21 | javax.persistence.PersistenceContextsjavax.persistence Annotation PersistenceContexts Target: Classes Declares one or more PersistenceContext annotations. It is used to express a dependency on container-managed entity manager persistence contexts. Since: JPA 1.0 See Also: PersistenceContext PersistenceContext[] value (Required) One or |
20 | javax.persistence.MappedSuperclassjavax.persistence Annotation MappedSuperclass Target: Classes Designates a class whose mapping information is applied to the entities that inherit from it. A mapped superclass has no separate table ... the context of the subclass tables. Mapping information may be overridden in such subclasses by using |
20 | Entity Management Settings the persistence context of the EntityManager (which serves as a first level cache). The valid values ... the persistence context (until commit or flush), regardless of this setting. The level2 attribute specifies ... " /> <fetch hollow="true" /> <persist serialization="false" /> <cascade-persist always="auto |
19 | Database Explorer objects. The [Schema] window shows the user defined persistable types (entity and embeddable classes) in the database and their persistent fields and indexes. The [Query] window enables running JPQL ... , every column represents a persistent field, and the content of a cell is the value of a single field in |
15 | Detached Entity Objects The following operations clear the entire EntityManager's persistence context and detach all managed ... method, which clears an EntityManager's persistence context. Rolling back a transaction - either by ... ). Retrieval by navigation from detached objects is not supported, so only persistent fields |
13 | javax.persistence.Persistencejavax.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 |
12 | Persistence()Constructor javax.persistence.Persistence Persistence() Since: JPA 1.0 |
1 | javax.jdo.JDOEntityManager the persistence context, causing all managed entities to become detached. Clear the persistence context ... if the instance is a managed entity instance belonging to the current persistence context. Check if the instance is a managed entity instance belonging to the current persistence context. Parameters: entity |
1 | [ODB1] Chapter 5 - JDO Connections, the call to getClass() should be replaced by some other expression (e.g. MyClass.class) in a static context (i.e ... PersistenceManager instance, in any context, to return its associate Transaction object. The strong ... a persistent object, within an active transaction, a WRITE lock is obtained on that object by |
1 | javax.jdo.JDOHelper whether the instance is persistent, transactional, dirty, new, deleted, or detached ... with the parameter instance. Persistent instances of PersistenceCapable classes have a JDO identity ... from the same JDO implementation to locate a persistent instance with the same data store identity |
