RpcOverlay.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// Andrei Gaponenko <agaponenko@lbl.gov>, 2006, 2007
// Ketevi A. Assamagan <ketevi@bnl.gov>, March 2008
// Piyali Banerjee <Piyali.Banerjee@cern.ch>, March 2011
 
#include <RpcOverlay/RpcOverlay.h>
 
#include <StoreGate/ReadHandle.h>
#include <StoreGate/WriteHandle.h>
 
#include <IDC_OverlayBase/IDC_OverlayHelpers.h>
 
 
//================================================================
RpcOverlay::RpcOverlay(const std::string &name, ISvcLocator *pSvcLocator) :
  IDC_MuonOverlayBase(name, pSvcLocator)
{
}
 
//================================================================
StatusCode RpcOverlay::initialize()
{
  ATH_MSG_DEBUG("Initializing...");
 
  ATH_CHECK(m_bkgInputKey.initialize(!m_bkgInputKey.empty()));
  ATH_MSG_VERBOSE("Initialized ReadHandleKey: " << m_bkgInputKey );
  ATH_CHECK(m_signalInputKey.initialize());
  ATH_MSG_VERBOSE("Initialized ReadHandleKey: " << m_signalInputKey );
  ATH_CHECK(m_outputKey.initialize());
  ATH_MSG_VERBOSE("Initialized WriteHandleKey: " << m_outputKey );
 
  return StatusCode::SUCCESS;
}
 
//================================================================
StatusCode RpcOverlay::execute(const EventContext& ctx) const
{
  ATH_MSG_DEBUG("RpcOverlay::execute() begin");
 
  const RpcDigitContainer *bkgContainerPtr = nullptr;
  if (!m_bkgInputKey.empty()) {
    SG::ReadHandle<RpcDigitContainer> bkgContainer (m_bkgInputKey, ctx);
    if (!bkgContainer.isValid()) {
      ATH_MSG_ERROR("Could not get background RPC container " << bkgContainer.name() << " from store " << bkgContainer.store());
      return StatusCode::FAILURE;
    }
    bkgContainerPtr = bkgContainer.cptr();
 
    ATH_MSG_DEBUG("Found background RpcDigitContainer called " << bkgContainer.name() << " in store " << bkgContainer.store());
    ATH_MSG_DEBUG("RPC Background = " << Overlay::debugPrint(bkgContainer.cptr()));
    ATH_MSG_VERBOSE("RPC background has digit_size " << bkgContainer->digit_size());
  }
 
  SG::ReadHandle<RpcDigitContainer> signalContainer(m_signalInputKey, ctx);
  if (!signalContainer.isValid() ) {
    ATH_MSG_ERROR("Could not get signal RPC container " << signalContainer.name() << " from store " << signalContainer.store());
    return StatusCode::FAILURE;
  }
  ATH_MSG_DEBUG("Found signal RpcDigitContainer called " << signalContainer.name() << " in store " << signalContainer.store());
  ATH_MSG_DEBUG("RPC Signal     = " << Overlay::debugPrint(signalContainer.cptr()));
  ATH_MSG_VERBOSE("RPC signal has digit_size " << signalContainer->digit_size());
 
  SG::WriteHandle<RpcDigitContainer> outputContainer(m_outputKey, ctx);
  ATH_CHECK(outputContainer.record(std::make_unique<RpcDigitContainer>(signalContainer->size())));
  if (!outputContainer.isValid()) {
    ATH_MSG_ERROR("Could not record output RpcDigitContainer called " << outputContainer.name() << " to store " << outputContainer.store());
    return StatusCode::FAILURE;
  }
  ATH_MSG_DEBUG("Recorded output RpcDigitContainer called " << outputContainer.name() << " in store " << outputContainer.store());
 
  // Do the actual overlay
  ATH_CHECK(overlayMultiHitContainer(bkgContainerPtr, signalContainer.cptr(), outputContainer.ptr()));
  ATH_MSG_DEBUG("RPC Result     = " << Overlay::debugPrint(outputContainer.cptr()));
 
 
  ATH_MSG_DEBUG("RpcOverlay::execute() end");
 
  return StatusCode::SUCCESS;
}