persist(entity) - JPA EntityManager's method
Method javax.persistence.EntityManager
void persist(
Object entity
)
Make an instance managed and persistent.
- Parameters:
-
entity- entity instance
- Throws:
-
EntityExistsException- if the entity already exists. (If the entity already exists, theEntityExistsExceptionmay be thrown when the persist operation is invoked, or theEntityExistsExceptionor anotherPersistenceExceptionmay be thrown at flush or commit time.) -
IllegalArgumentException- if the instance is not an entity -
TransactionRequiredException- if invoked on a container-managed entity manager of typePersistenceContextType.TRANSACTIONand there is no transaction
- Since:
- JPA 1.0
