/**
* @param boolean load/or just return collection
*/
protected function _load($load = true)
{
$this->collection->clear();
if ($this->_where) {
$this->collection->set_where($this->_where);
}
if ($this->_order) {
$this->collection->set_order($this->_order);
}
return $load ? $this->collection->load() : $this->collection;
}