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TypedCollection.h

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//
// Namespace: ATLFast::
//
// class: TypedCollection
//
// Description:
//
// Atlfast (end 2001) stores various versions of collections
// eg ObjectVector<DefaultRecontructed> particle maker in the TES, at
// specified addresses (== string key)
//
// We now use StoreGate which allows storage of objects without keys
// if no other object of the type has been stored.
// This class provides a type wrapper to allow the different 
// colelctions to be wrapped by an object with different types
// eg TypedCollection<Muon>, TypedCollection<Electron>
//
// The motivation is 1) provide a little more type safety for downstream
// algorithms. 2) remove the algorithm coupling via Tes locations in the
// jobOptions files.
//
// Authors:
//    P.Sherwood
//
// Written:
//    15-Nove-2001
// Revised:
//
//
// ................................................................
//
#ifndef ATLFAST_TYPEDCOLLECTION_H
#define ATLFAST_TYPEDCOLLECTION_H



// Gaudi/Athena 
#include "GaudiKernel/ObjectVector.h"

// Atlfast


static const CLID CLID_ATLFAST_TypedCollection=2312 ;


namespace Atlfast {
  template<class T, class C> class TypedCollection: public DataObject 
    {
      
    public:
      
      //.............
      // Constructors
      
      TypedCollection(C* collection): DataObject(),m_collection(collection){}
      TypedCollection(): DataObject(),m_collection(0){}  //needed by Gaudi
      virtual ~TypedCollection() {}

      virtual const CLID& clID() const{return TypedCollection<T, C>::classID();}
      static const CLID& classID() {
        static CLID clid = C::classID()+CLID_ATLFAST_TypedCollection;
        return clid;
      }
      operator C*() const {return m_collection;}
      
    private:
      // Copy constructor
      TypedCollection(const TypedCollection<T, C>&): DataObject(){};
      C* m_collection;
     
     
    };

  template<class T, class C> class TypedCollectionFactory{
  public:
    TypedCollection<T, C>*  make(C* collection){ 
      TypedCollection<T, C>* tcptr =new TypedCollection<T, C>(collection);
      return tcptr;
    }
  };
} // end of namespace bracket
#endif

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