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Title: A Methodology for the Automated Introduction of Design Patterns
Author: Ó Cinnéide, Mel
Nixon, Patrick
Keywords: Software re-engineering and restructuring
legacy software
software evolution and modernisation
behaviour preservation
design patterns
Issue Date: Mar-1999
Publisher: Trinity College Dublin, Department of Computer Science
Citation: Ó Cinnéide, Mel; Nixon, Patrick. 'A Methodology for the Automated Introduction of Design Patterns'. - Dublin, Trinity College Dublin, Department of Computer Science, TCD-CS-1999-18, 1999, pp10
Series/Report no.: Computer Science Technical Report
Abstract: In reengineering legacy code it is frequently useful to introduce a design pattern in order to add clarity to the system and thus facilitate further program evolution. We show that this type of transformation can be automated in a pragmatic manner and present a methodology for the development of design pattern transformations. We address the issues of the definition of a starting point for the transformation, the decomposition of a pattern into minipatterns and the development of corresponding minitransformations that can introduce these minipatterns to a program. We argue that behaviour preservation is a key issue and develop a rigorous argument of this for each minitransformation we discover. The architecture of an existing software prototype is also discussed and the results of applying this methodology to develop a transformation for the Factory Method pattern are presented.
Appears in Collections:Computer Science Technical Reports

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