L1InfoHypo.cxx

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#include "DecisionHandling/TrigCompositeUtils.h"
#include "AthLinks/ElementLink.h"
#include "TrigT1Result/RoIBResult.h"
 
#include "IL1InfoHypoTool.h"
#include "L1InfoHypo.h"
 
 
L1InfoHypo::L1InfoHypo(const std::string& name, ISvcLocator* pSvcLocator)
    : ::HypoBase(name, pSvcLocator) {}
 
 
StatusCode L1InfoHypo::initialize() {
    ATH_CHECK( m_hypoTools.retrieve() );
    ATH_CHECK( m_RoIBResultKey.initialize() );
 
    return StatusCode::SUCCESS;
}
 
 
StatusCode L1InfoHypo::execute(const EventContext& context) const {
 
    // Retrieve previous (L1 decision) decision
    ATH_MSG_DEBUG("Retrieving L1 decision \"" << decisionInput().key() << "\"");
 
    SG::ReadHandle<ROIB::RoIBResult> roib ( m_RoIBResultKey, context );
 
    auto previousDecisionsHandle = SG::makeHandle( decisionInput(), context );
    ATH_CHECK( previousDecisionsHandle.isValid() );
    ATH_MSG_DEBUG( "Running with "<< previousDecisionsHandle->size() <<" previous decisions");
 
    SG::WriteHandle<TrigCompositeUtils::DecisionContainer> outputHandle 
        = TrigCompositeUtils::createAndStore(decisionOutput(), context ); 
 
    TrigCompositeUtils::DecisionContainer* decisions = outputHandle.ptr();
 
    std::vector<IL1InfoHypoTool::L1Info> hypoToolInput;
    for (const TrigCompositeUtils::Decision* previousDecision: *previousDecisionsHandle) {
        
        TrigCompositeUtils::Decision* d = TrigCompositeUtils::newDecisionIn( decisions, previousDecision, TrigCompositeUtils::hypoAlgNodeName(), context );
 
        TrigCompositeUtils::DecisionIDContainer previousDecisionIDs;
        TrigCompositeUtils::decisionIDs(previousDecision, previousDecisionIDs);
        
        // Set dummy feature link
        ElementLink<TrigCompositeUtils::DecisionContainer> selfLink = TrigCompositeUtils::decisionToElementLink(d, context);
        d->setObjectLink<TrigCompositeUtils::DecisionContainer>(TrigCompositeUtils::featureString(), selfLink);
 
        hypoToolInput.push_back( IL1InfoHypoTool::L1Info{ &*roib, previousDecisionIDs, d } );
    }
 
    for ( auto & tool: m_hypoTools ) {
        ATH_CHECK( tool->decide( hypoToolInput ) );    
    } 
  
    ATH_CHECK( hypoBaseOutputProcessing(outputHandle) );
 
    return StatusCode::SUCCESS;
}