rawGraphDB.getReferenceNode().delete();
tx.success();
} catch (Exception e) {
tx.failure();
} finally {
tx.finish();
}
GlobalGraphOperations graphOperations = GlobalGraphOperations.at(rawGraphDB);
if (this.vertexIndexKeys.size() > 0)
populateKeyIndices(rawGraphDB, rawGraphDB.index().getNodeAutoIndexer(), graphOperations.getAllNodes(), Vertex.class);