protected Key getMetadataKeyForBlobKey(BlobKey blobKey) {
String origNamespace = NamespaceManager.get();
NamespaceManager.set("");
try {
return KeyFactory.createKey(null, BlobInfoFactory.KIND, blobKey.getKeyString());
} finally {
NamespaceManager.set(origNamespace);
}
}
private Entity getBlobFileIndexEntity(String creationHandle) throws EntityNotFoundException {
DatastoreService datastore = getDatastoreService();
return datastore.get(KeyFactory.createKey(BLOB_FILE_INDEX_KIND, creationHandle));
}
private Entity getBlobInfoEntityDirectly(String creationHandle) throws EntityNotFoundException {
Entity blobFileIndexEntity = getBlobFileIndexEntity(creationHandle);
String blobKey = getBlobKey(blobFileIndexEntity);
return getDatastoreService().get(KeyFactory.createKey(BlobInfoFactory.KIND, blobKey));
}