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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QOPCUA_OPCUAATTRIBUTECACHE_P_H
#define QOPCUA_OPCUAATTRIBUTECACHE_P_H
#include "qopcuatype.h"
#include <QtCore/qobject.h>
#include <private/qglobal_p.h>
#include <QtCore/qhash.h>
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
class OpcUaAttributeValue;
class OpcUaAttributeCache : public QObject
{
Q_OBJECT
public:
explicit OpcUaAttributeCache(QObject *parent = nullptr);
OpcUaAttributeValue *attribute(QOpcUa::NodeAttribute attribute);
const QVariant &attributeValue(QOpcUa::NodeAttribute);
public slots:
void setAttributeValue(QOpcUa::NodeAttribute attribute, const QVariant &value);
void invalidate();
private:
QHash<QOpcUa::NodeAttribute, OpcUaAttributeValue *> m_attributeCache;
};
QT_END_NAMESPACE
#endif // QOPCUA_OPCUAATTRIBUTECACHE_P_H
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