Inheritance vs Composition in JPA | JPA Buddy

#jpa #hibernate #eclipselink #intellijidea #java #kotlin #jpabuddy #inheritance #composition

MappedSuperclass is often used for sharing common fields between different entities. However, with time it gets split into smaller classes introducing a deep and brittle hierarchy.
If this happens to you, keep in mind that there is another option available in JPA.
You may use composition by externalizing shared fields into a separate @Embeddable entity. This way, you still comply with the DRY principle but have a lot more flexibility.

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