16 | Working with JPA Entity Objects via an EntityManager’s persist method, which must be invoked within an active transaction. On transaction commit ... Entities section. If a managed entity object is modified within an active transaction the change ... the EntityManager’s remove method within an active transaction. The entity object changes its state from Managed |
16 | Locking in JPA. A TransactionRequiredException is thrown if there is no active transaction when lock is called because explicit locking requires an active transaction. A LockTimeoutException is thrown if the requested pessimistic lock ... is active, as so: em.lock(employee, LockModeType.NONE); Other Explicit Lock Modes In addition |
13 | Storing JPA Entity Objects field values). A TransactionRequiredException is thrown if there is no active transaction when persist is called because operations that modify the database require an active transaction. If the database |
13 | Detached Entity Objects class or it is a removed entity. A TransactionRequiredException is thrown if there is no active transaction when merge is called because operations that might modify the database require an active |
13 | Obtaining a JPA Database Connection, update, and delete should only be performed within an active transaction. Given an EntityManager, em ... that the getTransaction method returns. When a transaction is active you can invoke EntityManager methods |
13 | Database Connection using JPA the content of a database require active transactions. Transactions are managed by an EntityTransaction ... ) must be performed within an active transaction. The EntityTransaction interface represents |
13 | Updating JPA Entity Objects from inside an active transaction: Employee employee = em.find(Employee.class, 1); em ... entity object from within an active transaction. No EntityManager's method is invoked to report |
13 | Database Explorer the Edit > Move Element commands. Saving Changes The Explorer manages an active transaction for every open database file. All the editing operations are associated with the active transaction. The File |
1 | [ODB1] Chapter 9 - ObjectDB Explorer these menus. Saving Changes The Explorer manages an active transaction for every open database file ... , etc.) are stored in memory, associated with the active transaction. The "File | Save" menu command |
1 | javax.jdo.JDOEntityManager. This method has no effect if a transaction is not active. If a datastore transaction is active ... transaction is active, this method obtains a datastore connection and verifies the consistency ... store. This method must be called in an active transaction. The data store object will be removed |
