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JDO Doc
64

Constants.OPTION_APPLICATION_IDENTITY

Static Field javax.jdo.Constants String OPTION_APPLICATION_IDENTITY "javax.jdo.option.ApplicationIdentity" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
64

Constants.OPTION_CHANGE_APPLICATION_IDENTITY

Static Field javax.jdo.Constants String OPTION_CHANGE_APPLICATION_IDENTITY "javax.jdo.option.ChangeApplicationIdentity" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
64

Constants.OPTION_DATASTORE_IDENTITY

Static Field javax.jdo.Constants String OPTION_DATASTORE_IDENTITY "javax.jdo.option.DatastoreIdentity" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
64

Constants.OPTION_NONDURABLE_IDENTITY

Static Field javax.jdo.Constants String OPTION_NONDURABLE_IDENTITY "javax.jdo.option.NonDurableIdentity" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
64

IdGeneratorStrategy.IDENTITY

Enum Constant javax.jdo.annotations.IdGeneratorStrategy IDENTITY Since: JDO 2.1
JDO Doc
22

javax.jdo.PersistenceManager

of a single field identity key Returns: the corresponding persistent instance Since: JDO 2.0 Object ... an instance in the cache with the specified JDO identity. The oid parameter object might have been returned ... , and there is already an instance in the cache with the same JDO identity as the oid parameter, then this method returns
Issue
22

javax.jdo.JDONullIdentityException: The identity must not be null.

) [...] Caused by: javax.jdo.JDONullIdentityException: The identity must not be null.         at javax.jdo.identity.SingleFieldIdentity.assertKeyNotNull(SingleFieldIdentity.java:92)         at javax.jdo.identity
JDO Doc
18

javax.jdo.spi.PersistenceCapable

PersistenceManager, object identity, and version if it has one. In the Reference Implementation, the JDO Enhancer ... single field identity, this method always throws JDOUserException. Parameters: oid - the ObjectId ... the ObjectIdFieldSupplier to produce the values for the key fields. For classes using single field identity
Manual
15

Comparison in JPQL and Criteria API

follow the logic of Java's equals, comparing the content rather than the identity. Date values ... queries follow the logic of equals, comparing the content rather than the identity. Values
Manual
15

JPA Persistable Types

addition, only instances of entity classes preserve identity and are stored ... , however, do not have an identity (primary key) of their own which leads to some limitations (e.g