A Persistence Framework for Scala and NoSQL

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username and email

The final components of our user aggregate are Username and Email, which are the key values for the two User keys. Here’s the code for Username:

package simbl.domain

import longevity.model.annotations.keyVal

case class Username(username: String)

Aside from being parts of our user aggregate, we can also embed them in other classes. For instance, BlogPost contains a Set[Username] to indicate the authors of the post:

case class BlogPost(
  uri: BlogPostUri,
  title: String,
  slug: Option[Markdown] = None,
  content: Markdown,
  labels: Set[String] = Set(),
  postDate: DateTime,
  blog: BlogUri,
  authors: Set[Username])
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