protected function setFieldValue($field_value_id)
    {
        $this->data_field_value = array();

        if (is_numeric($field_value_id)) {

            $conditions = array(
                'language' => 'und',
                'field_value_id' => $field_value_id
            );

            $this->data_field_value = $this->field_value->get($conditions);

            if (empty($this->data_field_value)) {
                $this->outputHttpStatus(404);
            }

            $this->prepareFieldValue($this->data_field_value);
        }
    }