Controller_Data_Mongo::getBy PHP Method

    public function getBy($model, $field, $cond = UNDEFINED, $value = UNDEFINED)
    {
        $condition_freeze = $model->_table[$this->short_name]['conditions'];
        $data_freeze = $model->data;
        $id_freeze = $model->id;
        $this->addCondition($model, $field, $cond, $value);
        $this->loadAny($model);
        $result = $model->data;
        $model->_table[$this->short_name]['conditions'] = $condition_freeze;
        $model->data = $data_freeze;
        $model->id = $id_freeze;
        return $result;
    }