Arcane  4.1.12.0
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Observer.cc
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2026 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/* Observer.cc (C) 2000-2025 */
9/* */
10/* Observer. */
11/*---------------------------------------------------------------------------*/
12/*---------------------------------------------------------------------------*/
13
14#include "arccore/base/Observer.h"
15#include "arccore/base/FatalErrorException.h"
16#include "arccore/base/TraceInfo.h"
17
18/*---------------------------------------------------------------------------*/
19/*---------------------------------------------------------------------------*/
20
21namespace Arcane
22{
23
24/*---------------------------------------------------------------------------*/
25/*---------------------------------------------------------------------------*/
26
27AbstractObserver::
28~AbstractObserver()
29{
30 if (m_observable)
31 m_observable->detachObserver(this);
32}
33
34/*---------------------------------------------------------------------------*/
35/*---------------------------------------------------------------------------*/
36
37void AbstractObserver::
38attachToObservable(IObservable* obs)
39{
40 if (m_observable)
41 ARCCORE_FATAL("Observer is already attached");
42 m_observable = obs;
43}
44
45/*---------------------------------------------------------------------------*/
46/*---------------------------------------------------------------------------*/
47
48void AbstractObserver::
49detach()
50{
51 m_observable = 0;
52}
53
54/*---------------------------------------------------------------------------*/
55/*---------------------------------------------------------------------------*/
56
57} // End namespace Arcane
58
59/*---------------------------------------------------------------------------*/
60/*---------------------------------------------------------------------------*/
ARCCORE_FATAL
#define ARCCORE_FATAL(...)
Macro throwing a FatalErrorException.
Definition ArccoreGlobal.h:549
Arcane::AbstractObserver::detach
void detach() override
Detaches from the observable.
Definition Observer.cc:49
Arcane::AbstractObserver::attachToObservable
void attachToObservable(IObservable *obs) override
Attaches to the observable obs.
Definition Observer.cc:38
Arcane
-- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature --
Definition AbstractCaseDocumentVisitor.cc:21