SmartDataLocator.h

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* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
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#pragma once
 
#include <GaudiKernel/SmartDataPtr.h>

 
template <class TYPE>
class SmartDataLocator : public SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader> {
public:
  SmartDataLocator( IDataProviderSvc* pService, const std::string& fullPath )
      : SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader>( pService, 0, fullPath ) {}

  SmartDataLocator( IDataProviderSvc* pService, IRegistry* pDirectory )
      : SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader>( pService, pDirectory, "" ) {}

  SmartDataLocator( IDataProviderSvc* pService, DataObject* pObject, const std::string& path )
      : SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader>( pService, 0, path ) {
    if ( 0 != pObject ) { this->m_pDirectory = pObject->registry(); }
  }

  SmartDataLocator( SmartDataObjectPtr& refObject, IRegistry* pDirectory )
      : SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader>( refObject.service(), pDirectory, "" ) {}

  SmartDataLocator( SmartDataObjectPtr& refObject, const std::string& path )
      : SmartDataStorePtr<TYPE, SmartDataObjectPtr::ObjectLoader>( refObject.service(), refObject.directory(), path ) {}

  virtual ~SmartDataLocator() {}

  template <class OTHER>
  SmartDataPtr<OTHER>& operator=( OTHER* pObj ) {
    this->m_pObject = dynamic_cast<TYPE*>( pObj );
    return *this;
  }

  template <class OTHER>
  SmartDataPtr<OTHER>& operator=( const OTHER* pObj ) {
    this->m_pObject = dynamic_cast<TYPE*>( const_cast<OTHER*>( pObj ) );
    return *this;
  }
};