ThinningHandleKey.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
#ifndef STOREGATE_THINNINGHANDLEKEY_H
#define STOREGATE_THINNINGHANDLEKEY_H
 
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "AthContainers/ThinningDecision.h"
#include "GaudiKernel/IDataHandleHolder.h"
#include <concepts>
 
 
namespace SG {
 

template <class T>
class ThinningHandleKey
  : public ReadHandleKey<T>
{
public:
  typedef ReadHandleKey<T> Base;
 
  
  explicit
  ThinningHandleKey (const std::string& key = "",
                     const std::string& storeName = StoreID::storeName(StoreID::EVENT_STORE));
 
 
  ThinningHandleKey (const ThinningHandleKey&) = default;
 

  template <std::derived_from<IProperty> OWNER>
  ThinningHandleKey( OWNER* owner,
                     const std::string& name,
                     const std::string& key,
                     const std::string& doc);
 

  ThinningHandleKey& operator= (const ThinningHandleKey& other);
 

  ThinningHandleKey& operator= (const std::string& sgkey);
 
  
  StatusCode initialize (const std::string& stream,
                         const std::string& qualifier,
                         bool used = true);
 

  StatusCode initialize (const std::string& stream,
                         const char* qualifier,
                         bool used = true);
 

  StatusCode initialize (const std::string& stream,
                         bool used = true);
 

  const WriteHandleKey<ThinningDecision>& decisionHandleKey() const;
 
 
private:
  WriteHandleKey<ThinningDecision> m_decisionKey;
};
 
 
} // namespace SG
 
 
#include "StoreGate/ThinningHandleKey.icc"
 
 
#endif // not STOREGATE_THINNINGHANDLEKEY_H