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to the database before commiting the transaction: 1. Change entity field e.g. from a to b ... need to access the version of an updated entity inside the transaction before commiting it. How can I ... the version field automatically. But if I just set a String field it doesn´t. I tried transaction.flush

its state to Managed. The new entity object is stored in the database when the transaction is committed. 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

>Operations that modify the content of a database require active transactions. Transactions are managed ... , update, delete) must be performed within an active transaction. The EntityTransaction interface represents and manages database transactions

is applied on transaction commit. Any database object that has to be updated or deleted ... of a database object, for which another update has already been committed by another transaction. In the rare cases in which update collision must be revealed earlier (before transaction

We have transactions in which many objects are created. These objects are no longer needed in the current transaction after creation. Unfortunately, we will receive an OutOfMemory ... very large transactions in further version. Can you implement it that ObjectDB used

the content of the database (such as storing new objects) require an active transaction. In ... . It then becomes associated with an EntityManager and with its transaction (as a managed entity ... . The new Point objects are physically stored in the database only when the transaction

Hello, we opened a transaction, load an entity from database and removed ... >ObjectDB uses snapshots in order to isolate transactions, i.e. to hide uncommitted flush changes of one transaction from other transactions, but still make them available to that transaction

> cache with the datastore. This method has no effect if a transaction is not active. If a datastore transaction is active, this method verifies the consistency of instances in ... > were called, but it is not required to do so. If an optimistic transaction is active

transaction for every open database file. All editing operations (including loading classes, constructing ... transaction. The "File | Save" menu command (and the equivalent toolbar button) commits the transaction ... back the transaction discarding all the changes. After "File | Save" and "File | Discard Changes

. It is the factory for Query and Transaction instances, and contains ... > cache with the datastore. This method has no effect if a transaction is not active. If a datastore transaction is active, this method verifies the consistency of instances in the cache