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Automating Three Modes of Evolution for Object-Oriented Software Architectures
Architectural evolution is a costly yet unavoidable consequence of a successful application. One method for reducing cost is to automate aspects of the evolutionary cycle when possible. Three kinds of architectural evolution in object-oriented systems are: schema transformations, the introduction of design pattern microarchitectures, and the hot-spot-driven-approach. This paper shows that all three can be viewed as transformations applied to an evolving design. Further, the transformations are automatable with refactorings -- behavior-preserving program transformations. A comprehensive list of refactorings used to evolve large applications is provided and an analysis of supported schema transformations, design patterns, and hot-spot meta patterns is presented. Refactorings enable the evolution of architectures on an if-needed basis reducing unnecessary complexity and inefficiency.
author = {Lance Tokuda and Don Batory},
title = {Automating Three Modes of Evolution for {Object-Oriented} Software Architectures},
booktitle = {5th Conference on Object-Oriented Technologies and Systems (COOTS 99)},
year = {1999},
address = {San Diego, CA},
url = {https://www.usenix.org/conference/coots-99/automating-three-modes-evolution-object-oriented-software-architectures},
publisher = {USENIX Association},
month = may
}
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