JPA MappedSuperClass Inheritence Strategy

StackOverflow https://stackoverflow.com/questions/21844207

  •  13-10-2022
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Question

Is @Inheritance,@DiscriminatorValue,@DiscriminatorColumn applicable to @MappedSuperClass ?

Question is asked because In ORM.XML JPA Specification Entity have attribute :

     "inheritance",
    "discriminatorValue",
    "discriminatorColumn",

but MappedSuperclass does not have .

Was it helpful?

Solution

No, they're not applicable. MappedSuperclass is used for code reuse, and not for entity inheritance. It's only used to share common properties and methods between entities that have, otherwise, nothing in common.

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