| 1 | // Copyright (C) 2021 The Qt Company Ltd. | 
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only | 
| 3 |  | 
| 4 | #ifndef QOPCUA_OPCUAATTRIBUTECACHE_P_H | 
| 5 | #define QOPCUA_OPCUAATTRIBUTECACHE_P_H | 
| 6 |  | 
| 7 | #include "qopcuatype.h" | 
| 8 | #include <QtCore/qobject.h> | 
| 9 | #include <private/qglobal_p.h> | 
| 10 | #include <QtCore/qhash.h> | 
| 11 |  | 
| 12 | // | 
| 13 | //  W A R N I N G | 
| 14 | //  ------------- | 
| 15 | // | 
| 16 | // This file is not part of the Qt API.  It exists purely as an | 
| 17 | // implementation detail.  This header file may change from version to | 
| 18 | // version without notice, or even be removed. | 
| 19 | // | 
| 20 | // We mean it. | 
| 21 | // | 
| 22 |  | 
| 23 |  | 
| 24 | QT_BEGIN_NAMESPACE | 
| 25 |  | 
| 26 | class OpcUaAttributeValue; | 
| 27 |  | 
| 28 | class OpcUaAttributeCache : public QObject | 
| 29 | { | 
| 30 |     Q_OBJECT | 
| 31 | public: | 
| 32 |     explicit OpcUaAttributeCache(QObject *parent = nullptr); | 
| 33 |     OpcUaAttributeValue *attribute(QOpcUa::NodeAttribute attribute); | 
| 34 |     const QVariant &attributeValue(QOpcUa::NodeAttribute); | 
| 35 |  | 
| 36 | public slots: | 
| 37 |     void setAttributeValue(QOpcUa::NodeAttribute attribute, const QVariant &value); | 
| 38 |     void invalidate(); | 
| 39 |  | 
| 40 | private: | 
| 41 |     QHash<QOpcUa::NodeAttribute, OpcUaAttributeValue *> m_attributeCache; | 
| 42 | }; | 
| 43 |  | 
| 44 | QT_END_NAMESPACE | 
| 45 |  | 
| 46 | #endif // QOPCUA_OPCUAATTRIBUTECACHE_P_H | 
| 47 |  |