.WriteLine("Workflow idled");
s_idleEvent.Set();
//s_syncEvent.Set();
};
wf.Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
Console.WriteLine("Workflow completed with state {0}.", e.CompletionState.ToString());
if (e.TerminationException != null)
{
Console.WriteLine("TerminationException = {0}; {1}", e.TerminationException.GetType().ToString(), e.TerminationException.Message);
}
s_completedEvent.Set();
//s_syncEvent.Set();
};
wf.Unloaded = delegate(WorkflowApplicationEventArgs e)
{
Console.WriteLine("Workflow unloaded");
if (this.invokeMode == WorkflowInvokeMode.Run)
{
this.invokeMode = WorkflowInvokeMode.ResumeBookmark;
}
else
{
this.invokeMode = WorkflowInvokeMode.None;
}
s_unloadedEvent.Set();
//s_syncEvent.Set();
};
wf.PersistableIdle = delegate(WorkflowApplicationIdleEventArgs e)
{
if (instanceStore != null)
{
return(PersistableIdleAction.Unload);
}
return(PersistableIdleAction.None);
};
wf.Aborted = e =>
{
int a = 0;
//syncEvent.Set();
s_syncEvent.Set();
};
//wfApp.Idle = e => { /*syncEvent.Set();*/ };
//wfApp.PersistableIdle = e => { return PersistableIdleAction.Unload; };
//wfApp.OnUnhandledException = e => { return UnhandledExceptionAction.Terminate; };
}
public TResponse ContinueWorkflow <TRequest, TResponse>(TRequest request, string OperationName)
{
invokeMode = WorkflowInvokeMode.ResumeBookmark;
return(execute <TRequest, TResponse>(request, OperationName));
}
public TResponse StartWorkflow <TRequest, TResponse>(TRequest request, string OperationName)
{
TimeSpan timeOut = TimeSpan.FromMinutes(1);
Action waitOne = delegate()
{
s_syncEvent = null;
if (instanceStore != null)
{
s_syncEvent = s_unloadedEvent;
s_unloadedEvent.WaitOne();
}
else
{
s_syncEvent = s_idleEvent;
s_idleEvent.WaitOne();
}
};
WorkflowInstanceContext instanceContext = new WorkflowInstanceContext()
{
Request = request,
Response = default(TResponse)
};
invokeMode = WorkflowInvokeMode.Run;
WorkflowApplication wfApp = null;
Guid wfId = Guid.Empty;
while (invokeMode != WorkflowInvokeMode.None)
{
if (invokeMode == WorkflowInvokeMode.Run)
{
wfApp = createWorkflowApplication(instanceContext);
wfId = wfApp.Id;
resetEvents();
wfApp.Run(timeOut);
waitOne();
}
else if (invokeMode == WorkflowInvokeMode.ResumeBookmark)
{
wfApp = createWorkflowApplication(instanceContext);
resetEvents();
wfApp.Load(wfId, timeOut);
var isWaiting = wfApp.GetBookmarks().FirstOrDefault(b => b.BookmarkName == OperationName);
if (isWaiting != null)
{
wfApp.ResumeBookmark(OperationName, "bookmark data", timeOut);
waitOne();
}
else
{
throw new Exception($"Bookmark {OperationName} missing on workflow with id {wfApp.Id}");
}
}
}
;
TResponse response = default(TResponse);
try
{
response = (TResponse)instanceContext.Response;
}
catch
{
}
return(response);
}
public TResponse StartWorkflow <TRequest, TResponse>(TRequest request, string OperationName)
{
invokeMode = WorkflowInvokeMode.Run;
return(execute <TRequest, TResponse>(request, OperationName));
}
