AthenaPoolTestAttrWriter.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// INCLUDE HEADER FILES:
 
#include "AthenaPoolTestAttrWriter.h"
 
 
#include "EventInfo/EventInfo.h"
#include "EventInfo/EventID.h"
 
// AttributeList:
#include "AthenaPoolUtilities/AthenaAttributeList.h"
#include "GaudiKernel/ThreadLocalContext.h"
 
AthenaPoolTestAttrWriter::AthenaPoolTestAttrWriter(const std::string& name,
                           ISvcLocator* pSvcLocator)
    :
    AthAlgorithm(name, pSvcLocator), m_attributes(nullptr)
{}
 
AthenaPoolTestAttrWriter::~AthenaPoolTestAttrWriter()
{}
 
StatusCode AthenaPoolTestAttrWriter::initialize()
{
 
    // Create AttrList
    try {
    ATH_MSG_DEBUG("Try new attlist" );
    m_attributes = new AthenaAttributeList();
    m_attributes->extend("Run",        "unsigned int" );
    m_attributes->extend("Event",      "unsigned int" );
    m_attributes->extend("IEvent",     "unsigned int");
    m_attributes->extend("MissingET",  "float");
    m_attributes->extend("electronPT", "float");
    ATH_MSG_DEBUG("new attlist" );
    } catch (const std::exception& e) {
    ATH_MSG_ERROR("Caught exception from creation of AthenaAttributeList. Message: " 
        << e.what() 
        );
    return (StatusCode::FAILURE);
    }
    m_attributes->addRef();
 
    ATH_MSG_DEBUG("After new att list" );
 
    return StatusCode::SUCCESS; 
}
 
StatusCode AthenaPoolTestAttrWriter::execute()
{ 
    ATH_MSG_DEBUG("Executing AthenaPoolTestAttrWriter" );
   
    const EventInfo* eventInfo = nullptr;
    ATH_CHECK(  evtStore()->retrieve(eventInfo) );
    ATH_MSG_DEBUG( "Retrieved EventInfo"  );
 
    const EventID* myEventID=eventInfo->event_ID();
 
    // Create AttrList
    const EventContext& ctx = Gaudi::Hive::currentContext();
    unsigned int iEvent = ctx.evt() + 1;
    AthenaAttributeList* attributes = m_attributes;
    
    try {
    (*attributes)["Run"].setValue(myEventID->run_number());
    (*attributes)["Event"].setValue(myEventID->event_number());
    ++iEvent;
    (*attributes)["IEvent"].setValue(iEvent);
    // Must cast double to float, otherwise exception!!
    (*attributes)["MissingET"].setValue(7.0f*iEvent);
    (*attributes)["electronPT"].setValue(5.0f*iEvent);
    } catch (const std::exception& e) {
    ATH_MSG_ERROR("Caught exception from setValue for attributes. Message: " 
        << e.what() 
        );
    return (StatusCode::FAILURE);
    }
 
    ATH_MSG_DEBUG("After create att" );
 
    coral::AttributeList::const_iterator first = attributes->begin();
    coral::AttributeList::const_iterator last  = attributes->end();
    for (; first != last; ++first) {
    std::stringstream str;
    (*first).toOutputStream(str);
    ATH_MSG_DEBUG(" name " << (*first).specification().name() 
                      << " type " << (*first).specification().typeName() 
                      << " value ");
    }
 
    ATH_MSG_DEBUG("After iteration" );
 
    ATH_CHECK(  evtStore()->record(attributes, "SimpleTag") );
    ATH_MSG_DEBUG("End" );
    return StatusCode::SUCCESS;
   
}
 
StatusCode AthenaPoolTestAttrWriter::finalize() 
{
  return StatusCode::SUCCESS;
}