/**
  * Unmarshall an extended version of an assessmentItemRef DOMElement into 
  * a ExtendedAssessmentItemRef object.
  * 
  * @return ExtendedAssessmentItemRef A ExtendedAssessmentItemRef object.
  */
 protected function unmarshall(DOMElement $element)
 {
     $baseComponent = parent::unmarshall($element);
     $identifier = $baseComponent->getIdentifier();
     $href = $baseComponent->getHref();
     $compactAssessmentItemRef = new ExtendedAssessmentItemRef($identifier, $href);
     $compactAssessmentItemRef->setRequired($baseComponent->isRequired());
     $compactAssessmentItemRef->setFixed($baseComponent->isFixed());
     $compactAssessmentItemRef->setPreConditions($baseComponent->getPreConditions());
     $compactAssessmentItemRef->setBranchRules($baseComponent->getBranchRules());
     $compactAssessmentItemRef->setItemSessionControl($baseComponent->getItemSessionControl());
     $compactAssessmentItemRef->setTimeLimits($baseComponent->getTimeLimits());
     $compactAssessmentItemRef->setTemplateDefaults($baseComponent->getTemplateDefaults());
     $compactAssessmentItemRef->setWeights($baseComponent->getWeights());
     $compactAssessmentItemRef->setVariableMappings($baseComponent->getVariableMappings());
     $compactAssessmentItemRef->setCategories($baseComponent->getCategories());
     $responseDeclarationElts = self::getChildElementsByTagName($element, 'responseDeclaration');
     $responseDeclarations = new ResponseDeclarationCollection();
     foreach ($responseDeclarationElts as $responseDeclarationElt) {
         $marshaller = $this->getMarshallerFactory()->createMarshaller($responseDeclarationElt);
         $responseDeclarations[] = $marshaller->unmarshall($responseDeclarationElt);
     }
     $compactAssessmentItemRef->setResponseDeclarations($responseDeclarations);
     $outcomeDeclarationElts = self::getChildElementsByTagName($element, 'outcomeDeclaration');
     $outcomeDeclarations = new OutcomeDeclarationCollection();
     foreach ($outcomeDeclarationElts as $outcomeDeclarationElt) {
         $marshaller = $this->getMarshallerFactory()->createMarshaller($outcomeDeclarationElt);
         $outcomeDeclarations[] = $marshaller->unmarshall($outcomeDeclarationElt);
     }
     $compactAssessmentItemRef->setOutcomeDeclarations($outcomeDeclarations);
     $responseProcessingElts = self::getChildElementsByTagName($element, 'responseProcessing');
     if (count($responseProcessingElts) === 1) {
         $marshaller = $this->getMarshallerFactory()->createMarshaller($responseProcessingElts[0]);
         $compactAssessmentItemRef->setResponseProcessing($marshaller->unmarshall($responseProcessingElts[0]));
     }
     if (($adaptive = static::getDOMElementAttributeAs($element, 'adaptive', 'boolean')) !== null) {
         $compactAssessmentItemRef->setAdaptive($adaptive);
     }
     if (($timeDependent = static::getDOMElementAttributeAs($element, 'timeDependent', 'boolean')) !== null) {
         $compactAssessmentItemRef->setTimeDependent($timeDependent);
     } else {
         $msg = "The mandatory attribute 'timeDependent' is missing from element '" . $element->localName . "'.";
         throw new UnmarshallingException($msg, $element);
     }
     return $compactAssessmentItemRef;
 }
 /**
  * @depends testMarshallMinimal
  */
 public function testMarshallModerate()
 {
     $factory = new CompactMarshallerFactory();
     $component = new ExtendedAssessmentItemRef('Q01', './q01.xml');
     $weights = new WeightCollection();
     // some noise
     $weights[] = new Weight('W01', 1.0);
     $weights[] = new Weight('W02', 2.0);
     $responseDeclarations = new ResponseDeclarationCollection();
     $responseDeclarations[] = new ResponseDeclaration('R01', BaseType::INTEGER, Cardinality::SINGLE);
     $responseDeclarations[] = new ResponseDeclaration('R02', BaseType::BOOLEAN, Cardinality::SINGLE);
     $outcomeDeclarations = new OutcomeDeclarationCollection();
     $outcomeDeclarations[] = new OutcomeDeclaration('O01', BaseType::FLOAT, Cardinality::SINGLE);
     $outcomeDeclarations[] = new OutcomeDeclaration('O02', BaseType::FLOAT, Cardinality::SINGLE);
     $templateRules = new TemplateRuleCollection();
     $templateRules[] = new SetCorrectResponse('R01', new BaseValue(BaseType::INTEGER, 20));
     $templateProcessing = new TemplateProcessing($templateRules);
     $templateDefaults = new TemplateDefaultCollection();
     $templateDefaults[] = new TemplateDefault('T01', new BaseValue(BaseType::INTEGER, 20));
     $component->setWeights($weights);
     $component->setResponseDeclarations($responseDeclarations);
     $component->setOutcomeDeclarations($outcomeDeclarations);
     $component->setTemplateProcessing($templateProcessing);
     $component->setTemplateDefaults($templateDefaults);
     $marshaller = $factory->createMarshaller($component);
     $element = $marshaller->marshall($component);
     $this->assertInstanceOf('\\DOMElement', $element);
     $this->assertEquals('assessmentItemRef', $element->nodeName);
     $this->assertEquals('Q01', $element->getAttribute('identifier'));
     $this->assertEquals('./q01.xml', $element->getAttribute('href'));
     $weightElts = $element->getElementsByTagName('weight');
     $this->assertEquals(2, $weightElts->length);
     $this->assertEquals('W01', $weightElts->item(0)->getAttribute('identifier'));
     $this->assertEquals('W02', $weightElts->item(1)->getAttribute('identifier'));
     $responseDeclarationElts = $element->getElementsByTagName('responseDeclaration');
     $this->assertEquals(2, $responseDeclarationElts->length);
     $this->assertEquals('R01', $responseDeclarationElts->item(0)->getAttribute('identifier'));
     $this->assertEquals('R02', $responseDeclarationElts->item(1)->getAttribute('identifier'));
     $outcomeDeclarationElts = $element->getElementsByTagName('outcomeDeclaration');
     $this->assertEquals(2, $outcomeDeclarationElts->length);
     $this->assertEquals('O01', $outcomeDeclarationElts->item(0)->getAttribute('identifier'));
     $this->assertEquals('O02', $outcomeDeclarationElts->item(1)->getAttribute('identifier'));
     $templateProcessingElts = $element->getElementsByTagName('templateProcessing');
     $this->assertEquals(1, $templateProcessingElts->length);
     $templateProcessingElt = $templateProcessingElts->item(0);
     $baseValueElements = $templateProcessingElt->getElementsByTagName('baseValue');
     $this->assertEquals(1, $baseValueElements->length);
     $templateDefaultElts = $element->getElementsByTagName('templateDefault');
     $this->assertEquals(1, $templateDefaultElts->length);
 }