/**
* Serialize resource to JsonLD frame
* @param $resource
* @param null $frame
* @param array $options
* @return array
*/
public function serialize($resource, $frame = null, $options = array())
{
$frame = $frame ? $frame : $this->frame;
$options = $options ? $options : $this->options;
$parentClasses = array();
$typeResource = $this->typeMapperRegistry->getRdfClass(get_class($resource));
if (!$frame) {
$metadata = $this->metadataFactory->getMetadataForClass(get_class($resource));
// if no frame provided try to find the default one in the resource metadata
if (!$frame) {
$frame = $metadata->getFrame();
}
}
// load the frame
$frame = $this->loadFrame($frame, $typeResource, isset($options['includeParentClassFrame']) && $options['includeParentClassFrame'] === true);
// if compacting without context, extract it from the frame
if ($frame && !empty($options['compact']) && empty($options['context']) && isset($frame['@context'])) {
$options['context'] = $frame['@context'];
}
// if the $data is a resource, add the @id in the frame
if ($resource instanceof Resource && $frame && !isset($frame['@id'])) {
$frame['@id'] = $resource->getUri();
}
// get the graph form the GraphProvider
$graph = $this->provider->getGraph($resource, $frame);
$options['frame'] = json_encode($frame, JSON_FORCE_OBJECT);
return $graph->serialise('jsonld', $options);
}
/**
* Transform an elastica document to a resource.
*
* @param Document $document
*
* @return Resource|null
*/
public function reverseTransform(Document $document)
{
if ($document) {
$uri = $document->getParam('_id');
$type = $document->getParam('_type');
$graph = $this->serializerHelper->getGraph($document->getParam('_index'), $uri, $type);
$phpClass = $this->typeMapperRegistry->get($type);
if ($phpClass) {
return new $phpClass($uri, $graph);
}
return new Resource($uri, $graph);
}
return;
}