Switch switchB = new Switch();
switchB.setName(switchA.getName());
switchB.setX(switchA.getX());
switchB.setY(switchA.getY());
switchB.setState(switchA.getState());
netTopologyB.addSwitch(switchB);
}
for (Connection connectionA : netTopologyA.getConnections()) {
Connection connectionB = new Connection();
for (Interface interA : connectionA.getInterfaces()) {