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MulanPSL-2.0

领域驱动设计实践

此项目理论基础源于Eric Evans的《领域驱动设计》,Vaughn Vernon的《实现领域驱动设计》 (IMPLEMENTING DOMAIN-DRIVEN DESIGN) ,彭晨阳的《复杂软件设计之道:领域驱动设计全面解析与实战》。10几年前Eric Evans给我们带来了领域驱动设计,其理论抽象 地描述了复杂软件解决之道,随后Vaughn Vernon将理论同实际相结合,让我们看到了领域驱动设计的落地方案。如今彭晨阳前辈将其十几年领域驱动设计经验凝结于书中,全面分析了领域驱动 设计的发展、技术实现和实战。此刻我们站在巨人的肩膀上,前行...

当人们学习设计技术时,各种可能性令他们兴奋不已,然而真实项目的错综复杂又会为他们泼一盆冷水

引自领域驱动设计-前言

真实项目错综复杂,如何将领域驱动应用于实际?本项目或许能窥知一二。

概念完成度

  1. 领域、子域和限界上下文✔
  2. 上下文映射图✔
  3. 架构✔
  4. 实体✔
  5. 值对象✔
  6. 领域服务✔
  7. 领域事件✔
  8. 模块✔
  9. 聚合✔
  10. 工厂✔
  11. 资源库✔
  12. 集成限界上下文✔
  13. 应用程序✔
  14. 聚合与事件溯源(该部分会在Axon(DDD)框架分支详解 )✔

前置基础

测试驱动开发

测试驱动开发是一种开发方式,要求先编写测试,然后实现。而不是先有实现,再有测试。真实环境下, 有时候先写测试是非常困难的,甚至是不可能的。我们可以选择前期先实现,中后期逐渐转换为测试驱动。 理想状态,我们所有的代码都是由测试驱动的,一些很薄的主要起着协调作用的层,如应用层,这些层的功能 主要是调用领域对象实现的功能。这时候对这些层做测试驱动显然费时费力且对质量保证作用甚微。因此,我们 主要对领域模型进行测试驱动。

测试驱动开发可参考:java测试驱动开发

测试驱动开发框架-Spock

Spock是基于Groovy语言的Java测试框架,是Junit的超集。简化了断言,添加了 函数名的自然语言支持,同是也是行为驱动开发(BDD)的工具。

详情可参考:Spock官网

也可参考我的翻译:点击直达

测试文件位置

img_2.png

使用方式

推荐工具

接口测试 postman

软件下载 postman接口测试示例

img.png

img.png使用客户端模式测试即可,接口测试说明:

  1. 获取token img_1.png
  2. 设置token img_2.png img_3.png
  3. 获取信息 img_4.png

包信息

查看每个模块包的package-info.java img_9.png

每个包都对应DDD的概念,如

img_10.png

valueobject对应的是值对象,其package-info便是值对象的概念详解: img_11.png img_12.png

对概念的实例应用会被蓝字标注: img_13.png 可跳转直达: img_15.png 点击 ⏬ img_14.png

此举意在将理论落实到实际,讨论清楚为什么会采用代码中的方法,对实际编码的 好处,及其其它可行的方法,而不是为DDD 而DDD。

领域说明

参考资料

  1. 领域驱动设计
  2. 实现领域驱动设计
  3. 复杂软件设计之道:领域驱动设计全面解析与实战
  4. Java测试驱动开发
  5. Java Testing with Spock
  6. Domain Driven Design with Springboot Enterprise App
  7. Practical Domain-Driven Design in Enterprise Java - Using Jakarta EE, Eclipse MicroProfile, Spring Boot, and the Axon Framework
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基于Spring Boot,Axon Framework的领域驱动设计(ddd)理论与实践结合。 展开 收起
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