void persist(
  Object entity
)

Parameters:

entity - entity instance

Throws:

EntityExistsException - if the entity already exists. (If the entity already exists, the EntityExistsException may be thrown when the persist operation is invoked, or the EntityExistsException or another PersistenceException may be thrown at flush or commit time.)

IllegalArgumentException - if the instance is not an entity

TransactionRequiredException - if there is no transaction when invoked on a container-managed entity manager of that is of type PersistenceContextType.TRANSACTION

Since:

JPA 1.0