Factory design pattern issue

[ayanda83]

hi there. I have a base class "Shape" where I derive other classes like "Circle", "Square" "Rectangle" etc. Now I have a function that takeS one parameter of type "Shape" and then within the function I have to get the name of the class that was passed to the function and I am getting the class name through QMetaObject. This is how I get the class name:

QString getClassName(Shape* shapeObj){
const QMetaObject meta = shapeObj->QMetaObject();
return meta->className();
}

QString getClassName(Shape* shapeObj){
const QMetaObject meta = shapeObj->QMetaObject();
return meta->className();
}

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Outside the function I have instantiated two instances of "Shape" in the following manner:

Shape* circleObj = new Circle();
Shape* squareObj = new Square();

Shape* circleObj = new Circle();
Shape* squareObj = new Square();

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After that I pass these objects to my function

void getClassName(Shape* shapeObj)

void getClassName(Shape* shapeObj)

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. This function is suppose to get the class name of a passed object. for exmple: If i pass the object "circleObj" to the function the function must return the class name "Circle" but instead the function always returns the base class name "Shape".

HOW CAN I FIX THIS?