About persist

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FAQ
199

What is the Java Persistence API (JPA)?

The Java Persistence API (JPA) is a standard API for accessing databases from within Java ... . Using plain old Java objects (POJO) to represent persistent data can significantly simplify database ... Persistence API (JPA). By interacting with ObjectDB using standard JPA you can keep your application
JPA Doc
86

javax.persistence.Persistence

javax.persistence Class Persistence java.lang.Object javax.persistence.Persistence Bootstrap class that is used to obtain an EntityManagerFactory in Java SE environments. The Persistence ... bootstrapping APIs is not required in container environments. The Persistence class is used to obtain
JPA Doc
84

Persistence()

Constructor javax.persistence.Persistence Persistence() Since: JPA 1.0
JPA Doc
84

Persistence.PERSISTENCE_PROVIDER

Static Field javax.persistence.Persistence String PERSISTENCE_PROVIDER Deprecated. This final String is deprecated and should be removed and is only here for TCK backward compatibility Since: JPA 1.0
JPA Doc
65

javax.persistence.EntityManager

javax.persistence Interface EntityManager Interface used to interact with the persistence context. An EntityManager instance is associated with a persistence context. A persistence context is a set of entity instances in which for any persistent entity identity there is a unique entity instance
JPA Doc
65

javax.persistence.spi.PersistenceUnitInfo

javax.persistence.spi Interface PersistenceUnitInfo Interface implemented by the container and used by the persistence provider when creating an javax.persistence.EntityManagerFactory. Since: JPA 1.0 ... are only transformed once within the same classloading scope, regardless of how many persistence units
JPA Doc
62

javax.persistence.spi.PersistenceProvider

javax.persistence.spi Interface PersistenceProvider Interface implemented by the persistence provider. It is invoked by the container in Java EE environments and by the javax.persistence.Persistence class in Java SE environments to create an javax.persistence.EntityManagerFactory. Since: JPA 1.0
JPA Doc
61

javax.persistence.PersistenceContext

javax.persistence Annotation PersistenceContext Target: Classes and fields (including property get methods) Expresses a dependency on a container-managed EntityManager and its associated persistence ... [] properties (Optional) Properties for the container or persistence provider. (Optional) Properties
JPA Doc
61

javax.persistence.PersistenceUnitUtil

javax.persistence Interface PersistenceUnitUtil Superinterfaces: PersistenceUtil Utility interface 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
JPA Doc
61

javax.persistence.GenerationType

javax.persistence Enum GenerationType java.lang.Object java.lang.Enumpersistence.GenerationType> javax.persistence.GenerationType Implemented Interfaces: Serializable ... /JPA manual. GenerationType AUTO Indicates that the persistence provider should pick an appropriate