分析阶段的产物是一个元类模型，此模型描述候选服务、候选服务的角色构造型及其操作。
The outcome of the analysis phase is a metaclass model that describes candidate services, their role stereotypes, and their operations.
上一期文章中曾经指出，构造型和标签可以作为扩展uml模型的工具，以便支持在UML中没有等价物的XML概念。
In the previous article, I pointed to stereotypes and tags as tools to extend the UML model and support XML concepts that have no equivalent in UML.
构造型提供了元模型级的继承，而标记在元模型级提供了向构造型增加类属性信息的机制。
While a stereotype offers metamodel-level inheritance, a tag offers a metamodel-level mechanism to add attribute-like information to a stereotype.
应用推荐