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Diffstat (limited to 'src/opcua/client/qopcuahistorydata.cpp')
| -rw-r--r-- | src/opcua/client/qopcuahistorydata.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/opcua/client/qopcuahistorydata.cpp b/src/opcua/client/qopcuahistorydata.cpp new file mode 100644 index 0000000..4a71a47 --- /dev/null +++ b/src/opcua/client/qopcuahistorydata.cpp @@ -0,0 +1,163 @@ +/**************************************************************************** +** +** Copyright (C) 2019 basysKom GmbH, opensource@basyskom.com +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtOpcUa module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qopcuahistorydata.h" + +QT_BEGIN_NAMESPACE + +/*! + \class QOpcUaHistoryData + \inmodule QtOpcUa + \brief This class stores historical data values from a node. + + When a request to read history data is being handled, instances of this class + are used to store information about which node has been read, its values and + the status code. + The finished signal of a history read request will return a list of QOpcUaHistoryData + objects which can be parsed to review the results of the request. +*/ + +class QOpcUaHistoryDataData : public QSharedData +{ +public: + QList<QOpcUaDataValue> result; + QOpcUa::UaStatusCode statusCode; + QString nodeId; +}; + +QOpcUaHistoryData::QOpcUaHistoryData() + : data(new QOpcUaHistoryDataData) +{ + data->statusCode = QOpcUa::UaStatusCode::Good; +} + +/*! + Constructs a history data item and stores which node it corresponds to. +*/ +QOpcUaHistoryData::QOpcUaHistoryData(const QString &nodeId) + : data(new QOpcUaHistoryDataData) +{ + data->statusCode = QOpcUa::UaStatusCode::Good; + data->nodeId = nodeId; +} + +/*! + Constructs a history data item from \a other. +*/ +QOpcUaHistoryData::QOpcUaHistoryData(const QOpcUaHistoryData &other) + : data(other.data) +{ +} + +QOpcUaHistoryData::~QOpcUaHistoryData() +{ +} + +/*! + Returns the status code which indicates if an error occurred while fetching the history data. +*/ +QOpcUa::UaStatusCode QOpcUaHistoryData::statusCode() const +{ + return data->statusCode; +} + +/*! + Sets the status code to \a statusCode. +*/ +void QOpcUaHistoryData::setStatusCode(QOpcUa::UaStatusCode statusCode) +{ + data->statusCode = statusCode; +} + +/*! + Returns the list of data value objects which contain the results of the history read request. +*/ +QList<QOpcUaDataValue> QOpcUaHistoryData::result() const +{ + return data->result; +} + +/*! + Returns a reference to the result list. +*/ +QList<QOpcUaDataValue> &QOpcUaHistoryData::resultRef() +{ + return data->result; +} + +/*! + Returns the number of available data value objects. +*/ +int QOpcUaHistoryData::count() const +{ + return data->result.count(); +} + +/*! + Adds a data value object given by \a value. +*/ +void QOpcUaHistoryData::addValue(const QOpcUaDataValue &value) +{ + data->result.append(value); +} + +/*! + Returns the nodeId of the node whose data has been stored. +*/ +QString QOpcUaHistoryData::nodeId() const +{ + return data->nodeId; +} + +/*! + Sets the nodeId to \a nodeId. +*/ +void QOpcUaHistoryData::setNodeId(const QString &nodeId) +{ + data->nodeId = nodeId; +} + +/*! + Sets the values from \a rhs in this history data item. +*/ +QOpcUaHistoryData &QOpcUaHistoryData::operator=(const QOpcUaHistoryData &rhs) +{ + if (this != &rhs) + data.operator=(rhs.data); + return *this; +} + +QT_END_NAMESPACE |