The design of a flexible workflow engineering

Workflow engine is the core of the workflow management system. in order to adapt people's practical application of the new requirements of the workflow, the J2EE environment can be used in EJB components to deal with the problems of workflow engine design. Realize the dynamic configuration changes during the engine running and running before, and the interface layer through interactive features. This can not only achieve a flexible workflow configuration, but also ensure a reliable operation system.