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/****************************************************************************
**
** Copyright (C) 2021 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 "qopcuahistoryreadresponse.h"
#include "private/qopcuahistoryreadresponse_p.h"
#include "private/qopcuahistoryreadresponseimpl_p.h"
QT_BEGIN_NAMESPACE
/*!
\class QOpcUaHistoryReadResponse
\inmodule QtOpcUa
\brief This class is used for requesting historical data and storing the results.
A historical data request to an OPC UA server can be specified by a \l QOpcUaHistoryReadRawRequest.
Objects of this class and the statuscode of the request are returned in the \l QOpcUaHistoryReadResponse::readHistoryDataFinished(QList<QOpcUaHistoryData> results, QOpcUa::UaStatusCode serviceResult)
signal and contain the result of a request.
*/
/*!
\fn QOpcUaHistoryReadResponse::readHistoryDataFinished(QList<QOpcUaHistoryData> results, QOpcUa::UaStatusCode serviceResult);
This signal is emitted when a historical data request is finished
*/
/*!
\fn QOpcUaHistoryReadResponse::stateChanged(State state)
This signal is emitted when the of a historical data request is changed
*/
QOpcUaHistoryReadResponse::QOpcUaHistoryReadResponse(QOpcUaHistoryReadResponseImpl *impl)
: QObject(*new QOpcUaHistoryReadResponsePrivate(impl), nullptr)
{}
/*!
Returns \c true if there are more values available from the historic data request.
*/
bool QOpcUaHistoryReadResponse::hasMoreData() const
{
return d_func()->m_impl->hasMoreData();
}
/*!
Returns \c true if read request for more historic values is succesfull dispatched.
*/
bool QOpcUaHistoryReadResponse::readMoreData()
{
return d_func()->m_impl->readMoreData();
}
/*!
Returns the current state of historic data request.
The states are
\list
\li Unknown
\li Reading
\li Finished
\li MoreDataAvailable
\li Error
\endlist
*/
QOpcUaHistoryReadResponse::State QOpcUaHistoryReadResponse::state() const
{
return d_func()->m_impl->state();
}
/*!
Releases the continuation points and sets the request as finished.
Returns \c true if the pending request has been successfully finished; otherwise returns false.
*/
bool QOpcUaHistoryReadResponse::releaseContinuationPoints()
{
return d_func()->m_impl->releaseContinuationPoints();
}
/*!
Returns a list which contains the requestet historic data.
*/
QList<QOpcUaHistoryData> QOpcUaHistoryReadResponse::data() const
{
return d_func()->m_impl->data();
}
/*!
Returns the serviceresult of the historic data request.
*/
QOpcUa::UaStatusCode QOpcUaHistoryReadResponse::serviceResult() const
{
return d_func()->m_impl->serviceResult();
}
QT_END_NAMESPACE
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