ColumnarToolXAOD.icc

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
/// @author Nils Krumnack
 
 
#include <AsgMessaging/StatusCode.h>
#include <AsgTools/AsgTool.h>
#include <ColumnarCore/ContainerId.h>
#include <ColumnarCore/ObjectRange.h>
 
namespace SG
{
  class VarHandleKey;
}
 
namespace asg
{
  class AsgTool;
}
 
namespace columnar
{
  template<> class ColumnarTool<ColumnarModeXAOD>
  {
    /// Common Public Members
    /// =====================
  public:
 
    static constexpr bool singleEvent = true;
 
    ColumnarTool ();
    explicit ColumnarTool (ColumnarTool<ColumnarModeXAOD>* val_parent);
    ColumnarTool (const ColumnarTool<ColumnarModeXAOD>&) = delete;
    ColumnarTool& operator = (const ColumnarTool<ColumnarModeXAOD>&) = delete;
    virtual ~ColumnarTool ();
 
 
    /// @brief initialize the columns/column handles
    ///
    /// This should be called at the end of initialize after all data handles
    /// have been declared.
    StatusCode initializeColumns ();
 
 
    /// @brief add the given sub-tool
    void addSubtool (ColumnarTool<ColumnarModeXAOD>& subtool);
 
 
    /// @brief call the tool for the given event range
    virtual void callEvents (ObjectRange<ContainerId::eventContext,ColumnarModeXAOD> events) const;
 
 
 
    /// Mode-Specific Public Members
    /// ============================
  public:
 
    auto& eventStore () const noexcept {
#ifdef XAOD_STANDALONE
      return m_sharedData->m_event;
#else
      return *m_sharedData->m_evtStore;
#endif
    }
 
    void internalAddKey (std::weak_ptr<SG::VarHandleKey> key, bool addMTDependency);
 
 
 
    /// Private Members
    /// ===============
  private:
 
    struct SharedData final
    {
#ifdef XAOD_STANDALONE
      mutable asg::SgTEvent m_event;
#else
      using StoreGateSvc_t = ServiceHandle<StoreGateSvc>;
      /// Pointer to StoreGate (event store by default)
      StoreGateSvc_t m_evtStore {"StoreGateSvc/StoreGateSvc", "ColumnarToolXAOD"};
#endif
      std::vector<std::pair<std::weak_ptr<SG::VarHandleKey>,bool>> m_keys;
      std::unordered_set<ColumnarTool<ColumnarModeXAOD>*> m_subtools;
      std::unordered_set<asg::AsgTool*> m_fulltools;
      SharedData (ColumnarTool<ColumnarModeXAOD>* self);
    };
    std::shared_ptr<SharedData> m_sharedData;
  };
}