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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt OPC UA module.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 OPCUAEVENTFILTER
#define OPCUAEVENTFILTER
#include <QQmlListProperty>
#include "opcuasimpleattributeoperand.h"
#include "opcuafilterelement.h"
#include <QOpcUaMonitoringParameters>
#include <QVector>
QT_BEGIN_NAMESPACE
class OpcUaNodeId;
class OpcUaRelativeNodePath;
class OpcUaEventFilter : public QObject {
Q_OBJECT
Q_PROPERTY(QQmlListProperty<OpcUaFilterElement> where READ filterElements)
Q_PROPERTY(QQmlListProperty<OpcUaSimpleAttributeOperand> select READ selectors)
public:
explicit OpcUaEventFilter(QObject *parent = nullptr);
~OpcUaEventFilter();
bool operator==(const OpcUaEventFilter &other) const;
QOpcUaMonitoringParameters::EventFilter filter(QOpcUaClient *client) const;
QQmlListProperty<OpcUaSimpleAttributeOperand> selectors();
void appendSelector(OpcUaSimpleAttributeOperand *selector);
int selectorCount() const;
OpcUaSimpleAttributeOperand *selector(int index) const;
void clearSelectors();
QQmlListProperty<OpcUaFilterElement> filterElements();
void appendFilterElement(OpcUaFilterElement *filterElement);
int filterElementCount() const;
OpcUaFilterElement *filterElement(int index) const;
void clearFilterElements();
signals:
void dataChanged();
private:
static void appendSelector(QQmlListProperty<OpcUaSimpleAttributeOperand> *list, OpcUaSimpleAttributeOperand *);
static int selectorCount(QQmlListProperty<OpcUaSimpleAttributeOperand> *list);
static OpcUaSimpleAttributeOperand* selector(QQmlListProperty<OpcUaSimpleAttributeOperand> *list, int index);
static void clearSelectors(QQmlListProperty<OpcUaSimpleAttributeOperand> *list);
static void appendFilterElement(QQmlListProperty<OpcUaFilterElement> *list, OpcUaFilterElement *nodeId);
static int filterElementCount(QQmlListProperty<OpcUaFilterElement> *list);
static OpcUaFilterElement* filterElement(QQmlListProperty<OpcUaFilterElement> *list, int index);
static void clearFilterElements(QQmlListProperty<OpcUaFilterElement> *list);
QVector<OpcUaFilterElement*> m_filterElements;
QVector<OpcUaSimpleAttributeOperand*> m_selectors;
};
QT_END_NAMESPACE
#endif // OPCUAEVENTFILTER
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