[jboss-dev-forums] [jBPM Development] - Does jBPM include sequence workflow and state machine workflow like window workflow foundation ?

[Dennis Chang]

Dennis Chang [http://community.jboss.org/people/raindrop2010] created the discussion

"Does jBPM include sequence workflow and state machine workflow like window workflow foundation ?"

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Does jBPM include sequence workflow and state machine workflow like window workflow foundation ?

If someone is familiar with windows workflow foundation, please have a look at the following problem:
WorkflowRuntime workflowRuntime = new WorkflowRuntime();

 ExternalDataExchangeService dataExchangeService;
 dataExchangeService = new ExternalDataExchangeService();
 workflowRuntime.AddService(dataExchangeService);

 PaymentProcessingService paymentProcessing;
 paymentProcessing = new PaymentProcessingService();
 dataExchangeService.AddService(paymentProcessing);

With the code above, our application can use paymentProcessing.RaiseXXXXEvent to interactive with the workflow instance. My question is : What's the principle to implement such a mechanism. I think this is a kind of *Event Driven Pattern*, but how can I implement this mechanism and why ? Please point me the direction or any references are appreciated. Any similar implemented in jBPM ?    
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