/**
* @see BasicValidator::isValid()
*
* @param ValidatorMap $map
* @param string $str
*
* @return boolean
*/
public function isValid(ValidatorMap $map, $str)
{
$column = $map->getColumn();
$c = new Criteria();
$c->add($column->getFullyQualifiedName(), $str, Criteria::EQUAL);
$table = $column->getTable()->getClassName();
$clazz = $table . 'Peer';
$count = call_user_func(array($clazz, 'doCount'), $c);
$isValid = $count === 0;
return $isValid;
}
