EDLooperBase.cc

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// -*- C++ -*-
//
// Package:     <package>
// Module:      EDLooperBase
//
// Author:      Valentin Kuznetsov
// Created:     Wed Jul  5 11:44:26 EDT 2006

#include "FWCore/Framework/interface/EDLooperBase.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventPrincipal.h"
#include "FWCore/Framework/interface/LuminosityBlock.h"
#include "FWCore/Framework/interface/LuminosityBlockPrincipal.h"
#include "FWCore/Framework/interface/ModuleContextSentry.h"
#include "DataFormats/Provenance/interface/ModuleDescription.h"
#include "FWCore/Framework/interface/Run.h"
#include "FWCore/Framework/interface/RunPrincipal.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/EventSetupProvider.h"
#include "FWCore/Utilities/interface/Algorithms.h"
#include "FWCore/MessageLogger/interface/ExceptionMessages.h"
#include "FWCore/Framework/interface/ExceptionActions.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/Framework/interface/ScheduleInfo.h"
#include "FWCore/ServiceRegistry/interface/GlobalContext.h"
#include "FWCore/ServiceRegistry/interface/ModuleCallingContext.h"
#include "FWCore/ServiceRegistry/interface/ParentContext.h"
#include "FWCore/ServiceRegistry/interface/StreamContext.h"

namespace edm {

  EDLooperBase::EDLooperBase()
      : iCounter_(0),
        act_table_(nullptr),
        moduleChanger_(nullptr),
        moduleDescription_("Looper", "looper"),
        moduleCallingContext_(&moduleDescription_) {}
  EDLooperBase::~EDLooperBase() noexcept(false) {}

  void EDLooperBase::doStartingNewLoop() { startingNewLoop(iCounter_); }

  EDLooperBase::Status EDLooperBase::doDuringLoop(edm::EventPrincipal& eventPrincipal,
                                                  const edm::EventSetupImpl& esi,
                                                  edm::ProcessingController& ioController,
                                                  StreamContext* streamContext) {
    streamContext->setTransition(StreamContext::Transition::kEvent);
    streamContext->setEventID(eventPrincipal.id());
    streamContext->setRunIndex(eventPrincipal.luminosityBlockPrincipal().runPrincipal().index());
    streamContext->setLuminosityBlockIndex(eventPrincipal.luminosityBlockPrincipal().index());
    streamContext->setTimestamp(eventPrincipal.time());
    ParentContext parentContext(streamContext);
    ModuleContextSentry moduleContextSentry(&moduleCallingContext_, parentContext);
    Event event(eventPrincipal, moduleDescription_, &moduleCallingContext_);

    Status status = kContinue;
    try {
      const EventSetup es{esi, static_cast<unsigned int>(Transition::Event), nullptr, false};
      status = duringLoop(event, es, ioController);
    } catch (cms::Exception& e) {
      e.addContext("Calling the 'duringLoop' method of a looper");
      exception_actions::ActionCodes action = (act_table_->find(e.category()));
      if (action != exception_actions::Rethrow) {
        edm::printCmsExceptionWarning("SkipEvent", e);
      } else {
        throw;
      }
    }
    return status;
  }

  EDLooperBase::Status EDLooperBase::doEndOfLoop(const edm::EventSetupImpl& esi) {
    const EventSetup es{esi, static_cast<unsigned int>(Transition::EndRun), nullptr, false};
    return endOfLoop(es, iCounter_);
  }

  void EDLooperBase::prepareForNextLoop(eventsetup::EventSetupProvider* esp) {
    ++iCounter_;

    std::set<edm::eventsetup::EventSetupRecordKey> const& keys = modifyingRecords();
    for_all(keys,
            std::bind(&eventsetup::EventSetupProvider::resetRecordPlusDependentRecords, esp, std::placeholders::_1));
  }

  void EDLooperBase::beginOfJob(const edm::EventSetupImpl& iImpl) {
    beginOfJob(EventSetup{iImpl, static_cast<unsigned int>(Transition::BeginRun), nullptr, false});
  }
  void EDLooperBase::beginOfJob(const edm::EventSetup&) { beginOfJob(); }
  void EDLooperBase::beginOfJob() {}

