CQML +: Enhancements to CQML.
Simone Röttger, Steffen Zschaler · 2003
In the last few years component-based... This paper gives an overview of issues involved in the specification of non-functional properties in a component-based development. It can be separated into the specification at development time and the representation of non-functional properties at runtime. First, we have to identify all non-functional requirements on the system and all non-functional offers of the system. As part of the development process these requirements have to be separated into offers and demands of individual components. Moreover, we have to consider that each component needs resources to work properly. To actually guarantee non-functional properties this resource demand has to be specified. In order to express these properties we need a precise specification language for non-functional properties in addition to the functional specification of a component based system. Since this specification language is used at design time and is therefore to be used by human beings, the language must have properties like readability, understandability and traceability. To process...