业务流程模型的BPEL实现

摘要

Because XML representation of BPEL is very verbose and has not formal analysis techniques, its abstract level is not applicable to the analysis and design of business process. Contrary to BPEL, the designer and analyst of business process more easily accept the high level of abstract model, such as BPMN (Business Process Modeling Notation). It is supported by various modeling tools but no system can directly execute BPMN models so far. Hence, they need a translating method which can translate BPMN to BPEL code. It can improve the abihty of analysis, design and development of business process, for the purpose of adapting the change of business requirement and improving the rate of return. This article puts forward an algorithm for translating BPMN to BPEL code by analyzing the BPMN and BPEL. Finally, a simple example is introduced for illustrating how to use the translating algorithm in application.%由于BPEL语言的XML表示十分冗长以及没有形式化的分析技术,其抽象级别不适合用于业务流程分析和设计.而业务流程分析师和设计者更容易接受高级别的抽象模式,例如BPMN(Business Process Modeling Notation).很多建模工具支持BPMN,但是到目前为止没有系统可直接执行BPMN模型.因此,需要一种转换方法,可将BPMN转换成BPEL,来提高企业业务流程的分析、设计和开发能力,更能够适应业务需求的变化,以提高投资回报率.本文通过对BPMN和BPEL的分析,提出将一个由BPMN实现的业务流程模型转换为相应的BPEL代码的算法.最后通过一个实例来说明如何实现本文所提出的转换方法.