14. The method of claim 13 wherein the step of executing the code using the workflow engine module to manage the concurrency of the particular workflow is performed by managing threads.
14. The method of claim 13 wherein the step of executing the code using the workflow engine module to manage the concurrency of the particular workflow is performed by managing threads. 15. The method of claim 14 wherein the step of generating executable code does not entail generating code to manage the threads.