ExampleAlg.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 ATHEXSTOREGATEEXAMPLE_EXAMPLEALG_H
#define ATHEXSTOREGATEEXAMPLE_EXAMPLEALG_H
 
 
#include "AthExStoreGateExample/MyDataObj.h"
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
 
 
// An example algorithm that reads and writes objects from the event store
// using handles.
class ExampleAlg
  : public AthReentrantAlgorithm
{
public:
  virtual StatusCode initialize() override;
  virtual StatusCode execute (const EventContext& ctx) const override;
 
private:
  // Declare the keys used to access the data: one for reading and one
  // for writing.
  SG::ReadHandleKey<MyDataObj> m_readKey{this, "ReadKey", "in"};
  SG::WriteHandleKey<MyDataObj> m_writeKey{this, "WriteKey", "out"};
};
 
 
#endif