94 | Optimistic Lock Exception With No ConcurrencyOptimistic Lock Exception With No Concurrency |
16 | javax.persistence.TypedQuery() Get the current lock mode for the query. Get the current lock mode for the query. Returns: lock mode ... back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic |
14 | javax.persistence.PessimisticLockScope: Serializable, Comparable<PessimisticLockScope> Defines the values of the javax.persistence.lock.scope property for pessimistic locking. This property may be passed as an argument to the methods of the EntityManager, Query, and TypedQuery interfaces that allow lock modes to be specified or used |
13 | find(entityClass, primaryKey, lockMode, properties), LockModeType lockMode, Map<String,Object> properties ) Find by primary key and lock, using the specified properties. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in the persistence context, it is returned |
13 | find(entityClass, primaryKey, lockMode), LockModeType lockMode ) Find by primary key and lock. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in ... if the lock method had been called on the entity. If the entity is found within the persistence context |
13 | find(entityClass, primaryKey, lockMode, properties), LockModeType lockMode, Map<K,V> properties ) Find by primary key and lock, using the specified properties. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in the persistence context, it is returned from |
12 | javax.persistence.Query lock mode for the query. Get the current lock mode for the query. Returns: lock mode Throws ... - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking |
11 | refresh(entity, lockMode, properties) made to the entity, if any, and lock it with respect to given lock mode type and with specified properties. If the lock mode type is pessimistic and the entity instance is found but cannot be locked: the PessimisticLockException will be thrown if the database locking failure causes transaction-level |
1 | [ODB1] Chapter 1 - About ObjectDB server manages an automatic lock mechanism. Embedded Mode In embedded mode, the application uses ... to the application's classpath. In this mode, the database file is locked for a single process, and multi user |
1 | find(entityClass, primaryKey, lockMode, properties) lockMode, Map<K,V> properties ) Find by primary key and lock, using the specified properties. Search for an entity of the specified class and primary key and lock it with respect to the specified lock type. If the entity instance is contained in the persistence context, it is returned from |
