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JPA Doc
2

getDelegate()

Method javax.persistence.EntityManager Object getDelegate() Return the underlying provider object for the EntityManager, if available. The result of this method is implementation specific. The unwrap method is to be preferred for new applications. Returns: underlying provider object for EntityManager Since: JPA 1.0
JPA Doc
2

getIdentifier(entity)

Method javax.persistence.PersistenceUnitUtil Object getIdentifier(   Object entity ) Return the id of the entity. A generated id is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not yet have an id. Parameters: entity - entity instance
JPA Doc
2

getReference(entityClass, primaryKey)

is called.) The application should not expect that the instance state will be available upon detachment
Result
2

java.lang.Throwable

available only in text form, via the various forms of the printStackTrace() method. This information
JDO Doc
2

javax.jdo.PersistenceManager

a PersistenceManager might release it to the pool of available PersistenceManagers, or might be garbage collected
JPA Doc
2

javax.persistence.EntityResult

. The results obtained when insufficient data is available are undefined. Example: Query q = em
JPA Doc
2

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 class is available in a Java EE container environment as well; however, support for the Java SE
JPA Doc
2

javax.persistence.PersistenceUnitUtil

to be available until after the database insert has occurred. Returns null if the entity does not
JDO Doc
2

next()

Method javax.jdo.datastore.Sequence Object next() Returns the next sequence value as an Object. If the next sequence value is not available, throw JDODataStoreException. Returns: the next value Since: JDO 2.0
JDO Doc
2

nextValue()

Method javax.jdo.datastore.Sequence long nextValue() Returns the next sequence value as a long. If the next sequence value is not available or is not numeric, throw JDODataStoreException. Returns: the next value Since: JDO 2.0