Fast Object Database for Java - with JPA/JDO support

refresh(entity) - JPA EntityManager's method

Refresh the state of the instance from the database, overwriting changes made to the entity, if any.
entity - entity instance
IllegalArgumentException - if the instance is not an entity or the entity is not managed
TransactionRequiredException - if invoked on a container-managed entity manager of type PersistenceContextType.TRANSACTION and there is no transaction
EntityNotFoundException - if the entity no longer exists in the database
JPA 1.0