  void EDLooperBase::endOfJob() {}

  void EDLooperBase::doBeginRun(RunPrincipal& iRP, EventSetupImpl const& iES, ProcessContext* processContext) {
    GlobalContext globalContext(GlobalContext::Transition::kBeginRun,
                                LuminosityBlockID(iRP.run(), 0),
                                iRP.index(),
                                LuminosityBlockIndex::invalidLuminosityBlockIndex(),
                                iRP.beginTime(),
                                processContext);
    ParentContext parentContext(&globalContext);
    ModuleContextSentry moduleContextSentry(&moduleCallingContext_, parentContext);
    Run run(iRP, moduleDescription_, &moduleCallingContext_, false);
    const EventSetup es{iES, static_cast<unsigned int>(Transition::BeginRun), nullptr, false};
    beginRun(run, es);
  }

  void EDLooperBase::doEndRun(RunPrincipal& iRP, EventSetupImpl const& iES, ProcessContext* processContext) {
    GlobalContext globalContext(GlobalContext::Transition::kEndRun,
                                LuminosityBlockID(iRP.run(), 0),
                                iRP.index(),
                                LuminosityBlockIndex::invalidLuminosityBlockIndex(),
                                iRP.endTime(),
                                processContext);
    ParentContext parentContext(&globalContext);
    ModuleContextSentry moduleContextSentry(&moduleCallingContext_, parentContext);
    Run run(iRP, moduleDescription_, &moduleCallingContext_, true);
    const EventSetup es{iES, static_cast<unsigned int>(Transition::EndRun), nullptr, false};
    endRun(run, es);
  }
  void EDLooperBase::doBeginLuminosityBlock(LuminosityBlockPrincipal& iLB,
                                            EventSetupImpl const& iES,
                                            ProcessContext* processContext) {
    GlobalContext globalContext(GlobalContext::Transition::kBeginLuminosityBlock,
                                iLB.id(),
                                iLB.runPrincipal().index(),
                                iLB.index(),
                                iLB.beginTime(),
                                processContext);
    ParentContext parentContext(&globalContext);
    ModuleContextSentry moduleContextSentry(&moduleCallingContext_, parentContext);
    LuminosityBlock luminosityBlock(iLB, moduleDescription_, &moduleCallingContext_, false);
    const EventSetup es{iES, static_cast<unsigned int>(Transition::BeginLuminosityBlock), nullptr, false};
    beginLuminosityBlock(luminosityBlock, es);
  }
  void EDLooperBase::doEndLuminosityBlock(LuminosityBlockPrincipal& iLB,
                                          EventSetupImpl const& iES,
                                          ProcessContext* processContext) {
    GlobalContext globalContext(GlobalContext::Transition::kEndLuminosityBlock,
                                iLB.id(),
                                iLB.runPrincipal().index(),
                                iLB.index(),
                                iLB.beginTime(),
                                processContext);
    ParentContext parentContext(&globalContext);
    ModuleContextSentry moduleContextSentry(&moduleCallingContext_, parentContext);
    LuminosityBlock luminosityBlock(iLB, moduleDescription_, &moduleCallingContext_, true);
    const EventSetup es{iES, static_cast<unsigned int>(Transition::EndLuminosityBlock), nullptr, false};
    endLuminosityBlock(luminosityBlock, es);
  }

  void EDLooperBase::beginRun(Run const&, EventSetup const&) {}
  void EDLooperBase::endRun(Run const&, EventSetup const&) {}
  void EDLooperBase::beginLuminosityBlock(LuminosityBlock const&, EventSetup const&) {}
  void EDLooperBase::endLuminosityBlock(LuminosityBlock const&, EventSetup const&) {}

  void EDLooperBase::attachTo(ActivityRegistry&) {}

  std::set<eventsetup::EventSetupRecordKey> EDLooperBase::modifyingRecords() const {
    return std::set<eventsetup::EventSetupRecordKey>();
  }

  void EDLooperBase::copyInfo(const ScheduleInfo& iInfo) { scheduleInfo_ = std::make_unique<ScheduleInfo>(iInfo); }
  void EDLooperBase::setModuleChanger(ModuleChanger* iChanger) { moduleChanger_ = iChanger; }

  ModuleChanger* EDLooperBase::moduleChanger() { return moduleChanger_; }
  const ScheduleInfo* EDLooperBase::scheduleInfo() const { return scheduleInfo_.get(); }

}  // namespace edm