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195

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.
188

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.
59

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 ... share the same class name, explicit entity name setting is required to avoid clashes. Mapped
54

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
53

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 Throws
53

values(map)

Method javax.persistence.criteria.CriteriaBuilder Expression<Collection<V>> values( M map ) Create an expression that returns the values of a map. Parameters: map - map Returns: collection expression Since: JPA 2.0
53

createEntityManagerFactory(emName, map)

Method javax.persistence.spi.PersistenceProvider EntityManagerFactory createEntityManagerFactory( String emName, Map map ) Called by Persistence class when an EntityManagerFactory is to be created. Parameters: emName - the name of the persistence unit map - a Map of properties for use by
53

keys(map)

Method javax.persistence.criteria.CriteriaBuilder Expression<Set<K>> keys( M map ) Create an expression that returns the keys of a map. Parameters: map - map Returns: set expression Since: JPA 2.0
17

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.
5

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

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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