6 | find(entityClass, primaryKey, lockMode) must perform optimistic version checks when obtaining the database lock. If these checks fail ... OptimisticLockException - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails |
6 | LockModeType.WRITEEnum Constant javax.persistence.LockModeType WRITE Synonymous with OPTIMISTIC_FORCE_INCREMENT. OPTIMISTIC_FORCE_IMCREMENT is to be preferred for new applications. Since: JPA 1.0 |
6 | LockModeType.READEnum Constant javax.persistence.LockModeType READ Synonymous with OPTIMISTIC. OPTIMISTIC is to be preferred for new applications. Since: JPA 1.0 |
6 | javax.persistence.Versionjavax.persistence Annotation Version Target: Fields (including property get methods) Specifies the version field or property of an entity class that serves as its optimistic lock value. The version is used to ensure integrity when performing the merge operation and for optimistic concurrency |
6 | lock(entity, lockMode, properties) and the entity contains a version attribute, the persistence provider must also perform optimistic ... - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails |
0 | 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 |
0 | find(entityClass, primaryKey, lockMode, properties) and the entity has a version attribute, the persistence provider must perform optimistic version checks ... - if the optimistic version check fails PessimisticLockException - if pessimistic locking fails |
0 | 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 |
0 | javax.jdo.JDOOptimisticVerificationException Interfaces: Serializable This class represents optimistic verification failures. The nested exception array contains an exception for each instance that failed the optimistic verification. Since: JDO 1 |
0 | 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 |
