public void loadPasswordCredentialUser(final PasswordCredential credential)
{
if (credential.getUser() == null)
{
getPersistenceBrokerTemplate().execute(
new PersistenceBrokerCallback()
{
public Object doInPersistenceBroker(PersistenceBroker pb) throws PersistenceBrokerException
{
pb.retrieveReference(credential, "user");
return null;