# 所有程序包的分层结构

程序包分层结构:

- com.x.collaboration.service.message

## 类分层结构

- java.lang.Object
  - com.x.collaboration.service.message.Collaboration
  - com.x.base.core.entity.PropertyObject
    - com.x.collaboration.service.message.AbstractMessage
      - com.x.collaboration.service.message.BroadcastMessage
      - com.x.collaboration.service.message.ChatMessage
      - com.x.collaboration.service.message.FileEditorMessage
      - com.x.collaboration.service.message.FileShareMessage
      - com.x.collaboration.service.message.PlainMessage
      - com.x.collaboration.service.message.ReadMessage
      - com.x.collaboration.service.message.ReviewMessage
      - com.x.collaboration.service.message.TaskMessage