hi, about the OCL description of Abstract Factory in GoF book



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Shunxiang Yang (ysx@process.buaa.edu.cn)
Wed, 10 Jan 2001 01:37:17 +0800


Hi, Thanks Rick for the UML diagram for Abstract Factory. But I think UML itself is far from enough to describe Design Patterns with accuracy. For example, the cardinality of Concrete Factories in Abstract Factory, and the cardinality of Abstract Product, and the mapping between the createXXX() methods of Factories and the Abstract Products, etc. How to describe these constraints in a certain pattern? There seem to be some successful products for this, e.g., Quarry at www.qoses.com, but I fail to find complex pattern examples in it, like Abstract Factory, which is most complex in GoF Design Pattern book. Is there any successful OCL description (may plus UML model) for Abstract Factory? Would you please mail me one, or kindly tell me where to find one? Thank you very much! regards, yours, Yang Shunxiang


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