Virtualization of the entity lifecycle through Object Flow Diagrams, a basic model that captures both events and state transitions, is critical in this model.
使用对象流图(它是捕获事件和状态转换的基础模型)虚拟化实体生命周期是这个模型的关键。
These provide a way to map object types in different repositories into a common object model in the VMM. These entity types are.
它们提供了一种方法，可以将不同存储库中的对象类型映射到VMM中的公共对象模型。
Thus, subclasses of Model in Listing 2 don't have to define properties of their own - they simply delegate any calls to a property to the underlying entity object.
这样，清单2中的Model的子类不必定义它们自己的属性—它们只是将对一个属性的所有调用委托给这个底层entity对象。
应用推荐