ViewCreatorNamedROITool.cxx

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/*
Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrigSteeringEvent/TrigRoiDescriptorCollection.h"
#include "ViewCreatorNamedROITool.h"
 
using namespace TrigCompositeUtils;
 
ViewCreatorNamedROITool::ViewCreatorNamedROITool(const std::string& type, const std::string& name, const IInterface* parent)
  : base_class(type, name, parent) 
  {}
 
StatusCode ViewCreatorNamedROITool::attachROILinks(TrigCompositeUtils::DecisionContainer& decisions, const EventContext& ctx) const {
  // Locate "NamedRoI" for each Decision object, re-attach the ElementLink as "roi" to the current Decision object.
  for ( Decision* outputDecision : decisions ) { 
    const std::vector<LinkInfo<TrigRoiDescriptorCollection>> myROI = findLinks<TrigRoiDescriptorCollection>(ctx, outputDecision, m_roiLinkName, TrigDefs::lastFeatureOfType);
 
    if (myROI.size() != 1) {
      ATH_MSG_ERROR("Did not find exactly one '" << m_roiLinkName << "' for Decision object index " << outputDecision->index()
        << ", found " << myROI.size() << ". Unable to supply single ROI to spawn EventView on.");
    }
 
    outputDecision->setObjectLink(roiString(), myROI.at(0).link);
  }
    return StatusCode::SUCCESS;
}