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由于电厂竞价系统需要基于重用来灵活地应对竞价规则的频繁变更,提出采用基于Web服务的业务流程执行语言(BPEL)和面向服务架构(SOA),建立电厂竞价系统。设计了系统的架构层次和部署结构,描述了基于BPEL的系统流程管理框架。最后,应用Active VOS Desinger对电厂参与日前市场竞价的流程建模,部署到BPEL Server中,快速实现了面向竞价流程的组合服务编制和发布。
Because power plant bidding system needs to flexibly deal with the frequent changes of bidding rules based on reuse, this paper proposes the establishment of power plant bidding system based on Web Services BPEL and Service Oriented Architecture (SOA). The architecture hierarchy and deployment structure of the system are designed, and the system flow management framework based on BPEL is described. Finally, Active VOS Desinger is used to model the process of plant participation in the market bidding and deploy it to BPEL Server, so as to quickly realize the compilation and publication of composite services for bidding process.