WvStreams
IObject.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2  *
3  * XPLC - Cross-Platform Lightweight Components
4  * Copyright (C) 2000-2003, Pierre Phaneuf
5  * Copyright (C) 2002, Net Integration Technologies, Inc.
6  * Copyright (C) 2002, Stéphane Lajoie
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation; either version 2.1 of
11  * the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21  * USA
22  */
23 
24 #ifndef __XPLC_IOBJECT_H__
25 #define __XPLC_IOBJECT_H__
26 
27 #if defined(__GNUC__) && __GNUC__ > 3
28 # pragma GCC system_header
29 #endif
30 
36 #include <xplc/uuid.h>
37 
38 #ifndef UNSTABLE
39 
46 #define UNSTABLE_INTERFACE static bool UNSTABLE_INTERFACE = true;
47 #else
48 #define UNSTABLE_INTERFACE
49 #endif
50 
51 class IWeakRef;
52 
65 class IObject {
67 public:
83  virtual unsigned int addRef() = 0;
84 
96  virtual unsigned int release() = 0;
97 
112  virtual IObject* getInterface(const UUID&) = 0;
113 
123  virtual IWeakRef* getWeakRef() = 0;
124 };
125 
127 DEFINE_IID(IObject, {0x8ca76e98, 0xb653, 0x43d7,
128  {0xb0, 0x56, 0x8b, 0x9d, 0xde, 0x9a, 0xbe, 0x9d}});
129 
130 #endif /* __XPLC_IOBJECT_H__ */
UNSTABLE_INTERFACE
#define UNSTABLE_INTERFACE
Used to mark an interface as unstable.
Definition: IObject.h:46
IObject::release
virtual unsigned int release()=0
Indicate that you are finished using this object.
uuid.h
IObject
Definition: IObject.h:65
IWeakRef
Definition: IWeakRef.h:36
_GUID
The structure underlying UUIDs.
Definition: uuid.h:94
IObject::getWeakRef
virtual IWeakRef * getWeakRef()=0
Return a weak reference to this object.
DEFINE_IID
DEFINE_IID(IObject, {0x8ca76e98, 0xb653, 0x43d7, {0xb0, 0x56, 0x8b, 0x9d, 0xde, 0x9a, 0xbe, 0x9d}})
IObject's IID.
IObject::getInterface
virtual IObject * getInterface(const UUID &)=0
Returns the requested XPLC interface.
IObject::addRef
virtual unsigned int addRef()=0
Indicate you are using this object.