关键词: 规则, 自适应软件, 框架

Abstract: Self-adaptive applications need to be able to adjust their behavior smartly according to environmental changes. Developers may encounter design challenges when developing self-adaptive embedded applications, e.g., self-adaptive logics are difficult to design for changing requirements, source codes are typically tightly coupled, etc. To address such challenges, this paper proposes a rule-based application framework for self-adaptive software systems, named as RAF. RAF addresses the tight-coupling problem by a component-oriented approach, and separates an application’s self-adaptive logic from its other parts based on formulated rules and states. Using RAF to develop software can flexibly design and modify self-adaptive logic. It is convenient for software in development, debugging, upgrade, etc. A case study is used to illustrate how these design challenges are addressed by using RAF.

Key words: rule, self-adaptive software, framework