基于商业逻辑的Web服务合成方法的研究  

Research on business logic-based web service composition technology

作　　者：边小凡[1] 张宝山[2] 

机构地区：[1]河北大学计算中心,河北保定071002 [2]河北大学数学与计算机学院,河北保定071002

出　　处：《计算机工程与设计》2006年第13期2381-2382,2399,共3页Computer Engineering and Design

基　　金：河北省科技攻关计划基金项目(20021124059)

摘　　要：为提高Internet环境下通过Web服务合成方法构建的跨企业应用系统的灵活性和复用性,分析和研究了面向Web服务的商业流程执行语言(BPEL4WS)中存在的不足,讨论了将商业逻辑从商业流程中分离的必要性。提出从BPEL4WS中提取商业逻辑的思想,同时利用.NET架构下的事件处理技术对其进行了实现,从而有效地改善了BPEL4WS的完全面向商业过程、将商业逻辑隐含在过程中而造成的合成后的Web服务灵活性差及不能有效复用的缺点。最后通过实例证明该方法的可行性。In order to improve the flexibility and reusability of the application systems integration across enterprises in the internet with web service composition, the shortcoming of the business process execution language for web service （BPEIAWS） is analyzed and the necessity that business logic should be separated from business process is discussed. So the idea of extracting business logic from BPEIAWS is put forward and implemented with .net event technology. As a result, this technology solve the problem of lacking flexibility and reusability of web service composition due to the fact that business logic is underlying business process, which is resulted from the fact that BPEIAWS is a full process-oriented method. Finally, an example is given to prove the feasibility.

关 键 词：WEB服务合成 BPEL4WS 商业逻辑 事件 ECA 

分 类 号：TP391.09[自动化与计算机技术—计算机应用技术]