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/****************************************************************************
**
** Copyright (C) 2016 basysKom GmbH, opensource@basyskom.com
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPCUANODE_P_H
#define QOPCUANODE_P_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.
//
#include <QtOpcUa/qopcuaclient.h>
#include <QtOpcUa/qopcuanode.h>
#include <private/qopcuanodeimpl_p.h>
#include <private/qobject_p.h>
#include <QtCore/qpointer.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qhash.h>
QT_BEGIN_NAMESPACE
class QOpcUaNodePrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QOpcUaNode)
public:
QOpcUaNodePrivate(QOpcUaNodeImpl *impl, QOpcUaClient *client)
: m_impl(impl)
, m_client(client)
{
m_attributesReadConnection = QObject::connect(impl, &QOpcUaNodeImpl::attributesRead,
[this](QVector<QOpcUaReadResult> attr, QOpcUa::UaStatusCode serviceResult)
{
for (auto &entry : qAsConst(attr)) {
if (serviceResult == QOpcUa::UaStatusCode::Good)
m_nodeAttributes[entry.attributeId] = { entry.value, entry.statusCode };
else
m_nodeAttributes[entry.attributeId] = { QVariant(), serviceResult };
}
QOpcUaNode::NodeAttributes updatedAttributes;
for (auto &entry : qAsConst(attr))
updatedAttributes |= entry.attributeId;
emit q_func()->readFinished(updatedAttributes);
});
m_attributeWrittenConnection = QObject::connect(impl, &QOpcUaNodeImpl::attributeWritten,
[this](QOpcUaNode::NodeAttribute attr, QVariant value, QOpcUa::UaStatusCode statusCode)
{
m_nodeAttributes[attr].statusCode = statusCode;
if (statusCode == QOpcUa::UaStatusCode::Good)
m_nodeAttributes[attr].attribute = value;
emit q_func()->attributeWritten(attr, statusCode);
});
}
~QOpcUaNodePrivate()
{
QObject::disconnect(m_attributesReadConnection);
QObject::disconnect(m_attributeWrittenConnection);
}
QScopedPointer<QOpcUaNodeImpl> m_impl;
QPointer<QOpcUaClient> m_client;
struct AttributeWithStatus {
QVariant attribute;
QOpcUa::UaStatusCode statusCode;
};
QHash<QOpcUaNode::NodeAttribute, AttributeWithStatus> m_nodeAttributes;
QMetaObject::Connection m_attributesReadConnection;
QMetaObject::Connection m_attributeWrittenConnection;
};
QT_END_NAMESPACE
#endif // QOPCUANODE_P_H
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