1// Copyright (C) 2015 basysKom GmbH, opensource@basyskom.com
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 QOPCUACONTENTFILTERELEMENT_H
5#define QOPCUACONTENTFILTERELEMENT_H
6
7#include <QtOpcUa/qopcuaglobal.h>
8
9#include <QtCore/qshareddata.h>
10#include <QtCore/qvariant.h>
11#include <QtCore/qlist.h>
12
13QT_BEGIN_NAMESPACE
14
15class QOpcUaSimpleAttributeOperand;
16class QOpcUaAttributeOperand;
17class QOpcUaElementOperand;
18class QOpcUaLiteralOperand;
19
20class QOpcUaContentFilterElementData;
21class Q_OPCUA_EXPORT QOpcUaContentFilterElement
22{
23public:
24 QOpcUaContentFilterElement();
25 QOpcUaContentFilterElement(const QOpcUaContentFilterElement &);
26 QOpcUaContentFilterElement &operator=(const QOpcUaContentFilterElement &);
27#if QT_OPCUA_REMOVED_SINCE(6, 7)
28 bool operator==(const QOpcUaContentFilterElement &rhs) const;
29#endif
30 operator QVariant() const;
31 ~QOpcUaContentFilterElement();
32
33 // Specified in OPC UA 1.05 part 4, 7.7.3
34 enum FilterOperator : quint32 {
35 Equals = 0,
36 IsNull = 1,
37 GreaterThan = 2,
38 LessThan = 3,
39 GreaterThanOrEqual = 4,
40 LessThanOrEqual = 5,
41 Like = 6,
42 Not = 7,
43 Between = 8,
44 InList = 9,
45 And = 10,
46 Or = 11,
47 Cast = 12,
48 InView = 13,
49 OfType = 14,
50 RelatedTo = 15,
51 BitwiseAnd = 16,
52 BitwiseOr = 17,
53 };
54
55 QOpcUaContentFilterElement &operator<<(FilterOperator op);
56 QOpcUaContentFilterElement &operator<<(const QOpcUaSimpleAttributeOperand &op);
57 QOpcUaContentFilterElement &operator<<(const QOpcUaAttributeOperand &op);
58 QOpcUaContentFilterElement &operator<<(const QOpcUaLiteralOperand &op);
59 QOpcUaContentFilterElement &operator<<(const QOpcUaElementOperand &op);
60
61
62 QOpcUaContentFilterElement::FilterOperator filterOperator() const;
63 void setFilterOperator(QOpcUaContentFilterElement::FilterOperator filterOperator);
64
65 QList<QVariant> filterOperands() const;
66 QList<QVariant> &filterOperandsRef();
67 void setFilterOperands(const QList<QVariant> &filterOperands);
68
69private:
70 QSharedDataPointer<QOpcUaContentFilterElementData> data;
71
72 friend Q_OPCUA_EXPORT bool comparesEqual(const QOpcUaContentFilterElement &lhs,
73 const QOpcUaContentFilterElement &rhs) noexcept;
74
75 friend bool operator==(const QOpcUaContentFilterElement &lhs,
76 const QOpcUaContentFilterElement &rhs) noexcept
77 { return comparesEqual(lhs, rhs); }
78 friend bool operator!=(const QOpcUaContentFilterElement &lhs,
79 const QOpcUaContentFilterElement &rhs) noexcept
80 { return !comparesEqual(lhs, rhs); }
81};
82
83QT_END_NAMESPACE
84
85Q_DECLARE_METATYPE(QOpcUaContentFilterElement)
86
87#endif // QOPCUACONTENTFILTERELEMENT_H
88

source code of qtopcua/src/opcua/client/qopcuacontentfilterelement.h