/**
  * @param string $email
  * @param bool $all
  * @return ITeamInvitation[]
  */
 public function findByInviteEmail($email, $all = false)
 {
     $query = new QueryObject();
     $query->addAndCondition(QueryCriteria::equal('Email', $email));
     if (!$all) {
         $query->addAndCondition(QueryCriteria::isNull('ConfirmationHash'));
     }
     list($res, $size) = $this->getAll($query, 0, 1000);
     return $res;
 }