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About mapped superclass

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JDO Doc
18

Constants.OPTION_MAPPING_RELATION_SUBCLASS_TABLE

Static Field javax.jdo.Constants String OPTION_MAPPING_RELATION_SUBCLASS_TABLE "javax.jdo.option.mapping.RelationSubclassTable" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
18

Constants.PMF_ATTRIBUTE_MAPPING

Static Field javax.jdo.Constants String PMF_ATTRIBUTE_MAPPING The name of the persistence manager factory element's "mapping" attribute. Since: JDO 2.1
JDO Doc
18

Constants.PROPERTY_MAPPING

Static Field javax.jdo.Constants String PROPERTY_MAPPING "javax.jdo.option.Mapping" Since: JDO 2.1 See Also: PersistenceManagerFactory.getMapping()
JPA Doc
18

PluralAttribute.CollectionType.MAP

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType MAP Map-valued attribute Since: JPA 2.0
JDO Doc
18

DiscriminatorStrategy.VALUE_MAP

Enum Constant javax.jdo.annotations.DiscriminatorStrategy VALUE_MAP Since: JDO 2.1
JPA Doc
17

javax.persistence.AssociationOverride

that extends a mapped superclass to override a relationship mapping defined by the mapped superclass ... a mapping defined by a mapped superclass, AssociationOverride is applied to the entity class ... the mapping of a relationship defined by a mapped superclass @MappedSuperclass public class
FAQ
17

Can I use ObjectDB to access a relational database?

To access relational databases using the Java Persistence API (JPA) you will need an Object Relational Mapping (ORM) tool, such as Hibernate, TopLink, EclipseLink, Open JPA or DataNucleus. The DataNucleus ORM implementation supports also the Java Data Objects (JDO) API. ObjectDB is a full featured
JPA Doc
14

javax.persistence.AttributeOverride

Id property or field. May be applied to an entity that extends a mapped superclass or to an embedded field or property to override a basic mapping or id mapping defined by the mapped superclass or ... the embeddable class or mapped superclass. Since: JPA 1.0 String name (Required) The name
Manual
14

Collections in JPQL and Criteria Queries

Shows how collections and maps can be used in JPQL queries.
JPA Doc
13

javax.persistence.MappedSuperclass

information is applied to the entities that inherit from it. A mapped superclass has no separate table ... for the mapped superclass itself. When applied to the subclasses the inherited mappings will apply in ... : Concrete class as a mapped superclass @MappedSuperclass public class Employee