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#include "Variable/VariableAcquisitionWorker.h"
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#include "Variable/Variable.h"
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#include <Data/AcquisitionRequest.h>
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#include <Data/SqpRange.h>
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#include <unordered_map>
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#include <utility>
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#include <QMutex>
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#include <QReadWriteLock>
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#include <QThread>
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Q_LOGGING_CATEGORY(LOG_VariableAcquisitionWorker, "VariableAcquisitionWorker")
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struct VariableAcquisitionWorker::VariableAcquisitionWorkerPrivate {
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explicit VariableAcquisitionWorkerPrivate() : m_Lock{QReadWriteLock::Recursive} {}
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void lockRead() { m_Lock.lockForRead(); }
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void lockWrite() { m_Lock.lockForWrite(); }
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void unlock() { m_Lock.unlock(); }
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void removeVariableRequest(QUuid vIdentifier);
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QMutex m_WorkingMutex;
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QReadWriteLock m_Lock;
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std::map<QUuid, QVector<AcquisitionDataPacket> > m_AcqIdentifierToAcqDataPacketVectorMap;
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std::map<QUuid, AcquisitionRequest> m_AcqIdentifierToAcqRequestMap;
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std::map<QUuid, std::pair<QUuid, QUuid> > m_VIdentifierToCurrrentAcqIdNextIdPairMap;
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};
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VariableAcquisitionWorker::VariableAcquisitionWorker(QObject *parent)
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: QObject{parent}, impl{spimpl::make_unique_impl<VariableAcquisitionWorkerPrivate>()}
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{
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}
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VariableAcquisitionWorker::~VariableAcquisitionWorker()
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{
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qCInfo(LOG_VariableAcquisitionWorker()) << tr("VariableAcquisitionWorker destruction")
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<< QThread::currentThread();
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this->waitForFinish();
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}
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QUuid VariableAcquisitionWorker::pushVariableRequest(QUuid varRequestId, QUuid vIdentifier,
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SqpRange rangeRequested,
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SqpRange cacheRangeRequested,
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DataProviderParameters parameters,
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std::shared_ptr<IDataProvider> provider)
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{
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qCDebug(LOG_VariableAcquisitionWorker())
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<< tr("TORM VariableAcquisitionWorker::pushVariableRequest ") << cacheRangeRequested;
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auto varRequestIdCanceled = QUuid();
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// Request creation
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auto acqRequest = AcquisitionRequest{};
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acqRequest.m_VarRequestId = varRequestId;
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acqRequest.m_vIdentifier = vIdentifier;
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acqRequest.m_DataProviderParameters = parameters;
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acqRequest.m_RangeRequested = rangeRequested;
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acqRequest.m_CacheRangeRequested = cacheRangeRequested;
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acqRequest.m_Size = parameters.m_Times.size();
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acqRequest.m_Provider = provider;
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// Register request
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impl->lockWrite();
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impl->m_AcqIdentifierToAcqRequestMap.insert(
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std::make_pair(acqRequest.m_AcqIdentifier, acqRequest));
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auto it = impl->m_VIdentifierToCurrrentAcqIdNextIdPairMap.find(vIdentifier);
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if (it != impl->m_VIdentifierToCurrrentAcqIdNextIdPairMap.cend()) {
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// A current request already exists, we can replace the next one
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auto nextAcqId = it->second.second;
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auto acqIdentifierToAcqRequestMapIt = impl->m_AcqIdentifierToAcqRequestMap.find(nextAcqId);
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if (acqIdentifierToAcqRequestMapIt != impl->m_AcqIdentifierToAcqRequestMap.cend()) {
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auto request = acqIdentifierToAcqRequestMapIt->second;
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varRequestIdCanceled = request.m_VarRequestId;
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}
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it->second.second = acqRequest.m_AcqIdentifier;
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impl->unlock();
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}
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else {
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// First request for the variable, it must be stored and executed
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impl->m_VIdentifierToCurrrentAcqIdNextIdPairMap.insert(
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std::make_pair(vIdentifier, std::make_pair(acqRequest.m_AcqIdentifier, QUuid())));
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impl->unlock();
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QMetaObject::invokeMethod(this, "onExecuteRequest", Qt::QueuedConnection,
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Q_ARG(QUuid, acqRequest.m_AcqIdentifier));
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}
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return varRequestIdCanceled;
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}
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void VariableAcquisitionWorker::abortProgressRequested(QUuid vIdentifier)
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{
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// TODO
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}
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void VariableAcquisitionWorker::onVariableRetrieveDataInProgress(QUuid acqIdentifier,
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double progress)
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{
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// TODO
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}
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void VariableAcquisitionWorker::onVariableDataAcquired(QUuid acqIdentifier,
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std::shared_ptr<IDataSeries> dataSeries,
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SqpRange dataRangeAcquired)
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{
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qCDebug(LOG_VariableAcquisitionWorker()) << tr("onVariableDataAcquired on range ")
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<< acqIdentifier << dataRangeAcquired;
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impl->lockWrite();
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auto aIdToARit = impl->m_AcqIdentifierToAcqRequestMap.find(acqIdentifier);
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if (aIdToARit != impl->m_AcqIdentifierToAcqRequestMap.cend()) {
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// Store the result
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auto dataPacket = AcquisitionDataPacket{};
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dataPacket.m_Range = dataRangeAcquired;
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dataPacket.m_DateSeries = dataSeries;
