JPA 1.0 Advanced (Java EE 5)

Agenda

Embeddable objects
Secondary tables
Composite primary key
Fetch modes
Entity Listeners

Embeddable Objects

What is an Embeddable Object?

Embeddable object is stored as intrinsic part of an owning entity
- Doesn't have its own identity
Each persistent field of embeddable object is mapped to the same database table that represents the owning entity
@Embeddable is used to mark an embeddable object
@Embedded is used in the owning entity to annotate the field for the embeddable

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JPA 1.0 Advanced (Java EE 5)

Agenda

Embeddable Objects

What is an Embeddable Object?

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