/**
  * Deletes round.
  *
  * @param Entity\LeagueImpl $league
  * @param Entity\RoundImpl $round
  * @throws RDException
  */
 public function deleteRound($league, $round)
 {
     $q = 'UPDATE ' . DB_NAME . '.round SET league_id = ? WHERE round_id = ?;';
     //create Prepared statement
     $stmt = $this->dbConnection->prepare($q);
     //bind parameter to query
     $null = null;
     $roundId = $round->getId();
     $stmt->bindParam(1, $null);
     $stmt->bindParam(2, $roundId, \PDO::PARAM_INT);
     //execute query
     if ($stmt->execute()) {
         echo 'link deleted successfully';
     } else {
         throw new RDException('Deletion of link unsuccessful');
     }
 }
 /**
  * Deletes round.
  * 
  * @param Entity\RoundImpl $round to delete
  * @throws RDException
  */
 public function delete($round)
 {
     if ($round->getId() == -1) {
         //if round isn't persistent, we are done
         return;
     }
     //Prepare mySQL query
     $q = 'DELETE FROM round WHERE round_id = ?;';
     //create Prepared statement
     $stmt = $this->dbConnection->prepare($q);
     //bind parameter to query
     $roundId = $round->getId();
     $stmt->bindParam(1, $roundId, \PDO::PARAM_INT);
     //execute query
     if ($stmt->execute()) {
         echo 'round deleted successfully';
     } else {
         throw new RDException('Deletion of round unsuccessful');
     }
 }