private function doResolveAntecedentHierarchyRecursively(DIWikiPage $subject, array $propertySearchPattern, RequestOptions $requestOptions, $currentDepth = 0)
{
$dataItem = null;
if ($propertySearchPattern === array()) {
return null;
}
$property = array_shift($propertySearchPattern);
$propertyValues = $this->store->getPropertyValues($subject, DIProperty::newFromUserLabel($property), $requestOptions);
if ($propertyValues === array()) {
return null;
}
foreach ($propertyValues as $value) {
if (!$value instanceof DIWikiPage || $subject->equals($value)) {
continue;
}
// A flat display can only display one parent in its hierarchy
$dataItem = $value;
break;
}
if ($dataItem === null) {
return null;
}
$this->antecedentHierarchyLinks[] = $dataItem;
$currentDepth++;
return $this->doResolveAntecedentHierarchyRecursively($dataItem, $propertySearchPattern, $requestOptions, $currentDepth);
}
/**
* Compare and find changes related to conversion factor
*
* @since 1.9
*/
protected function compareConversionTypedFactors()
{
Profiler::In(__METHOD__, true);
$pconversion = new DIProperty(DIProperty::TYPE_CONVERSION);
$newfactors = $this->semanticData->getPropertyValues($pconversion);
$oldfactors = $this->store->getPropertyValues($this->semanticData->getSubject(), $pconversion);
$this->notifyUpdateDispatcher(!$this->isEqual($oldfactors, $newfactors));
Profiler::Out(__METHOD__, true);
}