NDLI: Refactoring and Aggregation (1993)

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Refactoring and Aggregation (1993)

Content Provider	CiteSeerX
Author	Johnson, Ralph E. Opdyke, William F.
Description	Object-oriented programs evolve by means other than just the addition of new classes. The changes to object-oriented programs that have been most studied are those based on inheritance, on reorganizing a class hierarchy. However, aggregation is a relationship between classes that is just as important as inheritance, and many changes to an object-oriented design involve the aggregate/component relationship. This paper describes some common refactorings based on aggregation, including how to convert from inheritance to an aggregation, and how to reorganize an aggregate/component hierarchy just as one might reorganize a class inheritance hierarchy. 1 Introduction Object-oriented programming is advertised as leading to more extensible programs than conventional programming [Mey88]. Modifications to a system that would require many changes in conventional programming often can be carried out in an object-oriented program by simply adding new classes. Nevertheless, there are many t...
File Format	PDF
Language	English
Publisher	Springer-Verlag
Publisher Date	1993-01-01
Publisher Institution	In Object Technologies for Advanced Software, First JSSST International Symposium, volume 742 of Lecture Notes in Computer Science
Access Restriction	Open
Subject Keyword	Aggregate Component Relationship Aggregate Component Hierarchy Introduction Object-oriented Programming Conventional Programming Many Change Object-oriented Program Extensible Program New Class Object-oriented Design Class Hierarchy Class Inheritance Hierarchy Common Refactorings Conventional Programming Mey88
Content Type	Text
Resource Type	Article

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