FeatureRequestHelpers.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TrigAnalysisHelpers_FeatureRequestHelper_h
#define TrigAnalysisHelpers_FeatureRequestHelper_h
 
#include "AsgDataHandles/ReadHandleKey.h"
 
#include "xAODTrigger/TrigCompositeContainer.h"
#include "xAODTrigger/TrigCompositeAuxContainer.h"
 
#include "FeatureRequestDescriptor.h"
 
#include "TrigCompositeUtils/NavGraph.h"
#include "TrigCompositeUtils/LinkInfo.h"
#include "TrigCompositeUtils/TypelessLinkInfo.h"
 
#include "CxxUtils/sgkey_utilities.h"
 
#include <vector>
 
namespace FeatureRequestHelpers {
  using sgkey_t = SG::sgkey_t;
 
  template<class CONTAINER>
  std::vector<TrigCompositeUtils::LinkInfo<CONTAINER>> typedFeaturesWrapper(
    const std::vector<TrigCompositeUtils::TypelessLinkInfo>& typelessLinkInfos,
    const EventContext& ctx,
    const asg::EventStoreType* eventStore = nullptr);
 
  std::vector<TrigCompositeUtils::TypelessLinkInfo> typelessFeaturesImplimentation(
    const Trig::FeatureRequestDescriptor& frd,
    const CLID clid, 
    const SG::ReadHandleKey<TrigCompositeUtils::DecisionContainer>& navRH,
    MsgStream& msg,
    const EventContext& ctx,
    const asg::EventStoreType* eventStore = nullptr,
    const bool printWarningMessages = true);
 
  const std::vector<TrigCompositeUtils::TypelessLinkInfo> typelessGetFeatures(
    const TrigCompositeUtils::NavGraph& navGraph,
    const Trig::FeatureRequestDescriptor& frd,
    const CLID clid,  
    const TrigCompositeUtils::DecisionIDContainer chainIDs, 
    const EventContext& ctx,
    const asg::EventStoreType* eventStore = nullptr);
 
  void typelessGetFeaturesInternal(
    std::vector<TrigCompositeUtils::TypelessLinkInfo>& features, 
    std::set<const TrigCompositeUtils::NavGraphNode*>& fullyExploredFrom,
    const TrigCompositeUtils::NavGraphNode* navGraphNode, 
    // Following are passed down from typelessGetFeatures
    const Trig::FeatureRequestDescriptor& frd,
    const CLID clid,  
    const TrigCompositeUtils::DecisionIDContainer chainIDs, 
    const EventContext& ctx,
    const asg::EventStoreType* eventStore = nullptr);
 
  void filterLinkVectorByContainerKey(
    const std::regex& expression,
    std::vector<sgkey_t>& keyVec,
    std::vector<CLID>& clidVec,
    std::vector<TrigCompositeUtils::Decision::index_type>&indexVec,
    const EventContext& ctx,
    const asg::EventStoreType* eventStore = nullptr);
 
}
 
#include "FeatureRequestHelpers.icc"
 
#endif