| 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 | |