private function getUserByIdentifier()
{
$mapper = $this->getMapper();
if (empty($this->constraints)) {
$user = $mapper::findOne(Filter::set($this->getIdentifierField(), Filter::EQUAL, $this->getIdentifierValue()));
} else {
$user = $mapper::findOne(Group::set(Filter::set($this->getIdentifierField(), Filter::EQUAL, $this->getIdentifierValue()), Group::OPERATOR_AND, $this->constraints));
}
return $user;
}
public static function getGroup(FilterInterface $firstCondition, $operator, FilterInterface $secondCondition)
{
return Group::set($firstCondition, $operator, $secondCondition);
}