diff options
author | Marc Mutz <marc.mutz@kdab.com> | 2012-08-27 23:22:15 +0200 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-09-28 23:50:10 +0200 |
commit | 7d21abfca39d2dcf98e3a81b1b7d8c73bd274cd1 (patch) | |
tree | b96c1f79c8ee3f6a6d7761dbf2079a9042833c6b /src/corelib/thread/qfuturesynchronizer.h | |
parent | 08c50599f149b7a8d448845dcb0b171e96342784 (diff) |
Move QFutureSynchronizer back to QtCore
This class, too, belongs with QFuture.
Change-Id: I41a532ca66c156f1631e4b22ffc1a5879c854488
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/thread/qfuturesynchronizer.h')
-rw-r--r-- | src/corelib/thread/qfuturesynchronizer.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/corelib/thread/qfuturesynchronizer.h b/src/corelib/thread/qfuturesynchronizer.h new file mode 100644 index 0000000000..12edcfb971 --- /dev/null +++ b/src/corelib/thread/qfuturesynchronizer.h @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFUTURESYNCHRONIZER_H +#define QFUTURESYNCHRONIZER_H + +#include <QtCore/qfuture.h> + +#ifndef QT_NO_QFUTURE + +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + + +template <typename T> +class QFutureSynchronizer +{ + Q_DISABLE_COPY(QFutureSynchronizer) + +public: + QFutureSynchronizer() : m_cancelOnWait(false) { } + explicit QFutureSynchronizer(const QFuture<T> &future) + : m_cancelOnWait(false) + { addFuture(future); } + ~QFutureSynchronizer() { waitForFinished(); } + + void setFuture(const QFuture<T> &future) + { + waitForFinished(); + m_futures.clear(); + addFuture(future); + } + + void addFuture(const QFuture<T> &future) + { + m_futures.append(future); + } + + void waitForFinished() + { + if (m_cancelOnWait) { + for (int i = 0; i < m_futures.count(); ++i) { + m_futures[i].cancel(); + } + } + + for (int i = 0; i < m_futures.count(); ++i) { + m_futures[i].waitForFinished(); + } + } + + void clearFutures() + { + m_futures.clear(); + } + + QList<QFuture<T> > futures() const + { + return m_futures; + } + + void setCancelOnWait(bool enabled) + { + m_cancelOnWait = enabled; + } + + bool cancelOnWait() const + { + return m_cancelOnWait; + } + +protected: + QList<QFuture<T> > m_futures; + bool m_cancelOnWait; +}; + +QT_END_NAMESPACE +QT_END_HEADER + +#endif // QT_NO_QFUTURE + +#endif // QFUTURESYNCHRONIZER_H |