面向产品生命周期的动态服务集成方法研究*

针对大型制造企业产品生命周期系统中系统集成复杂、变化频繁的现状，分析现有基于SOA系统集成的不足，在引入模型驱动的基础上，提出了一种动态服务集成方法，该方法是自上向下建模和自下而上服务编排的双向结合。通过扩展领域元模型，将业务过程抽象为逻辑模型；将被集成系统以服务的形式封装，建立服务元数据仓库保存其关键属性；分离业务逻辑和具体实现系统，运用反射机制在运行时将模型实例化为具体的集成过程，自动部署到集成引擎。以该方法为基础建立PLM系统集成平台。实践证明该方法可以有效提高集成的适应能力和敏捷性，降低集成的复杂

Research of dynamic service integration approach oriented to products lifecycle

To meet large manufactory enterprise products lifecycle systems integration complex and frequent change requirements, according to analysis of the lack of existing service oriented architecture (SOA) system integration, this paper proposed a dynamic service integration approach through the adoption of MDA. It was a bi-direction combination of top-down modeling and bottom-up service composition. Domain meta-model was expanded based on UML to describe logic model which abstracted from business process. Integrated systems wrapped as Web service was saved in service metadata repository. Business logic separated from specific integration services, would be translated to integration process instance by reflection mechanism, and deployed to the integration engine automatically. PLM integration platform was established based on the approach. The fact demonstrated the approach can improve the adaptability and agility of integration, increase efficiency and quality, reduce implementation and maintenance costs.