/**
  * Marshall a RandomFloat object into a DOMElement object.
  *
  * @param \qtism\data\QtiComponent $component A RandomFloat object.
  * @return \DOMElement The according DOMElement object.
  */
 protected function marshall(QtiComponent $component)
 {
     $element = static::getDOMCradle()->createElement($component->getQtiClassName());
     self::setDOMElementAttribute($element, 'min', $component->getMin());
     self::setDOMElementAttribute($element, 'max', $component->getMax());
     return $element;
 }
 /**
  * Unmarshall an AnyN object into a QTI anyN element.
  * 
  * @param QtiComponent The AnyN object to marshall.
  * @param array An array of child DOMEelement objects.
  * @return DOMElement The marshalled QTI anyN element.
  */
 protected function marshallChildrenKnown(QtiComponent $component, array $elements)
 {
     $element = self::getDOMCradle()->createElement($component->getQtiClassName());
     self::setDOMElementAttribute($element, 'min', $component->getMin());
     self::setDOMElementAttribute($element, 'max', $component->getMax());
     foreach ($elements as $elt) {
         $element->appendChild($elt);
     }
     return $element;
 }
 /**
  * Marshall a RandomInteger object into a DOMElement object.
  * 
  * @param QtiComponent $component A RandomInteger object.
  * @return DOMElement The according DOMElement object.
  */
 protected function marshall(QtiComponent $component)
 {
     $element = static::getDOMCradle()->createElement($component->getQtiClassName());
     self::setDOMElementAttribute($element, 'min', $component->getMin());
     self::setDOMElementAttribute($element, 'max', $component->getMax());
     if ($component->getStep() !== 1) {
         // default value of the step attribute is 1.
         self::setDOMElementAttribute($element, 'step', $component->getStep());
     }
     return $element;
 }