public function loadFilterById($filterId)
{
$filters = new Gpf_Db_FilterCondition();
$filters->setFilterId($filterId);
$collection = $filters->loadCollection();
foreach ($collection as $filterCondition) {
if ($filterCondition->get(Gpf_Db_Table_FilterConditions::VALUE) != '') {
$this->add(array(Gpf_SqlBuilder_Filter::FILTER_CODE => $filterCondition->get(Gpf_Db_Table_FilterConditions::CODE), Gpf_SqlBuilder_Filter::FILTER_OPERATOR => $filterCondition->get(Gpf_Db_Table_FilterConditions::OPERATOR), Gpf_SqlBuilder_Filter::FILTER_VALUE => $filterCondition->get(Gpf_Db_Table_FilterConditions::VALUE)));
}
}
}