/**
* @see ContentHandler::unserializeContent
*
* @param string $blob
* @param string|null $format
*
* @throws MWContentSerializationException
* @return EntityContent
*/
public function unserializeContent($blob, $format = null)
{
$redirect = $this->contentCodec->decodeRedirect($blob, $format);
if ($redirect !== null) {
return $this->makeEntityRedirectContent($redirect);
} else {
$holder = new DeferredDecodingEntityHolder($this->contentCodec, $blob, $format, $this->getEntityType());
$entityContent = $this->makeEntityContent($holder);
return $entityContent;
}
}
/**
* @see ContentHandler::unserializeContent
*
* @param string $blob
* @param string|null $format
*
* @throws MWContentSerializationException
* @return EntityContent
*/
public function unserializeContent($blob, $format = null)
{
$redirect = $this->contentCodec->decodeRedirect($blob, $format);
if ($redirect) {
if ($redirect === null) {
throw new MWContentSerializationException('The serialized data contains neither an Entity nor an EntityRedirect!');
}
return $this->makeEntityRedirectContent($redirect);
} else {
$holder = new DeferredDecodingEntityHolder($this->contentCodec, $blob, $format, $this->getEntityType());
$entityContent = $this->makeEntityContent($holder);
return $entityContent;
}
}
/**
* Construct an EntityRevision object from a database row from the revision and text tables.
*
* @see loadEntityBlob()
*
* @param object $row a row object as expected Revision::getRevisionText(). That is, it
* should contain the relevant fields from the revision and/or text table.
*
* @throws MWContentSerializationException
* @return object[] list( EntityRevision|null $entityRevision, EntityRedirect|null $entityRedirect )
* with either $entityRevision or $entityRedirect or both being null (but not both being non-null).
*/
private function loadEntity($row)
{
$blob = $this->loadEntityBlob($row);
$entity = $this->contentCodec->decodeEntity($blob, $row->rev_content_format);
if ($entity) {
$entityRevision = new EntityRevision($entity, (int) $row->rev_id, $row->rev_timestamp);
$result = array($entityRevision, null);
} else {
$redirect = $this->contentCodec->decodeRedirect($blob, $row->rev_content_format);
if (!$redirect) {
throw new MWContentSerializationException('The serialized data contains neither an Entity nor an EntityRedirect!');
}
$result = array(null, $redirect);
}
return $result;
}
