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

using namespace JFK::server;

object*
objhandle::gethandle(object* obj)
{
    if (obj != NULL) obj->refcnt++;
    return obj;
}   

void
objhandle::freehandle(object* obj)
{
    if (obj != NULL)
    {
        assert(obj->refcnt > 0);
        if (--obj->refcnt == 0) delete obj;
    }
}

objhandle&
objhandle::operator=(const objhandle& oh)
{
    if (&oh != this)
    {
        freehandle(o);
        o = gethandle(oh.o);
    }
    return *this;
}

void
objhandle::assign(const objhandle oh)
{
    /* save old refcnt!!! */
    int     tmp = o->refcnt;

    o->assign(oh.o);

    o->refcnt = tmp;
}