Controller_Data_Mongo::tryLoadBy PHP Метод

    public function tryLoadBy($model, $field, $cond = UNDEFINED, $value = UNDEFINED)
    {
        $condition_freeze = $model->_table[$this->short_name]['conditions'];
        $this->addCondition($model, $field, $cond, $value);
        $this->tryLoadAny($model);
        $model->_table[$this->short_name]['conditions'] = $condition_freeze;
        return $model->id;
    }