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++ // Copyright (C) 2018 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #include <private/opcuaattributecache_p.h>
++ #include <private/opcuaattributevalue_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ /*!
++ \class OpcUaAttributeCache
++ \inqmlmodule QtOpcUa
++ \brief Flexible attribute value cache providing signals.
++ \deprecated [6.9]
++ \internal
++
++ This class is just for internal use in the declarative backend and not exposed to users.
++
++ It caches node attribute values and provides access. Main purpose is to
++ let \l OpcUaAttributeValue provide separate value change signals for each attribute.
++
++ \sa OpcUaAttributeValue
++ */
++
++ OpcUaAttributeCache::OpcUaAttributeCache(QObject *parent) : QObject(parent)
++ {
++ }
++
++ void OpcUaAttributeCache::setAttributeValue(QOpcUa::NodeAttribute attr, const QVariant &value)
++ {
++ attribute(attr)->setValue(value);
++ }
++
++ void OpcUaAttributeCache::invalidate()
++ {
++ // Reset all values in the cache to invalid.
++ // Do not clear() the cache because there are still objects with
++ // connections waiting for notifications
++ for (auto i = m_attributeCache.constBegin(); i != m_attributeCache.constEnd(); ++i)
++ i.value()->invalidate();
++ }
++
++ OpcUaAttributeValue *OpcUaAttributeCache::attribute(QOpcUa::NodeAttribute attr)
++ {
++ if (!m_attributeCache.contains(attr))
++ m_attributeCache.insert(attr, new OpcUaAttributeValue(this));
++ return m_attributeCache.value(attr);
++ }
++
++ const QVariant &OpcUaAttributeCache::attributeValue(QOpcUa::NodeAttribute attr)
++ {
++ return attribute(attr)->value();
++ }
++
++ QT_END_NAMESPACE