protected function _loadMagentoItems()
 {
     $this->_totalCount = $this->_result->getNumFound();
     $ids = array();
     foreach ($this->_result->getHits() as $prod) {
         $ids[] = $this->getMagentoParentId($prod);
     }
     $collection = Mage::getResourceModel('catalog/product_collection');
     $collection->addFieldToFilter('entity_id', array('in' => $ids));
     if (count($ids)) {
         $collection->getSelect()->order(new Zend_Db_Expr('FIELD(e.entity_id, ' . implode(',', $ids) . ')'));
     }
     $collection->addAttributeToSelect('*');
     $this->_select = $collection->getSelect();
 }
 protected function _setEnumCounts()
 {
     $enumCounts = array();
     foreach ($this->_result->getHits() as $productInfo) {
         foreach ($this->_facetableEnumAttributes as $attribute) {
             if (isset($productInfo->parent_id) && isset($productInfo->{$attribute})) {
                 $values = $productInfo->{$attribute};
                 if (!is_array($values)) {
                     $values = array($values);
                 }
                 foreach ($values as $value) {
                     $enumCounts[$attribute][$value][$productInfo->parent_id] = 1;
                 }
             }
         }
     }
     foreach ($enumCounts as $attributeCode => $values) {
         foreach ($values as $value => $counts) {
             $value = strtolower($value);
             $this->_enumCounts[$attributeCode][$value] = count($counts);
         }
     }
 }