About optimistic

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JPA Doc
8

find(entityClass, primaryKey, lockMode, properties)

and the entity has a version attribute, the persistence provider must perform optimistic version ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
JPA Doc
8

find(entityClass, primaryKey, lockMode, properties)

is pessimistic and the entity has a version attribute, the persistence provider must perform optimistic ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic
JDO Doc
8

getOptimistic()

Method javax.jdo.PersistenceManagerFactory boolean getOptimistic() Get the default Optimistic setting for all PersistenceManager instances obtained from this factory. Returns: the default Optimistic setting. Since: JDO 1.0
JDO Doc
8

getOptimistic()

Method javax.jdo.Transaction boolean getOptimistic() Optimistic transactions do not hold data store locks until commit time. Returns: the value of the Optimistic property. Since: JDO 1.0
JPA Doc
8

lock(entity, lockMode)

, the persistence provider must also perform optimistic version checks when obtaining the database lock ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking
JPA Doc
8

lock(entity, lockMode, properties)

optimistic version checks when obtaining the database lock. If these checks fail ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails
JPA Doc
8

LockModeType.READ

Enum Constant javax.persistence.LockModeType READ Synonymous with OPTIMISTIC. OPTIMISTIC is to be preferred for new applications. Since: JPA 1.0
JPA Doc
8

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
JDO Doc
8

setOptimistic(flag)

Method javax.jdo.PersistenceManagerFactory void setOptimistic(   boolean flag ) Set the default Optimistic setting for all PersistenceManager instances obtained from this factory. Parameters: flag - the default Optimistic setting. Since: JDO 1.0
JDO Doc
8

find(entityClass, primaryKey, lockMode, properties)

and the entity has a version attribute, the persistence provider must perform optimistic version ... - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails