public function execute(&$value, &$error)
{
$conceptId = $this->getContext()->getRequest()->getParameter('id');
$c = new Criteria();
$c->add(ConceptPeer::URI, $value);
$object = ConceptPeer::doSelectOne($c);
if ($object) {
//check to see if the retrieved object has the same id
if ($conceptId && $object->getId() == $conceptId) {
return true;
} else {
$error = $this->getParameter('unique_error');
return false;
}
}
return true;
}
