Get attributes via Flat table instead of EAV

Flat.php

<?php

/* 
 * Get attributes via Flat table instead of EAV alternative to the resource heavy
 * $product->getTypeInstance()->getConfigurableAttributesAsArray()
 * Source: http://www.atwix.com/magento/custom-resource-model-magento-product-flat-tables/
 */
class Company_Custom_Model_Resource_Flat extends Mage_Core_Model_Resource_Db_Abstract
{
    protected $_storeId;

    protected function _construct()
    {
        $this->_init('catalog/product_flat', 'entity_id');
        $this->_storeId = (int)Mage::app()->getStore()->getId();
    }

    public function getData($entityId)
    {
        $resource = Mage::getSingleton('core/resource');
        $select = $resource->getConnection('core_read')->select();
        $select
            ->from($this->getTable(array('catalog/product_flat', $this->_storeId)), '*')
            ->where('entity_id = :entity_id');

        $result = $resource->getConnection('core_read')->fetchAll($select, array('entity_id' => $entityId));

        return $result;
     }
}