private function getCodec($maxBlobSize = 0)
{
$idParser = new BasicEntityIdParser();
$serializerFactory = new SerializerFactory(new DataValueSerializer());
$deserializerFactory = new DeserializerFactory(new DataValueDeserializer(), $idParser);
$codec = new EntityContentDataCodec($idParser, $serializerFactory->newEntitySerializer(), $deserializerFactory->newEntityDeserializer(), $maxBlobSize);
return $codec;
}
public function exportTransformProvider()
{
$entity = $this->newEntity();
$internalSerializer = WikibaseRepo::getDefaultInstance()->getInternalEntitySerializer();
$oldBlob = json_encode($internalSerializer->serialize($entity));
// fake several old formats
$type = $entity->getType();
$id = $entity->getId()->getSerialization();
// replace "type":"item","id":"q7" with "entity":["item",7]
$veryOldBlob = preg_replace('/"type":"\\w+"(,"datatype":"\\w+")?,"id":"\\w\\d+"/', '"entity":["' . strtolower($type) . '",' . substr($id, 1) . ']$1', $oldBlob);
// replace "entity":["item",7] with "entity":"q7"
$veryVeryOldBlob = preg_replace('/"entity":\\["\\w+",\\d+\\]/', '"entity":"' . strtolower($id) . '"', $veryOldBlob);
// sanity (cannot compare $veryOldBlob and $oldBlob until we have the new serialization in place)
if ($veryVeryOldBlob === $veryOldBlob) {
throw new RuntimeException('Failed to fake very old serialization format based on oldish serialization format.');
}
// make new style blob
$newSerializerFactory = new SerializerFactory(new DataValueSerializer());
$newSerializer = $newSerializerFactory->newEntitySerializer();
$newBlob = json_encode($newSerializer->serialize($entity));
return array('old serialization / ancient id format' => array($veryVeryOldBlob, $newBlob), 'old serialization / new silly id format' => array($veryOldBlob, $newBlob), 'old serialization / old serializer format' => array($oldBlob, $newBlob), 'new serialization format, keep as is' => array($newBlob, $newBlob));
}