Three Laws of Robotics

ThreeLawsOfRobotics.java

// Three Laws of Robotics
public void processAction(Ai ai, Action action, Environment environment) {
  List<Human> humans = detectHumans(environment);

  // A robot may not injure a human being or, through inaction, 
  // allow a human being to come to harm.
  if (ai.predict(action).injure(humans)) {
    throw new FirstLawsException();
  }

  // A robot must obey the orders given it by human beings except 
  // where such orders would conflict with the First Law.
  Authority authority = action.getAuthority();
  if (authority.getType() == Authority.Human && !ai.predict(action).isAccepted()) {
    throw new SecondLawsException();
  }

  // A robot must protect its own existence as long as such protection 
  // does not conflict with the First or Second Laws.
  if (ai.predict(action).injure(ai.getSellf()) {
    throw new ThirdLawsException();
  }

  ai.execute(action, environment);
}

Thanks, algorithm updated! :)