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// -*- Mode: C++; -*-
// Package : omniORB
// CORBA_AbstractBase.h Created on: 2004/02/16
// Author : Duncan Grisby
//
// Copyright (C) 2004 Apasphere Ltd.
//
// This file is part of the omniORB library
//
// The omniORB library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see http://www.gnu.org/licenses/
//
//
// Description:
// AbstractBase definitions
//
#ifndef INSIDE_OMNIORB_CORBA_MODULE
# error "Must only be #included by CORBA.h"
#endif
//////////////////////////////////////////////////////////////////////
//////////////////////////// AbstractBase ////////////////////////////
//////////////////////////////////////////////////////////////////////
class AbstractBase_var;
class AbstractBase {
public:
typedef AbstractBase_ptr _ptr_type;
typedef AbstractBase_var _var_type;
static _ptr_type _duplicate(_ptr_type);
static _ptr_type _narrow(_ptr_type);
static _ptr_type _nil();
inline Object_ptr _to_object() {
return Object::_duplicate(_NP_to_object());
}
inline ValueBase* _to_value() {
ValueBase* v = _NP_to_value();
add_ref(v);
return v;
}
protected:
AbstractBase();
AbstractBase(const AbstractBase&);
virtual ~AbstractBase();
//////////////////////
// omniORB internal //
//////////////////////
public:
virtual Boolean _NP_is_nil() const;
static _dyn_attr const char* _PD_repoId;
virtual Object_ptr _NP_to_object();
virtual ValueBase* _NP_to_value();
// Like standard versions, but do not duplicate return value
};
_CORBA_MODULE_FN inline Boolean is_nil(AbstractBase_ptr a)
{
if (a)
return a->_NP_is_nil();
else
return 1;
}
_CORBA_MODULE_FN void release(AbstractBase_ptr);
// Object reference classes for abstract interfaces (and thus object
// references for interfaces derived from abstract interfaces) inherit
// from both Object and AbstractBase, meaning that is_nil() and
// release() are ambiguous between Object and AbstractBase versions.
// This class and the associated functions resolve the ambiguity.
class _omni_AbstractBaseObjref :
public virtual Object,
public virtual AbstractBase
{
public:
virtual Boolean _NP_is_nil() const;
virtual Object_ptr _NP_to_object();
};
_CORBA_MODULE_FN inline Boolean is_nil(_omni_AbstractBaseObjref* a)
{
return is_nil(a->_NP_to_object());
}
_CORBA_MODULE_FN inline void release(_omni_AbstractBaseObjref* a)
{
release(a->_NP_to_object());
}
//////////////////////////////////////////////////////////////////////
//////////////////////////// AbstractBase_var ////////////////////////
//////////////////////////////////////////////////////////////////////
class AbstractBase_var {
public:
typedef AbstractBase T;
typedef AbstractBase_ptr T_ptr;
typedef AbstractBase_var T_var;
inline AbstractBase_var() : pd_ref(T::_nil()) {}
inline AbstractBase_var(T_ptr p) { pd_ref = p; }
inline AbstractBase_var(const T_var& p) : pd_ref(T::_duplicate(p.pd_ref)) {}
inline ~AbstractBase_var() { release(pd_ref); }
inline T_var& operator= (T_ptr p) {
release(pd_ref);
pd_ref = p;
return *this;
}
inline T_var& operator= (const T_var& p) {
if( pd_ref != p.pd_ref ) {
release(pd_ref);
pd_ref = T::_duplicate(p.pd_ref);
}
return *this;
}
inline T_ptr operator->() const { return pd_ref; }
inline operator T_ptr() const { return pd_ref; }
inline T_ptr in() const { return pd_ref; }
inline T_ptr& inout() { return pd_ref; }
inline T_ptr& out() {
if( !is_nil(pd_ref) ) {
release(pd_ref);
pd_ref = T::_nil();
}
return pd_ref;
}
inline T_ptr _retn() {
T_ptr tmp = pd_ref;
pd_ref = T::_nil();
return tmp;
}
private:
T_ptr pd_ref;
};
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