}
@SuppressWarnings("unchecked")
@Override
public Connection<BijectiveConnectionMode> getSelfConnection() {
Edge edge = new NullaryEdgeImpl(db, getNode().getId());
return new Connection<BijectiveConnectionMode>((Connector<BijectiveConnectionMode>) Connector.getInstance(edge.getType().getConnectorType(NullaryEdgeTypeImpl.NULLARYCONNECTORNAME), edge), this);
}