Database/AthenaPOOL/AthenaPoolExample/AthenaPoolExampleAlgorithms/src/WriteData.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
#include "WriteData.h"
 
// the user data-class definitions
#include "AthenaPoolExampleData/ExampleHitContainer.h"
#include "StoreGate/WriteHandle.h"
 
using namespace AthPoolEx;
 
//___________________________________________________________________________
WriteData::WriteData(const std::string& name, ISvcLocator* pSvcLocator)
  : AthReentrantAlgorithm(name, pSvcLocator)
{
}
//___________________________________________________________________________
StatusCode WriteData::initialize() {
   ATH_MSG_INFO("in initialize()");
   ATH_CHECK( m_exampleHitKey.initialize() );
   ATH_CHECK( m_aliasKey.initialize() );
   return StatusCode::SUCCESS;
}
//___________________________________________________________________________
StatusCode WriteData::execute (const EventContext& ctx) const {
   ATH_MSG_DEBUG("in execute()");
 
   int eventNumber = ctx.eventID().event_number();
   int runNumber = ctx.eventID().run_number();
   ATH_MSG_INFO("EventInfo event: " << eventNumber << "  run: " << runNumber);
 
   SG::WriteHandle<ExampleHitContainer> hits (m_exampleHitKey, ctx);
   ATH_CHECK( hits.record( std::make_unique<ExampleHitContainer>() ) );
   for (int i = 0; i < 10; i++) {
      auto hitObj = std::make_unique<ExampleHit>();
      hitObj->setX(1.2346 + eventNumber * 100 + 3.21 * i);
      hitObj->setY(-2.346 + runNumber * 100 - 5.6789 * i);
      hitObj->setZ(34.567 - eventNumber * 100 + 87.6 / (i + 0.456));
      hitObj->setDetector("DummyHitDetector");
      hits->push_back(std::move (hitObj));
   }
 
   if (eventNumber == 14) {
      ATH_MSG_INFO("Now creating ExampleHit alias for event: " << eventNumber);
      ATH_CHECK( hits.alias (m_aliasKey) );
   }
   ATH_MSG_INFO("registered all data");
   return StatusCode::SUCCESS;
}
//___________________________________________________________________________
StatusCode WriteData::finalize() {
   ATH_MSG_INFO("in finalize()");
   return StatusCode::SUCCESS;
}