Motivation
Most of the time, when we design basic properties of a JPA entity we use easy-to-map types like java.lang.String, java.math.BigDecimal, etc.. In this post, I will discuss the the usage of value objects1 instead which are known from the concept of domain driven design2.
I will explain the benefits of using value objects and how to integrate them into JPA entities. Furthermore, this post provides useful hints for DbUnit tests of such entities.
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