元模型的设计模式

Hyun Cho, J. Gray
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引用次数: 40

摘要

元模型用于定义特定领域建模语言(Domain-Specific Modeling Language, DSML)的抽象语法(即实体、属性和关系)。此外,元模型还定义了约束和静态语义,这些约束和静态语义提供了抽象语法之外关于建模语言的附加信息。在许多情况下,新元模型的规范高度依赖于设计人员的背景和经验。因此,元模型设计通常因设计人员而异,甚至对于反复出现的设计问题也是如此(即,有不止一种方法来指定使用元模型的建模语言)。元模型设计的质量也可能根据设计人员的领域知识和建模语言专业知识而变化。为了为反复出现的元模型设计问题提供一致的解决方案,应用于元模型的设计模式可以提供关键的见解,特别是对于经验较少的新语言设计人员。在本文中,我们激发了对元模型设计模式的需求,并提供了这个概念的几个例子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design patterns for metamodels
A metamodel is used to define the abstract syntax (i.e., entities, attributes, and relations) of a Domain-Specific Modeling Language (DSML). In addition, a metamodel also defines constraints and static semantics that provide additional information about the modeling language beyond the abstract syntax. In many cases, the specification of a new metamodel is highly dependent on the designer's background and experiences. Thus, metamodel designs often differ from designer to designer, even for recurring design problems (i.e., there is more than one way to specify a modeling language with a metamodel). The quality of a metamodel design may also vary according to the designer's domain knowledge and modeling language expertise. To provide consistent solutions for recurring metamodel design issues, design patterns applied to metamodels may offer key insights, especially to new language designers who have less experience. In this paper, we motivate the need for design patterns for metamodels and provide a few examples of the concept.
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