英文:
Publish a single package from a project as maven artifact
问题
我正在开发一个由许多使用Java（spring boot）编写的API组成的微服务系统，我遇到了一些情况，其中在一个微服务中我必须使用在另一个微服务中定义的模型（例如，当进行API到API的请求并且需要将结果解析为对象时）。这些模型通常在“models”包中定义，不依赖于其他包。我并不太喜欢从一个项目复制/粘贴到另一个项目，因为这容易引入错误，并且会带来很多额外的开销（例如，当需要编辑模型时）。我想知道是否有一种方法，也许可以通过maven配置，将仅模型包提取到单独的jar中，然后将其发布为maven构件（我们有内部仓库）。这将允许我们自由地在一个项目中使用属于另一个项目的模型类，而不必担心维护两个相同模型定义的更新内容。这也比将模型作为完全独立的项目要好得多。
英文:
I'm working on a microservices system composed of many APIs written in Java (spring boot), I'm facing some instances wherein a microservice I have to use models defined in another one (e.g. when an API-to-API request is made and the results need to be parsed into an object). The models are usually defined in a 'models' package and do not depend on other packages. I don't really like the idea to copy/paste from a project to another, as it is error-prone and easily introduces a lot of overhead (e.g. when a model needs to be edited). I was wondering if there is a way, maybe with a maven configuration, to extract only the model package in a separate jar, and then publish it as a maven artifact (we have an internal repository). This would allow us to freely use models classes belonging to a project into another, without worrying about maintaining updated two definitions of the same model. It'd also be much better than having the models as a completely separate project.
答案1
得分: 1
以下是翻译好的内容：
好的，最好提取整个模块而不是包，只需将其添加到pom.xml中。
我不知道我是否正确理解了你的意思 -
让我们考虑一下情况：
你有一个项目A，在该项目中有一个获取端点（get endpoint），假设你有一个名为User的类。
这个类应该是“共享的”，所以我们将它放在ProjectA-API模块中。你将API打包为jar，并将其添加到ProjectA-War模块的依赖中。同时，你也将其添加到ProjectB-War的pom中，然后你可以在调用者和被调用者站点都使用相同的User模型类。
这对你有帮助吗？还是你指的是其他情况？
用于可视化的简单示意图 - 
英文:
Well it's better to extract whole module instead of package, just add it in pom.xml.
I don't know if I understood you correctly -
Let's consider the situation:
You have Project A where you have get endpoint, lets say you have class User.
This class should be "shared", so let's put it in module ProjectA-API. You define API packaging as jar, and you add it in dependencies in ProjectA-War module. And as well you are adding it to pom in ProjectB-War, and then you can use the same model class for User both in caller's and calling site.
Is it helpful or you meant something different?
Small diagram for visualizing -
答案2
得分: 0
没有。
解决方案是将模型放在一个单独的项目中。
或者，您可以构建多模块项目，这样构建许多构件就不会那么麻烦。
英文:
No.
The solution is to have the models a separate project.
Alternatively, you can construct multi-module-projects, so that building many artifacts is less of a hassle.
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