1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include <Qt3DCore/qnodeid.h> |
5 | |
6 | QT_BEGIN_NAMESPACE |
7 | |
8 | namespace Qt3DCore { |
9 | |
10 | /*! |
11 | * \class Qt3DCore::QNodeId |
12 | * \inheaderfile Qt3DCore/QNodeId |
13 | * \inmodule Qt3DCore |
14 | * \brief Uniquely identifies a QNode. |
15 | */ |
16 | |
17 | /*! |
18 | * \typedef Qt3DCore::QNodeIdVector |
19 | * \relates Qt3DCore::QNodeId |
20 | * |
21 | * A vector of \l {QNodeId}s. |
22 | */ |
23 | |
24 | /*! |
25 | * \fn bool Qt3DCore::QNodeId::isNull() const |
26 | * \return \TODO |
27 | */ |
28 | |
29 | /*! |
30 | * \fn bool Qt3DCore::QNodeId::operator ==(QNodeId other) const |
31 | * \return \c true if \c this == \a other. |
32 | */ |
33 | |
34 | /*! |
35 | * \fn bool Qt3DCore::QNodeId::operator !=(QNodeId other) const |
36 | * \return \c true if \c this != \a other. |
37 | */ |
38 | |
39 | /*! |
40 | * \fn bool Qt3DCore::QNodeId::operator <(QNodeId other) const |
41 | * \return \c true if \c this < \a other. |
42 | */ |
43 | |
44 | /*! |
45 | * \fn bool Qt3DCore::QNodeId::operator >(QNodeId other) const |
46 | * \return \c true if \c this > \a other. |
47 | */ |
48 | |
49 | /*! |
50 | * \fn quint64 Qt3DCore::QNodeId::id() const |
51 | * \return \TODO |
52 | */ |
53 | |
54 | /*! |
55 | * \fn Qt3DCore::QNodeId::operator bool() const |
56 | * Returns \TODO |
57 | */ |
58 | |
59 | /*! |
60 | * \fn [nodeid-qhash] constexpr size_t Qt3DCore::qHash(QNodeId id, uint seed) |
61 | * \relates Qt3DCore::QNodeId |
62 | * \return hash of node with \a id and optional \a seed. |
63 | */ |
64 | |
65 | /*! |
66 | * \return node id. |
67 | */ |
68 | QNodeId QNodeId::createId() noexcept |
69 | { |
70 | typedef |
71 | #if defined(Q_ATOMIC_INT64_IS_SUPPORTED) |
72 | quint64 |
73 | #else |
74 | quint32 |
75 | #endif |
76 | UIntType; |
77 | static QBasicAtomicInteger<UIntType> next = Q_BASIC_ATOMIC_INITIALIZER(0); |
78 | return QNodeId(next.fetchAndAddRelaxed(valueToAdd: 1) + 1); |
79 | } |
80 | |
81 | #ifndef QT_NO_DEBUG_STREAM |
82 | /*! |
83 | * << with \a d and \a id. |
84 | * \return QDebug. |
85 | */ |
86 | QDebug operator<<(QDebug d, QNodeId id) |
87 | { |
88 | d << id.id(); |
89 | return d; |
90 | } |
91 | #endif |
92 | |
93 | } |
94 | |
95 | QT_END_NAMESPACE |
96 | |