Design And Implementation Of Project Management Information System Base On JM_Workflow Framework

With the rapid development of computer and network technology, the approach of enterprise information system and application environment has undergone tremendous changes from centralization to the mass distribution of collaboration. Traditional three-tier application architecture has been unable to meet with the new application businesses. The focus on the design of enterprise information system is changing from the Function-Oriented business processing to the Process-Oriented operational processing. This paper presented a JM Workflow framework based on the workflow technology and the principle of Petri Net which can meet the current such urgent needs of business applications. The main work includes :The paper first analyses the current status of the application of workflow management system, points out existing problems and presents the JM Workflow enterprise applications framework based on workflow technology and the principle of Petri Net modelling by modifying the traditional three-tier framework.Through in-depth analysis of workflow engine and the state transformation relations of workflow process, Petri Net modelling ideas to describe workflow, strict compliance with the definition of WfMC standardized interface of XPDL documents and XPDL documents parser, we detail the key issues of the JM Workflow framework and the application processes to achieve a solution.The chapter of design and implement achieves the design of the workflow process by JaWE graphic designer Which can dynamically export the XPDL documents to workflow engine parser. It uses Object-Oriented technology to plan workflow engine. Model layer interface are realized through Object Relation Mapping and Design Patterns. Function module of system business interchanges with workflow engine through the layer of the interface.Finally with combination of JM Workflow framework design, using JaWE workflow modelling tools, UML modelling ideas, we successfully completed the design and development tasks of Zhenjiang Water Industry Corporation Project Management Information System.