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Identification of refactoring opportunities introducing polymorphism
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DOI：10.1016/j.jss.2009.09.017.png)
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Abstract
En 中文
Polymorphism is one of the most important features offered by object-oriented programming languages, since it allows to extend/modify the behavior of a class without altering its source code, in accordance to the Open/Closed Principle. However, there is a lack of methods and tools for the identification of places in the code of an existing system that could benefit from the employment of polymorphism. In this paper we propose a technique that extracts refactoring suggestions introducing polymorphism. The approach ensures the behavior preservation of the code and the applicability of the refactoring suggestions based on the examination of a set of preconditions. (C) 2009 Elsevier Inc. All rights reserved.
Keywords:
Refactoring
Polymorphism
State/Strategy design pattern
Object-oriented design
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