Research And Application Of Workflow Engine Based On XPDL

The aim of this thesis is to research and realize the theory of workflow engine based on XPDL defined by WfMC. Firstly, the paper introduces the development of workflow technology and relevant conceptions. Then the paper gives the details of XPDL and workflow meta-model, and analysis the core mechanism of workflow engine. RRFloEng, the engine of RRFlo, is designed and implemented with the technologies of J2EE and XML while it describes the application of RRFlo. Finally, in the summarization of the thesis, the prospect and possible improvements are discussed.