Files.php

<?php

class Files extends Nmc_Db_Table
{
    protected $_primary = 'fileId';
    protected $_rowClass = 'File';

    static protected $_instance;

    /**
     * Returns the one true instance
     *
     * @param array [optional] $config
     * @return Files
     */
    static public function getInstance($config = array())
    {
        if(!self::$_instance) {
            self::$_instance = new Files($config);
        }
        return self::$_instance;
    }
}

?>