public function addConnection(PdoConnectionInterface $connection)
  {
    $this->connections[\strtolower($connection->getName())] = $connection;

    return $connection;
  }
public function addConnection(PdoConnectionInterface $connection)
  {
    $this->connections[\strtolower($connection->getName())] = $connection;

    return $connection;
  }
public function addConnection ( PdoConnectionInterface $ connection ) { $ this -> connections [ \ strtolower ( $ connection -> getName ( ) ) ] = $ connection ; return $ connection ; }
Adds a Connection to the Pool

@param      PdoConnectionInterface  $connection  [description]

@return     connection
Adds a Connection to the Pool