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JPA Annotations for Fields

The way a field of a persistable class is managed by JPA can be set by the following annotations:

Additional annotations (and enum) are designated for enum fields:

Other additional annotations (and enum) are designated for date and calendar fields:

Chapter 2 of the ObjectDB manual explains how to use all the above annotations.

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
Object DB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.