GIT_REPOSITORIES/LPP/Users/mperrinel/SCIQLOP-Initialisation Commit - r500:22771cedba86

Add code of ProvideNotInCacheRange in VC controller

perrinel -

r500:22771cedba86

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r500:22771cedba86

core/src/Variable/VariableController.cpp +33 0

              #include <Variable/Variable.h>
              #include <Variable/VariableCacheController.h>
              #include <Variable/VariableController.h>
              #include <Variable/VariableModel.h>
              #include <Data/DataProviderParameters.h>
              #include <Data/IDataProvider.h>
              #include <Data/IDataSeries.h>
              #include <Time/TimeController.h>
              #include <QMutex>
              #include <QThread>
              #include <QUuid>
              #include <QtCore/QItemSelectionModel>
              #include <unordered_map>
              Q_LOGGING_CATEGORY(LOG_VariableController, "VariableController")
              struct VariableController::VariableControllerPrivate {
                  explicit VariableControllerPrivate(VariableController *parent)
                          : m_WorkingMutex{},
                            m_VariableModel{new VariableModel{parent}},
                            m_VariableSelectionModel{new QItemSelectionModel{m_VariableModel, parent}},
                            m_VariableCacheController{std::make_unique<VariableCacheController>()}
                  {
                  }
+                 QVector<SqpDateTime> provideNotInCacheDateTimeList(std::shared_ptr<Variable> variable,
+                                                                    const SqpDateTime &dateTime);
                  QMutex m_WorkingMutex;
                  /// Variable model. The VariableController has the ownership
                  VariableModel *m_VariableModel;
                  QItemSelectionModel *m_VariableSelectionModel;
                  TimeController *m_TimeController{nullptr};
                  std::unique_ptr<VariableCacheController> m_VariableCacheController;
                  std::unordered_map<std::shared_ptr<Variable>, std::shared_ptr<IDataProvider> >
                      m_VariableToProviderMap;
                  std::unordered_map<std::shared_ptr<Variable>, QUuid> m_VariableToIdentifierMap;
              };
              VariableController::VariableController(QObject *parent)
                      : QObject{parent}, impl{spimpl::make_unique_impl<VariableControllerPrivate>(this)}
              {
                  qCDebug(LOG_VariableController()) << tr("VariableController construction")
                                                    << QThread::currentThread();
                  connect(impl->m_VariableModel, &VariableModel::abortProgessRequested, this,
                          &VariableController::onAbortProgressRequested);
              }
              VariableController::~VariableController()
              {
                  qCDebug(LOG_VariableController()) << tr("VariableController destruction")
                                                    << QThread::currentThread();
                  this->waitForFinish();
              }
              VariableModel *VariableController::variableModel() noexcept
              {
                  return impl->m_VariableModel;
              }
              QItemSelectionModel *VariableController::variableSelectionModel() noexcept
              {
                  return impl->m_VariableSelectionModel;
              }
              void VariableController::setTimeController(TimeController *timeController) noexcept
              {
                  impl->m_TimeController = timeController;
              }
              void VariableController::deleteVariable(std::shared_ptr<Variable> variable) noexcept
              {
                  if (!variable) {
                      qCCritical(LOG_VariableController()) << "Can't delete variable: variable is null";
                      return;
                  }
                  // Spreads in SciQlop that the variable will be deleted, so that potential receivers can
                  // make some treatments before the deletion
                  emit variableAboutToBeDeleted(variable);
                  // Deletes identifier
                  impl->m_VariableToIdentifierMap.erase(variable);
                  // Deletes provider
                  auto nbProvidersDeleted = impl->m_VariableToProviderMap.erase(variable);
                  qCDebug(LOG_VariableController())
                      << tr("Number of providers deleted for variable %1: %2")
                             .arg(variable->name(), QString::number(nbProvidersDeleted));
                  // Clears cache
                  impl->m_VariableCacheController->clear(variable);
                  // Deletes from model
                  impl->m_VariableModel->deleteVariable(variable);
              }
              void VariableController::deleteVariables(
                  const QVector<std::shared_ptr<Variable> > &variables) noexcept
              {
                  for (auto variable : qAsConst(variables)) {
                      deleteVariable(variable);
                  }
              }
              void VariableController::abortProgress(std::shared_ptr<Variable> variable)
              {
              }
              void VariableController::createVariable(const QString &name, const QVariantHash &metadata,
                                                      std::shared_ptr<IDataProvider> provider) noexcept
              {
                  if (!impl->m_TimeController) {
                      qCCritical(LOG_VariableController())
                          << tr("Impossible to create variable: The time controller is null");
                      return;
                  }
                  auto dateTime = impl->m_TimeController->dateTime();
                  if (auto newVariable = impl->m_VariableModel->createVariable(name, dateTime, metadata)) {
                      auto identifier = QUuid::createUuid();
                      // store the provider
                      impl->m_VariableToProviderMap[newVariable] = provider;
                      impl->m_VariableToIdentifierMap[newVariable] = identifier;
                      auto addDateTimeAcquired = [ this, varW = std::weak_ptr<Variable>{newVariable} ](
                          QUuid identifier, auto dataSeriesAcquired, auto dateTimeToPutInCache)
                      {
                          if (auto variable = varW.lock()) {
                              auto varIdentifier = impl->m_VariableToIdentifierMap.at(variable);
                              if (varIdentifier == identifier) {
                                  impl->m_VariableCacheController->addDateTime(variable, dateTimeToPutInCache);
