MomNavigator.h

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// $Id: MomNavigator.h,v 1.11 2007/01/20 17:28:20 rhatcher Exp $
//
// MomNavigator.h
//
// MomNavigator is the top level object for managing
// related records (eg. raw records, candidate trees, truth info)
//
// Author:  R. Hatcher 2000.05.18

#ifndef MOMNAVIGATOR_H
#define MOMNAVIGATOR_H

#include <iosfwd> // ostream forward decl'
#include <vector>

// TObjArray.h needed here so that streamer is correctly generated

#include "TObjArray.h"
class MomNavigator;

std::ostream& operator<<(std::ostream& ms, const MomNavigator& mom);

class MomNavigator : public TObject
{
 public:

   MomNavigator();                          // necessary for streamer io
   virtual ~MomNavigator();

   void                AdoptFragment(TObject *block);

         TObject      *GetFragment(const char *classname  = 0,
                                   const char *username   = 0,
                                   const char *streamname = 0) const;
         std::vector<TObject*> GetFragmentList(const char* classname = 0,
                                              const char* username = 0,
                                             const char* streamname = 0) const;
         TObject      *GetFragmentByInputTag(const char* streamname,
                                             const char* treename, 
                                             int treeindex,
                                             const char* filename) const;
   const TObjArray    *GetFragmentArray() const {return fFragmentArray;}

   TObject            *At(Int_t idx) const;
   TIter               FragmentIter(void) const;
   Int_t               IndexOf(TObject *Fragment);

   void                Clear(Option_t *option="");
   virtual std::ostream& Print(std::ostream& os) const;
   virtual void Print(Option_t* option = "") const;

 protected:

 private:

   TObjArray          *fFragmentArray;

   ClassDef(MomNavigator,1)                    // MomNavigator version 1

};

#endif                                                 // MOMNAVIGATOR_H

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