/**
* @param ControlField $field
*/
public function setControlField(ControlField $field)
{
$code = $field->getTag();
$this->controls[$code] = $field;
}
/**
* @param ControlField $field
*
* @return string
*/
private function convertControlField(ControlField $field)
{
return (string) $field->getContent() . File_MARC::END_OF_FIELD;
}