/*
 * Copyright (c) 2002, Stefan Farfeleder <e0026813@stud3.tuwien.ac.at>
 * $Id: objhandle.h,v 1.2 2002/09/19 10:42:02 stefan Exp $
 */
#ifndef JFK_OBJHANDLE_H
#define JFK_OBJHANDLE_H

#include "object_s.h"

namespace JFK {

namespace server {

/* A handle class for a JFK::server::object. It uses the refcnt member to
 * decide when to free it. */
class objhandle
{
public:
    objhandle()
        : o(NULL) {}
    objhandle(object* obj)
        : o(gethandle(obj)) {}
    objhandle(const objhandle& oh)
        : o(gethandle(oh.o)) {}
    ~objhandle()                    { freehandle(o); }

    /* Return a handle to a *copied* object. */
    objhandle       clone() const   { return o->clone(); }
    object*         p() const       { return o; }
    object*         operator->() const { return p(); }

    operator object*() const        { return p(); }
    operator bool() const           { return o != NULL; }

    objhandle&      operator=(const objhandle& oh);

    /* Copy the content of the object controlled by 'oh' into ours. */
    void            assign(const objhandle oh);

private:
    object*         gethandle(object* obj);
    void            freehandle(object* obj);

    object      *o;
};

}

}

#endif