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Issue No.04 - April (1993 vol.19)
pp: 313-343
ABSTRACT
<p>The authors review propagation patterns for describing object-oriented software at a higher level of abstraction than one used by today's programming languages. A propagation pattern defines a family of programs from which one can select a member by giving a class dictionary graph that details the structure of behavior through part-of and inheritance relationships between classes. Three concepts are introduced: evolution histories, growth-plans and a propagation-directive calculus. Evolution histories describe a sequence of development phases of an object-oriented program, each phase being executable and therefore testable. To keep the programs flexible and short, they are described in terms of propagation patterns. Each phase of an evolution history is tested in small steps that are constrained by class dictionary graphs belonging to a growth-plan. Propagation directives are useful for describing both propagation patterns and growth-plans and are therefore endowed with sufficient expressiveness by being given a formal calculus applicable to object-oriented programming in general. A propagation directive is a succinct description of a family of submodels for a given family of data models.</p>
INDEX TERMS
object-oriented software evolution; propagation patterns; class dictionary graph; inheritance relationships; evolution histories; growth-plans; propagation-directive calculus; formal calculus; submodels; data models; object-oriented programming
CITATION
K.J. Lieberherr, C. Xiao, "Object-Oriented Software Evolution", IEEE Transactions on Software Engineering, vol.19, no. 4, pp. 313-343, April 1993, doi:10.1109/32.223802
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