protected function indexProperty(Document $document, \core_kernel_classes_Property $property)
{
$indexes = $property->getPropertyValues(new \core_kernel_classes_Property('http://www.tao.lu/Ontologies/TAO.rdf#PropertyIndex'));
foreach ($indexes as $indexUri) {
$index = new Index($indexUri);
$id = $index->getIdentifier();
$strings = $index->tokenize($this->resource->getPropertyValues($property));
if (!empty($strings)) {
if ($index->isFuzzyMatching()) {
// cannot store multiple fuzzy strings
$string = implode(' ', $strings);
$field = Document\Field::Text($index->getIdentifier(), $string);
$field->isStored = $index->isStored();
$document->addField($field);
} else {
$value = count($strings) > 1 ? $strings : reset($strings);
$field = Document\Field::Keyword($index->getIdentifier(), $value);
$field->isStored = $index->isStored() && !is_array($value);
// storage of arrays not supported
$document->addField($field);
}
}
}
}
