One GoF pattern could fit perfectly in this situation: Chain of Responsibility.

有一个GoF 模式非常适合这种情形： 职责链（Chain of Responsibility）。

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Try modeling this scenario using the Chain of Responsibility Design Pattern in Rational Software Architect.

尝试在RationalSoftwareArchitect 中使用责任链设计模式为该情境建模。

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Try modeling this scenario using the Chain of Responsibility Design Pattern in Rational Software Architect.

尝试在RationalSoftwareArchitect 中使用责任链设计模式为该情境建模。

youdao