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Manual
120

Locking in JPA

supported pessimistic lock modes are: PESSIMISTIC_READ - which represents a shared lock. PESSIMISTIC_WRITE ... explicitly by the lock method: em.lock(employee, LockModeType.PESSIMISTIC_WRITE); The first ... another EntityManager instance) currently holds a PESSIMISTIC_WRITE lock on that database object. A PESSIMISTIC
JDO Doc
76

PersistenceCapable.CHECK_WRITE

Static Field javax.jdo.spi.PersistenceCapable byte CHECK_WRITE If jdoFieldFlags for a field includes CHECK_WRITE, then the field has been enhanced to call the jdoStateManager on write if the jdoFlags setting is not READ_WRITE_OK;. Since: JDO 1.0
JDO Doc
75

PersistenceCapable.MEDIATE_WRITE

Static Field javax.jdo.spi.PersistenceCapable byte MEDIATE_WRITE If jdoFieldFlags for a field includes MEDIATE_WRITE, then the field has been enhanced to always call the jdoStateManager on all writes. Since: JDO 1.0
JDO Doc
75

PersistenceCapable.READ_WRITE_OK

Static Field javax.jdo.spi.PersistenceCapable byte READ_WRITE_OK If jdoFlags is set to READ_WRITE_OK, then the fields in the default fetch group can be accessed for read or write without notifying the StateManager. Since: JDO 1.0
JDO Doc
74

Constants.PMF_ATTRIBUTE_NONTRANSACTIONAL_WRITE

Static Field javax.jdo.Constants String PMF_ATTRIBUTE_NONTRANSACTIONAL_WRITE The name of the persistence manager factory element's "nontransactional-write" attribute. Since: JDO 2.1
JPA Doc
74

LockModeType.PESSIMISTIC_WRITE

Enum Constant javax.persistence.LockModeType PESSIMISTIC_WRITE Pessimistic write lock. Since: JPA 2.0
JDO Doc
73

Constants.OPTION_NONTRANSACTIONAL_WRITE

Static Field javax.jdo.Constants String OPTION_NONTRANSACTIONAL_WRITE "javax.jdo.option.NontransactionalWrite" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
73

Constants.PROPERTY_NONTRANSACTIONAL_WRITE

Static Field javax.jdo.Constants String PROPERTY_NONTRANSACTIONAL_WRITE "javax.jdo.option.NontransactionalWrite" Since: JDO 2.1 See Also: PersistenceManagerFactory.getNontransactionalWrite()
JPA Doc
73

LockModeType.WRITE

Enum Constant javax.persistence.LockModeType WRITE Synonymous with OPTIMISTIC_FORCE_INCREMENT. OPTIMISTIC_FORCE_IMCREMENT is to be preferred for new applications. Since: JPA 1.0
Manual
29

Database Management Settings

="." mode="write" />   writing is required before commit returns