Arcane  v3.14.10.0
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RefBase.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* RefBase.h (C) 2000-2024 */
9/* */
10/* Classe de base de la gestion des références sur une instance. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCCORE_BASE_REFBASE_H
13#define ARCCORE_BASE_REFBASE_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arccore/base/ExternalRef.h"
18#include "arccore/base/RefDeclarations.h"
19
20/*---------------------------------------------------------------------------*/
21/*---------------------------------------------------------------------------*/
22
23namespace Arccore
24{
25
26/*---------------------------------------------------------------------------*/
27/*---------------------------------------------------------------------------*/
31class ARCCORE_BASE_EXPORT RefBase
32{
33 friend class ReferenceCounterImpl;
34 template <typename InstanceType> friend class impl::ReferenceCounterWrapper;
35
36 protected:
37
38 class ARCCORE_BASE_EXPORT BasicDeleterBase
39 {
40 };
41
42 class ARCCORE_BASE_EXPORT DeleterBase
43 {
44 using ExternalRef = Internal::ExternalRef;
45 friend class ReferenceCounterImpl;
46
47 public:
48
49 bool hasExternal() const { return m_handle.isValid(); }
50 void setNoDestroy(bool x) { m_no_destroy = x; }
51
52 protected:
53
54 bool _destroyHandle(const void* instance, ExternalRef& handle);
55 bool _destroyHandle(void* instance, ExternalRef& handle);
56
57 private:
58
59 bool _destroyHandleTrue(const void* instance, ExternalRef& handle);
60
61 protected:
62
63 DeleterBase() = default;
64 DeleterBase(ExternalRef h)
65 : m_handle(std::move(h))
66 {}
67 DeleterBase(ExternalRef h, bool no_destroy)
68 : m_handle(std::move(h))
69 , m_no_destroy(no_destroy)
70 {}
71
72 protected:
73
75 Internal::ExternalRef m_handle;
80 bool m_no_destroy = false;
81 };
82};
83
84/*---------------------------------------------------------------------------*/
85/*---------------------------------------------------------------------------*/
86
87} // namespace Arccore
88
89/*---------------------------------------------------------------------------*/
90/*---------------------------------------------------------------------------*/
91
92#endif
Arccore::Internal::ExternalRef
Gestion des références sur un objet externe.
Definition arccore/src/base/arccore/base/ExternalRef.h:45
Arccore::RefBase::DeleterBase::m_handle
Internal::ExternalRef m_handle
Handle externe qui se charge de la destruction de l'instance.
Definition RefBase.h:75
Arccore::RefBase
Classe de base de gestion d'une référence.
Definition RefBase.h:32
Arccore::ReferenceCounterImpl
Implémentation thread-safe d'un compteur de référence.
Definition ReferenceCounterImpl.h:80
Arccore::impl::ReferenceCounterWrapper
Wrapper autour d'une classe gérant son propre compteur de référence.
Definition arccore/src/base/arccore/base/Ref.h:33
Arccore
Espace de nom de Arccore.
Definition ArcaneTypes.h:24