public function setDefaultHost($host, $port = null) {
		$this->defaultHost = (string) $host;
		
		if ($port !== null) {
			$this->setDefaultPort($port);
		}
		
		return $this;
	}
public function setDefaultHost($host, $port = null) {
		$this->defaultHost = (string) $host;
		
		if ($port !== null) {
			$this->setDefaultPort($port);
		}
		
		return $this;
	}
public function setDefaultHost ( $ host , $ port = null ) { $ this -> defaultHost = ( string ) $ host ; if ( $ port !== null ) { $ this -> setDefaultPort ( $ port ) ; } return $ this ; }
Set default host for each server

@param  string $host
@return MongoAdapter
Set default host for each server