IByteStreamCnvSvc.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef BYTESTREAMCNVSVCBASE_IBYTESTREAMCNVSVC_H
#define BYTESTREAMCNVSVCBASE_IBYTESTREAMCNVSVC_H
 
#include "GaudiKernel/IInterface.h"
 
#include "AthenaKernel/errorcheck.h"
#include "ByteStreamData/RawEvent.h"
#include "ByteStreamCnvSvcBase/FullEventAssembler.h"
 

class IByteStreamCnvSvc : virtual public IInterface {
public:
   DeclareInterfaceID(IByteStreamCnvSvc, 1, 0);

   template <class T> StatusCode getFullEventAssembler(T*&t, const std::string& name);
 
protected:

   virtual FullEventAssemblerBase* findFullEventAssembler(const std::string& name) const = 0;

   virtual StatusCode storeFullEventAssembler(std::unique_ptr<FullEventAssemblerBase> fea, const std::string& name) = 0;
};
 
 
// Implementation of template method:
template <class T>
StatusCode IByteStreamCnvSvc::getFullEventAssembler(T*& t, const std::string& name)
{
   // Find existing FEA
   FullEventAssemblerBase* fea = findFullEventAssembler(name);
   if (fea) {
      t = dynamic_cast<T*>(fea);
      if (t == nullptr) {
         REPORT_MESSAGE_WITH_CONTEXT(MSG::ERROR, "IByteStreamCnvSvc")
            << "FullEventAssembler with key '" << name << "' exists, but of different type" << endmsg;
         return StatusCode::FAILURE;
      }
      return StatusCode::SUCCESS;
   }
   else { // create new FEA
      auto ptr = std::make_unique<T>();
      t = ptr.get();
      return storeFullEventAssembler(std::move(ptr), name);
   }
}
 
#endif