Implementation of captain's chair in java

CaptainsChair.java

/**
* Class that represnets a "Captain's Chair"
* It extends the {@link Chair} class and implements the {@link Conn} interface,
* providing a place to sit and control of the ship
* 
* TODO Make into a singleton pattern
*/
class CaptainsChair extends Chair implements Conn {
  
  /**
   * Implements the {@link Officer} interface. Represents the captain.
   */
  private Officer captain;
  
  /**
   * Implements the {@link Officer} and {@link Position} interfaces. Represents the crew.
   */
  private Map<Position, Officer> crew;
  
  /**
   * Creates a new instance of captain's chair.
   * 
   * @param off The officer who sits in the chiar
   */
  CaptainsChair(Officer off) {
    super();
    officer.setConn(true);
    user = off;
  }
  
  @Override
  boolean hasTheConn() {
    return true;
  }
  
  /**
   * Deploy orders to all crew
   * 
   * @param order The order to deploy
   */
  void deployOrders(Order order) {
    for(Officer officer: this.crew) {
      crew.setOrders(order);
    }
  }
  
  /**
   * Deploy orders to speficic crewmember
   * @param order The order to deploy
   */
  void deployOrders(Order order, Officer off) {
    for(Officer officer: this.crew) {
      if(officer.equals(name)) {
        officer.setOrders(order);
        return;
      }
    }
  }
  
  /**
   * Sets course for ship
   * 
   * @param order Contains the new course for the ship
   */
  void setCourse(Order order) {
    Position helm = new Position("Helm");
    Office helmsman = crew.get(helm);
    if(helmsman != null)
      deployOrders(order, helmsman)
    else {
      this.deployOrders(order, this.captain);
    }
  }
  
  /*
   * Not implemented due to trivial nature
   */
  Collection<Officer> getCrew() {}
  Officer getCrewMember(String name){}
  void setCrew() {}
  void addCrewMember(Officer off) {}
}