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auto aIdToADPVit = impl->m_AcqIdentifierToAcqDataPacketVectorMap.find(acqIdentifier);
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if (aIdToADPVit != impl->m_AcqIdentifierToAcqDataPacketVectorMap.cend()) {
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// A current request result already exists, we can update it
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aIdToADPVit->second.push_back(dataPacket);
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}
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else {
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// First request result for the variable, it must be stored
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impl->m_AcqIdentifierToAcqDataPacketVectorMap.insert(
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std::make_pair(acqIdentifier, QVector<AcquisitionDataPacket>() << dataPacket));
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}
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// Decrement the counter of the request
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auto &acqRequest = aIdToARit->second;
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acqRequest.m_Size = acqRequest.m_Size - 1;
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// if the counter is 0, we can return data then run the next request if it exists and
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// removed the finished request
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if (acqRequest.m_Size == 0) {
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// Return the data
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aIdToADPVit = impl->m_AcqIdentifierToAcqDataPacketVectorMap.find(acqIdentifier);
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if (aIdToADPVit != impl->m_AcqIdentifierToAcqDataPacketVectorMap.cend()) {
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emit dataProvided(acqRequest.m_vIdentifier, acqRequest.m_RangeRequested,
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acqRequest.m_CacheRangeRequested, aIdToADPVit->second);
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}
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// Execute the next one
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auto it
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= impl->m_VIdentifierToCurrrentAcqIdNextIdPairMap.find(acqRequest.m_vIdentifier);
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if (it != impl->m_VIdentifierToCurrrentAcqIdNextIdPairMap.cend()) {
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if (it->second.second.isNull()) {
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// There is no next request, we can remove the variable request
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impl->removeVariableRequest(acqRequest.m_vIdentifier);
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}
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else {
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auto acqIdentifierToRemove = it->second.first;
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// Move the next request to the current request
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it->second.first = it->second.second;
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it->second.second = QUuid();
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// Remove AcquisitionRequest and results;
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impl->m_AcqIdentifierToAcqRequestMap.erase(acqIdentifierToRemove);
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impl->m_AcqIdentifierToAcqDataPacketVectorMap.erase(acqIdentifierToRemove);
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// Execute the current request
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QMetaObject::invokeMethod(this, "onExecuteRequest", Qt::QueuedConnection,
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Q_ARG(QUuid, it->second.first));
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}
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}
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else {
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qCCritical(LOG_VariableAcquisitionWorker())
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<< tr("Impossible to execute the acquisition on an unfound variable ");
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}
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}
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}
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else {
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qCCritical(LOG_VariableAcquisitionWorker())
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<< tr("Impossible to retrieve AcquisitionRequest for the incoming data");
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}
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impl->unlock();
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}
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void VariableAcquisitionWorker::initialize()
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{
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qCDebug(LOG_VariableAcquisitionWorker()) << tr("VariableAcquisitionWorker init")
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<< QThread::currentThread();
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impl->m_WorkingMutex.lock();
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qCDebug(LOG_VariableAcquisitionWorker()) << tr("VariableAcquisitionWorker init END");
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}
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void VariableAcquisitionWorker::finalize()
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{
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impl->m_WorkingMutex.unlock();
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}
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void VariableAcquisitionWorker::waitForFinish()
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{
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QMutexLocker locker{&impl->m_WorkingMutex};
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}
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void VariableAcquisitionWorker::VariableAcquisitionWorkerPrivate::removeVariableRequest(
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QUuid vIdentifier)
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{
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lockWrite();
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auto it = m_VIdentifierToCurrrentAcqIdNextIdPairMap.find(vIdentifier);
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if (it != m_VIdentifierToCurrrentAcqIdNextIdPairMap.cend()) {
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// A current request already exists, we can replace the next one
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m_AcqIdentifierToAcqRequestMap.erase(it->second.first);
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m_AcqIdentifierToAcqDataPacketVectorMap.erase(it->second.first);
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m_AcqIdentifierToAcqRequestMap.erase(it->second.second);
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m_AcqIdentifierToAcqDataPacketVectorMap.erase(it->second.second);
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}
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m_VIdentifierToCurrrentAcqIdNextIdPairMap.erase(vIdentifier);
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unlock();
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}
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void VariableAcquisitionWorker::onExecuteRequest(QUuid acqIdentifier)
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{
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qCDebug(LOG_VariableAcquisitionWorker()) << tr("onExecuteRequest") << QThread::currentThread();
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impl->lockRead();
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auto it = impl->m_AcqIdentifierToAcqRequestMap.find(acqIdentifier);
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if (it != impl->m_AcqIdentifierToAcqRequestMap.cend()) {
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auto request = it->second;
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impl->unlock();
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request.m_Provider->requestDataLoading(acqIdentifier, request.m_DataProviderParameters);
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}
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else {
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impl->unlock();
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// TODO log no acqIdentifier recognized
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}
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}
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