Supporting Unanticipated Changes with Traits and Classboxes

: On the one hand, traits are a powerful way of structuring classes. Traits support the reuse of method collections over several classes. However, traits cannot be used when specifying unanticipated changes to an application. On the other hand, classboxes are a new module system that supports the local redefinition of classes: a collection of classes can be locally extended with variables and/or methods and the existing clients do not get impacted by changes. However, an extension applied to a class by a classbox cannot be reused for other classes. This paper describes how combining

• Type: Conference
• Year: 2005
• Where: JIT
• Authors: Alexandre Bergel, Stéphane Ducasse
• Keywords: Database, JIT 2005, Method Collections, Powerful Way, Unanticipated Changes