Publication

Evolving Software with Extensible Modules

Matthias Zenger
2002
Conference Papers

Abstract

We present the design of the programming language Keris, an extension of Java with explicit support for software evolution. Keris introduces extensible modules as the basic building blocks for software. Modules are composed hierarchically revealing explicitly the architecture of systems. A distinct feature of the module design is that modules do not get linked manually. Instead, the wiring of modules gets infered. The module assembly and refinement mechanism of Keris is not restricted to the unanticipated extensibility of atomic modules. It also allows to extend fully linked systems by replacing selected submodules with compatible versions without needing to re-link the full system. Extensibility is type-safe and non-invasive; i.e. the extension of a module preserves the original version and does not require access to source code.

Official source

https://infoscience.epfl.ch/entities/publication/53e58e3a-0491-4dcf-9cd7-b9c52408b32d

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Matthias Zenger
2002
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/53e58e3a-0491-4dcf-9cd7-b9c52408b32d

About this result

Related concepts (32)

Module (mathematics)

In mathematics, a module is a generalization of the notion of vector space in which the field of scalars is replaced by a ring. The concept of module generalizes also the notion of abelian group, since the abelian groups are exactly the modules over the ring of integers. Like a vector space, a module is an additive abelian group, and scalar multiplication is distributive over the operation of addition between elements of the ring or module and is compatible with the ring multiplication.

Projective module

In mathematics, particularly in algebra, the class of projective modules enlarges the class of free modules (that is, modules with basis vectors) over a ring, by keeping some of the main properties of free modules. Various equivalent characterizations of these modules appear below. Every free module is a projective module, but the converse fails to hold over some rings, such as Dedekind rings that are not principal ideal domains.

Software architecture

Software architecture is the set of structures needed to reason about a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations. The architecture of a software system is a metaphor, analogous to the architecture of a building. It functions as the blueprints for the system and the development project, which project management can later use to extrapolate the tasks necessary to be executed by the teams and people involved.

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