开发者

Qualifier concept in ddd

According to Eric Evans, associations should

  1. Impose a traversal direction
  2. Add qualifiers and reduce multiplicity
  3. Not be present if it is non-essential

I am not able to understand qualifier c开发者_JAVA百科oncept, how do we add to reduce multiplicity. Can any body explain with example.


this is general oop. read more here and here

0

上一篇:

下一篇:

精彩评论

暂无评论...
验证码 换一张
取 消

最新问答

问答排行榜