About reference

api-jpa

JPA 2 Annotations

Reference (JavaDoc) of all the JPA 2 annotations, including @Entity, @Embeddable, @NamedQuery, @GeneratedValue, etc. JPA defines dozens of annotations that can be divided into the following groups: Annotations for JPA aware classes: JPA Annotations for Classes JPA Annotations for JPQL Queries Annotations for fields in JP ...

 
api-jpa

Criteria Query Expressions

Reference (JavaDoc) of JPA query expression interfaces, including Expression, Predicate, Path, ParameterExpression and Subquery. The following interfaces are in use in representing general expressions in criteria queries: javax.persistence.criteria.Expression javax.persistence.criteria.Predicate javax.persistence.criteria.Path javax.persis ...

 
api-jpa

javax.persistence.EnumType

Defines mapping for enumerated types.(Enum of JPA)

 
api-jpa

TemporalType.TIMESTAMP

Map as java.sql.Timestamp(Enum Constant of javax.persistence.TemporalType)

 
api-jdo

javax.jdo.annotations.Indices

Annotation for a group of index constraints.(Annotation of JDO)

 
manual

[ODB1] Chapter 4 - JDO Metadata

Shows how to define JDO metadata for persistence capable classes.... The embedded attribute is relevant for persistent reference fields. It indicates whether or not the content of the referred ... null-value attribute is also intended for persistent reference fields. It indicates whether the field can accept null values or ...

 
api-jpa

JPA Exceptions

Reference (JavaDoc) of the JPA exception classes, including PersistenceException, EntityExistsException, EntityNotFoundException, LockTimeoutException, NonUniqueResultException, NoResultException, OptimisticLockException, PessimisticLockException, QueryTimeoutException, RollbackException, TransactionRequiredException. JPA exceptions are represented by a hierarchy of unchecked exceptions: java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persi ...

 
api-jpa

javax.persistence.ManyToMany

Defines a many-valued association with many-to-many multiplicity.(Annotation of JPA)

 
api-jpa

javax.persistence.EntityNotFoundException

Thrown by the persistence provider when an entity reference obtained by EntityManager.getReference is accessed but the entity does not exist.(Exception of JPA)

 
api-jpa

LockModeType.OPTIMISTIC

Optimistic lock.(Enum Constant of javax.persistence.LockModeType)