Fast Object Database for Java - with JPA/JDO support

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28

javax.persistence.PersistenceUnitUtil

between the application and the persistence provider managing the persistence unit. The methods ... for this persistence unit or on new entity instances. Since: JPA 2.0 Object getIdentifier(Object ... ) Determine the load state of an entity belonging to the persistence unit. Determine the load state
27

javax.persistence.EntityManagerFactory

factory for the persistence unit. When the application has finished using the entity manager ... an instance of Metamodel interface for access to the metamodel of the persistence unit. Return an instance of Metamodel interface for access to the metamodel of the persistence unit. Returns: Metamodel
26

javax.persistence.spi.PersistenceProvider

". Returns: EntityManagerFactory for the persistence unit specified by the metadata Since: JPA 1.0 ... is to be created. Parameters: emName - the name of the persistence unit map - a Map of properties ... for the persistence unit, or null if the provider is not the right provider Since: JPA 1.0 ProviderUtil
26

javax.persistence.PersistenceUnit

get methods) Expresses a dependency on an EntityManagerFactory and its associated persistence unit ... ) The name of the persistence unit as defined in the persistence.xml file. (Optional) The name of the persistence unit as defined in the persistence.xml file. If specified, the persistence unit
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javax.persistence.PersistenceContext

of the persistence unit as defined in the persistence.xml file. (Optional) The name of the persistence unit as defined in the persistence.xml file. If the unitName element is specified, the persistence unit ... javax.persistence Annotation PersistenceContext Target: Classes and fields (including property
26

JPA Lifecycle Events

/persistence/orm_1_0.xsd" version="1.0"> <persistence-unit-metadata> <persistence-unit-defaults ... -unit-defaults> persistence-unit-metadata> The mapping file ... explicitly in the persistence unit definition (in persistence.xml). Default listeners are applied by
25

javax.persistence.SharedCacheMode

unit. Corresponds to the value of the persistence.xml shared-cache-mode element, and returned as ... for the persistence unit. Caching is disabled for the persistence unit. Since: JPA 2.0 SharedCacheMode ... javax.persistence Enum SharedCacheMode java.lang.Object java.lang.Enumpersistence
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createEntityManagerFactory(persistenceUnitName, properties)

persistence unit using the given properties. Parameters: persistenceUnitName - the name of the persistence unit properties - Additional properties to use when creating the factory. The values ... that creates EntityManagers configured according to the specified persistence unit. Since: JPA 1.0
25

createEntityManagerFactory(persistenceUnitName)

persistenceUnitName ) Create and return an EntityManagerFactory for the named persistence unit. Parameters: persistenceUnitName - the name of the persistence unit Returns: the factory that creates EntityManagers configured according to the specified persistence unit Since: JPA 1.0
24

javax.persistence.ValidationMode

javax.persistence Enum ValidationMode java.lang.Object java.lang.Enumpersistence.ValidationMode> javax.persistence.ValidationMode Implemented Interfaces: Serializable, Comparable The validation mode to be used by the provider for the persistence unit. Since: JPA

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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