15 | javax.persistence.EntityManager: the PessimisticLockException will be thrown if the database locking failure causes transaction-level rollback the LockTimeoutException will be thrown if the database locking failure causes only statement-level rollback ... will be thrown if the database locking failure causes transaction-level rollback |
15 | JPA Lifecycle Events throws an exception within an active transaction, the transaction is marked for rollback |
15 | Detached Entity Objects invocation of rollback or by a commit failure. Explicit Merge Detached objects can be attached |
15 | ObjectDB Object Database Features transactions. Operations: begin, commit, rollback. Processes and Threads All API classes and interfaces |
15 | Locking in JPA either commit or rollback). ObjectDB supports also releasing a lock explicitly while the transaction |
3 | Step 4: Add a Servlet Class.getTransaction().isActive()) em.getTransaction().rollback(); em.close |
3 | Step 4: Add a Servlet Class()) em.getTransaction().rollback(); em.close(); } } @Override |
1 | [ODB1] Chapter 6 - Persistent Objects by reachability rule. Of course, if the transaction is ended with rollback() and not with commit |
1 | [ODB1] Chapter 3 - Persistent Classes on rollback). This event is rarely used. Other persistent objects and even persistent fields in |
1 | [ODB1] Chapter 4 - JDO Metadata is never stored in the database. The main difference is that, on transaction rollback, it returns automatically |
