public function build($validation)
{
$mapping = new Mapping($this->buildMapEntryCollection($validation));
$mapping->setLowerBound(0.0);
$mapping->setUpperBound($this->getUpperBound($validation));
$mapping->setDefaultValue(0.0);
return $mapping;
}
/**
* Unmarshall a DOMElement object corresponding to a QTI mapping element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A Mapping object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$mapEntriesElts = self::getChildElementsByTagName($element, 'mapEntry');
$mapEntries = new MapEntryCollection();
foreach ($mapEntriesElts as $mapEntryElt) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($mapEntryElt, array($this->getBaseType()));
$mapEntries[] = $marshaller->unmarshall($mapEntryElt);
}
try {
$object = new Mapping($mapEntries);
if (($defaultValue = static::getDOMElementAttributeAs($element, 'defaultValue', 'float')) !== null) {
$object->setDefaultValue($defaultValue);
}
if (($lowerBound = static::getDOMElementAttributeAs($element, 'lowerBound', 'float')) !== null) {
$object->setLowerBound($lowerBound);
}
if (($upperBound = static::getDOMElementAttributeAs($element, 'upperBound', 'float')) !== null) {
$object->setUpperBound($upperBound);
}
return $object;
} catch (InvalidArgumentException $e) {
$msg = "A 'mapping' element must contain at least one 'mapEntry' element. None found";
throw new UnmarshallingException($msg, $element, $e);
}
}