joinTransaction() - JPA EntityManager's method
Method javax.persistence.EntityManager
void joinTransaction()
Indicate to the entity manager that a JTA transaction is active. This method should be called on a JTA application managed entity manager that was created outside the scope of the active transaction to associate it with the current JTA transaction.
- Throws:
-
TransactionRequiredException- if there is no transaction
- Since:
- JPA 1.0
