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JPA Doc
248

JPA Annotations for Mapping (ORM)

The following JPA annotations and enums are designated for mapping a JPA object model to a relational database, and are not required by ObjectDB: ObjectDB silently ignores all the above annotations.
FAQ
238

Is ObjectDB better than Object Relational Mapping (ORM)?

All about Is ObjectDB better than Object Relational Mapping (ORM)? in Java/JPA database - explanations, examples, references, links and related information.
JDO Doc
195

JDO Annotations for Mapping (ORM)

The following JDO annotations and enums are designated for mapping a JDO object model to a relational database, and are not required by ObjectDB: ObjectDB silently ignores all the above annotations.
Manual
113

JPA Persistable Types

, Mapped superclasses, Embeddable classes. Simple Java data types: Primitive types, Wrappers, String, Date and Math types. Multi value types - Collections, Maps and Arrays. Miscellaneous types: Enum types ... share the same class name, explicit entity name setting is required to avoid collision. Mapped
Manual
86

JPA Persistence Unit

, embeddable classes and mapped superclasses) with related settings. Defining a persistence unit ... <mapping-file>META-INF/mappingFile.xmlmapping-file> packedEntity ... . If not specified, the first JPA implementation that is found is used. The mapping-file elements specify
Manual
84

JPA Entity Fields

Fields of persistable user defined classes (entity classes, embeddable classes and mapped ... (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent ... and maps of entity types. Basic - for any other persistable type. In JPA only Basic is optional
FAQ
62

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
62

createContainerEntityManagerFactory(info, map)

createContainerEntityManagerFactory(   PersistenceUnitInfo info,   Map map ) Called by the container when an EntityManagerFactory is to be created. Parameters: info - metadata for use by the persistence provider map - a Map ... the ValidatorFactory instance in the map with the key "javax.persistence.validation.factory". Returns
JDO Doc
62

setMapping(mapping)

Method javax.jdo.PersistenceManagerFactory void setMapping(   String mapping ) Set the Mapping setting for this factory. This is used to find the object-datastore mapping file(s). Parameters: mapping - the Mapping setting. Since: JDO 1.0
JPA Doc
61

createEntityManager(map)

Method javax.persistence.EntityManagerFactory EntityManager createEntityManager(   Map map ) Create a new application-managed EntityManager with the specified Map of properties. This method returns ... on the returned instance. Parameters: map - properties for entity manager Returns: entity manager instance