Re: [Swig-user] Swig-Java: Issue with overloading/overriding parent class inherited functions

[William S F. <ws...@fu...>]

On 06/09/11 11:09, REKAPALLI, Prasant wrote:
> Hi All,
>
> I missed a few key things in the last message post. Here is a re-post.
>
> I have the following class structure in c++ for which I am trying to create a Java interface using SWIG.
>
> class A
> {
> virtual double MyFunc(double d);
> virtual double MyFunc(MyClass p);
> }
>
> class B : A
> {
>
> }
>
> class C : B
> {
> using B::MyFunc;
> double MyFunc(MyClass p);
> }
>
> I have the following issue with the Java Interface that is created:
>
> The Java class created for 'C' contains two definitions for the function 'double MyFunc(MyClass)', each one calling a different static function to JNI. This does not happen with 'double MyFunc(double)' as expected. Any ideas as to why this behaviour is occurring? I am compiling without using directors.
>

It would help if you posted code that compiled. Here is what I guess you 
are using:

%inline %{
struct MyClass {};
struct A
{
   virtual double MyFunc(double d);
   virtual double MyFunc(MyClass p);
};

struct B : A
{

};

struct C : B
{
   using B::MyFunc;
   double MyFunc(MyClass p);
};

%}

For which I get in C.java:

public class C extends B {
...

   public double MyFunc(double d) {
     return exampleJNI.C_MyFunc__SWIG_0_0(swigCPtr, this, d);
   }

   public double MyFunc(MyClass p) {
     return exampleJNI.C_MyFunc__SWIG_1(swigCPtr, this, 
MyClass.getCPtr(p), p);
   }

...
}

which looks correct to me. Which version are you using? Try swig-2.0.4.

William