However, there are some inherent flaws in the implementation of Role Object pattern with OOP, such as tangle and scatter, complex object identity and interface bloat or downcasting.

• 但面向对象的RoleObject模式实现方案中,存在着混合与散乱、复杂对象同一性及向下转型或接口膨胀等一些固有缺陷。