#ifndef TOWER_CORRECTIONCOLL_HH_
#define TOWER_CORRECTIONCOLL_HH_
//////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Component: TowerCorrectionColl.hh
// Purpose: This class contains corrections for every tower in a 
//               given PhysicsTowerData object.
//          
// Created: 13/09/99  Pierre Savard 
//
/////////////////////////////////////////////////////////////////////////////////////////////////////

#include <iostream>
#include <algorithm>
#include <iosfwd>
#include <string>
#include <vector>

//---------------
// C++ Headers --
//---------------
#include "CalorObjects/TowerCorrection.hh"
#include "Edm/ConstHandle.hh"
#include "Edm/Handle.hh"
#include "Edm/StorableObject.hh"
#include "StorableContainers/ValueVector.hh"

//----------------------------------
// Forward Declaration of Classes --
//----------------------------------
class TowerCorrection;
class TowerCorrectionColl;                         // needed for global typedefs

//--------------------------------------------------------
// Global typedef's for EDM2 Handles for the collection --
//--------------------------------------------------------

typedef Handle<TowerCorrectionColl>                TowerCorrectionColl_h;
typedef ConstHandle<TowerCorrectionColl>           TowerCorrectionColl_ch;

class TowerCorrectionColl : public StorableObject
{
public:

  //--------------------------------------------------------------------------
  // typedef's for the collection
  //--------------------------------------------------------------------------
  
  typedef TowerCorrection                                         value_type;
  typedef TowerCorrection&                                        reference;
  typedef const TowerCorrection&                                  const_reference;
  typedef TowerCorrection*                                        pointer;
  typedef const TowerCorrection*                                  const_pointer;
  typedef std::vector<value_type>                            TowerCorrectionVector;
  typedef TowerCorrectionVector::iterator                         iterator;
  typedef TowerCorrectionVector::const_iterator                   const_iterator;
  
  //--------------------------------------------------------------------------
  // Functions to retrieve the collection from the event
  //--------------------------------------------------------------------------
  
  enum Error
  {
    ERROR,
    OK
  };
  
  static Error find(TowerCorrectionColl_ch & setHandle);
  static Error find(TowerCorrectionColl_ch & setHandle,
		    const StorableObject::Selector & selector ); 
  
  //--------------------------------------------------------------------------
  // Constructors
  //--------------------------------------------------------------------------
  
  // Default constructor :
  TowerCorrectionColl();
  
  //Copy constructor :
  TowerCorrectionColl(const TowerCorrectionColl& rhs);
  
  //--------------------------------------------------------------------------
  // Access to the underlying set of tracks.
  //--------------------------------------------------------------------------
  
  TowerCorrectionVector&          contents()       { return _container.contents(); }
  const TowerCorrectionVector&    contents() const { return _container.contents(); }
  
  
  //--------------------------------------------------------------------------
  // EDM:  functions required by StorableObject
  //--------------------------------------------------------------------------
  
  virtual std::string        class_name() const ;
  virtual Version_t          class_version() const;
  
  //  void Streamer(TBuffer& iobuffer); 
  bool                       postread(EventRecord* p);
  bool                       prewrite(EventRecord* p);
  bool                       activate(EventRecord* p);
  bool                       deactivate(EventRecord* p);
  
  
  // Destructors
  virtual void               destroy();
  virtual void               deallocate();
  
  void                       print(std::ostream& os = std::cout) const;
  
protected:
  
  // Destructor
  virtual ~TowerCorrectionColl(){};

private:
  
  //--------------------------------------------------------------------------
  // Private data
  //--------------------------------------------------------------------------
  
  ValueVector<TowerCorrection> _container;
  
  ClassDef(TowerCorrectionColl, 1)
};

#endif // TOWER_CORRECTION_COLL_HH