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Type-Safe Prototype-Based Component Evolution

Component-based programming is currently carried out using mainstream object-oriented languages. These languages have to be used in a highly disciplined way to guarantee flexible component composition and extensibility. This paper investigates abstractions for component-oriented programming on the programming language level. We propose a simple prototype-based model for first-class components on top of a class-based object-oriented language. The model is formalized as an extension of Featherweight Java. Our calculus includes a minimal set of primitives to dynamically build, extend and compose software components, while supporting features like explicit context dependencies, late composition, unanticipated component extensibility, and strong encapsulation. We present a type system for our calculus that ensures type-safe component definition, composition, and evolution.

    Note:

    In European Conference on Object-Oriented Programming, Malaga, Spain, June 2002. © Springer-Verlag. See LNCS home page.

    Reference

    • LAMP-REPORT-2002-004

    Record created on 2006-01-24, modified on 2016-08-08

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