Returning an object.

[John Ronan]

Howdy.  
I have an object which has a method that returns a pointer to another
object... I'm doing something silly but I really don't know where I'm
going wrong.  If anyone could point out where i'm wrong I would be most
grateful....

Here is the main IDL
module CorBot {
  interface Robot{

    // 
    exception ServerError{string  reason;boolean itIsFatal;};

    readonly attribute short GripPosn;
.
.
.    
    short Grip(in short posn)
	raises(ServerError);
.
.
  };  
  interface RobotController{
	
  exception NoRobotsLeft{string reason;};
  readonly attribute short nmrOfAvailableRobots;

  Robot GetRobot()
	raises(NoRobotsLeft);
  };
};

-- Main client code -----------------


CorBot::RobotController_var localRobotControllerObject = CorBot::RobotController::_narrow(obj);
    
    if (CORBA::is_nil(localRobotControllerObject)) {
     cerr << "Corbot_clt: cannot invoke on a nil object reference.\n" << endl;
      return 1;
     }
    
   
    CorBot::Robot_var herbie;    
    // Client never get's past this... I always catch an unknown 
    // system exception
    herbie=localRobotControllerObject->GetRobot(); 

---Implementation code------------

class RobotController_i: public virtual CorBot::_sk_RobotController {
  CORBA::Short m_nmrOfAvailableRobots;

public:
  RobotController_i(void);
  virtual ~RobotController_i(void); 
  
  virtual CORBA::Short nmrOfAvailableRobots(){
    return m_nmrOfAvailableRobots;
  }
  virtual CorBot::Robot* GetRobot();
};

CorBot::Robot* RobotController_i::GetRobot(){

  if(m_nmrOfAvailableRobots==0){
    throw CorBot::RobotController::NoRobotsLeft("Out of robots, please try
again later");
  }
  
  CorBot::Robot* m_TempRobotPointer=new Robot_i();
  return CorBot::Robot::_duplicate(m_TempRobotPointer);
}
----------------------------------------------

Aplogys for the long mail, 
TNX for your patience
J

--
John Ronan EI7IG: j0n@spirit.wit.ie, jronan@unix1.wit.ie
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