                                  variable->setDataSeries(dataSeriesAcquired);
                                  emit variable->updated();
                              }
                          }
                      };
                      connect(provider.get(), &IDataProvider::dataProvided, addDateTimeAcquired);
                      connect(provider.get(), &IDataProvider::dataProvidedProgress, this,
                              &VariableController::onVariableRetrieveDataInProgress);
                      this->onRequestDataLoading(newVariable, dateTime);
                  }
              }
              void VariableController::onDateTimeOnSelection(const SqpRange &dateTime)
              {
                  qCDebug(LOG_VariableController()) << "VariableController::onDateTimeOnSelection"
                                                    << QThread::currentThread()->objectName();
                  auto selectedRows = impl->m_VariableSelectionModel->selectedRows();
                  for (const auto &selectedRow : qAsConst(selectedRows)) {
                      if (auto selectedVariable = impl->m_VariableModel->variable(selectedRow.row())) {
                          selectedVariable->setDateTime(dateTime);
                          this->onRequestDataLoading(selectedVariable, dateTime);
                          // notify that rescale operation has to be done
                          emit rangeChanged(selectedVariable, dateTime);
                      }
                  }
              }
              void VariableController::onVariableRetrieveDataInProgress(QUuid identifier, double progress)
              {
                  auto findReply = [identifier](const auto &entry) { return identifier == entry.second; };
                  auto end = impl->m_VariableToIdentifierMap.cend();
                  auto it = std::find_if(impl->m_VariableToIdentifierMap.cbegin(), end, findReply);
                  if (it != end) {
                      impl->m_VariableModel->setDataProgress(it->first, progress);
                  }
              }
              void VariableController::onAbortProgressRequested(std::shared_ptr<Variable> variable)
              {
                  qCDebug(LOG_VariableController()) << "TORM: VariableController::onAbortProgressRequested"
                                                    << QThread::currentThread()->objectName();
                  auto it = impl->m_VariableToIdentifierMap.find(variable);
                  if (it != impl->m_VariableToIdentifierMap.cend()) {
                      impl->m_VariableToProviderMap.at(variable)->requestDataAborting(it->second);
                  }
                  else {
                      qCWarning(LOG_VariableController())
                          << tr("Aborting progression of inexistant variable detected !!!")
                          << QThread::currentThread()->objectName();
                  }
              }
              void VariableController::onRequestDataLoading(std::shared_ptr<Variable> variable,
                                                            const SqpRange &dateTime)
              {
                  qCDebug(LOG_VariableController()) << "VariableController::onRequestDataLoading"
                                                    << QThread::currentThread()->objectName();
                  // we want to load data of the variable for the dateTime.
                  // First we check if the cache contains some of them.
                  // For the other, we ask the provider to give them.
                  if (variable) {
                      auto dateTimeListNotInCache
                          = impl->m_VariableCacheController->provideNotInCacheDateTimeList(variable, dateTime);
                      if (!dateTimeListNotInCache.empty()) {
                          // Ask the provider for each data on the dateTimeListNotInCache
                          auto identifier = impl->m_VariableToIdentifierMap.at(variable);
                          impl->m_VariableToProviderMap.at(variable)->requestDataLoading(
                              identifier,
                              DataProviderParameters{std::move(dateTimeListNotInCache), variable->metadata()});
                      }
                      else {
                          emit variable->updated();
                      }
                  }
                  else {
                      qCCritical(LOG_VariableController()) << tr("Impossible to load data of a variable null");
                  }
              }
              void VariableController::initialize()
              {
                  qCDebug(LOG_VariableController()) << tr("VariableController init") << QThread::currentThread();
                  impl->m_WorkingMutex.lock();
                  qCDebug(LOG_VariableController()) << tr("VariableController init END");
              }
              void VariableController::finalize()
              {
                  impl->m_WorkingMutex.unlock();
              }
              void VariableController::waitForFinish()
              {
                  QMutexLocker locker{&impl->m_WorkingMutex};
              }
+             QVector<SqpDateTime> VariableController::VariableControllerPrivate::provideNotInCacheDateTimeList(
+                 std::shared_ptr<Variable> variable, const SqpDateTime &dateTime)
+             {
+                 auto notInCache = QVector<SqpDateTime>{};
+                 if (!variable->contains(dateTime)) {
+                     auto vDateTime = variable->dateTime();
+                     if (dateTime.m_TEnd <= vDateTime.m_TStart || dateTime.m_TStart >= vDateTime.m_TEnd) {
+                         notInCache << dateTime;
+                     }
+                     else if (dateTime.m_TStart < vDateTime.m_TStart && dateTime.m_TEnd <= vDateTime.m_TEnd) {
+                         notInCache << SqpDateTime{dateTime.m_TStart, vDateTime.m_TStart};
+                     }
+                     else if (dateTime.m_TStart < vDateTime.m_TStart && dateTime.m_TEnd > vDateTime.m_TEnd) {
+                         notInCache << SqpDateTime{dateTime.m_TStart, vDateTime.m_TStart}
+                                    << SqpDateTime{vDateTime.m_TEnd, dateTime.m_TStart};
+                     }
+                     else if (dateTime.m_TStart < vDateTime.m_TEnd) {
+                         notInCache << SqpDateTime{vDateTime.m_TEnd, dateTime.m_TStart};
+                     }
+                     else {
+                         qCCritical(LOG_VariableController()) << tr("Detection of unknown case.")
+                                                              << QThread::currentThread();
+                     }
+                 }
+                 return notInCache;
+             }

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