基于业务行为与业务对象约束的业务规则研究

Research on Business Rules about Business Activity-Business Object Constraints

研究了一类基于业务行为与业务对象约束的业务规则。从业务需求的复杂业务规则出发,探讨了这类复杂业务规则的含义,以及业务行为和业务对象、业务约束的关系。在此基础上,对此类业务规则提出了一种形式化描述。提出了此类业务规则驱动的面向对象建模方法。实例表明,该方法较好地解决了由于类之间关系改变使得应用程序频繁变化的问题。

A kind of business rules about business activity-business object constraints is researched. In the case ot complex business rules of busiess requirements, the following three objectives are taken into account： （a） to discuss the meaning of this type of complex business rules, （b） to study the relations among business activity, business object and business constraint, （c） to present a formalization of this type. A methodology of this type business rule-driven objectoriented model is also proposed. Through an example, it is proved that this methodology can solve the problem of application code changing because of the relationship among classes changing.