// -*- mode: c++ -*- 
// $Id: BrDbRevision.h,v 1.4 2001/11/26 18:37:41 videbaek Exp $
// $Author: videbaek $
// $Date: 2001/11/26 18:37:41 $
// $Copyright: 2000 Brahms Collaboration 
//
#ifndef BRAT_BrRevision
#define BRAT_BrRevision
#ifndef ROOT_TObjArray
#include "TObjArray.h"
#endif
#ifndef ROOT_TSQLServer
#include "TSQLServer.h"
#endif
#ifndef ROOT_TSQLResult
#include "TSQLResult.h"
#endif
#ifndef ROOT_TSQLRow
#include "TSQLRow.h"
#endif
#ifndef BRAT_BrDbTable
#include "BrDbTable.h"
#endif
#ifndef BRAT_BrDbQuery
#include "BrDbQuery.h"
#endif
#define  REVISION_NAME      "Revision"

class BrDbRevision : public BrDbTable
{
public:
  enum EDataType {  
    kNull=0,
    kShort=1, 
    kInt=2,  
    kLong=5,
    kFloat=3, 
    kDouble=4 
  };

private:
  Int_t   fParameterID;   // Reference to parameter entry
  Int_t   fTypeID;        // Reference to type of revision 
  Int_t   fValidStart;    // Start time of validity for revision
  Int_t   fValidEnd;      // End time of validity for revision
  // Bool_t  fCanonical;     // Is this the default revision?
  Int_t   fFromStart;     // Start time for basis for revsion
  Int_t   fFromEnd;       // End time for basis for revsion
  Int_t   fDate;          // Date of creation 
  Int_t   fAuthorID;      // Reference to author of revsion 
  Char_t  fComment[255];  // Comment field 
  EDataType fDataType;    // Copy of DataType Parameter from Parameter -- Beware..
  Long_t  fEntries;       // Number of elements in array
  Long_t  fBytes;         // Number of bytes in blob
  Byte_t* fArray;         // Array of binary data

public:
  BrDbRevision(Int_t         parameterId,
	       Int_t         validstart,
	       Int_t         validend,
	       Int_t         fromstart,
	       Int_t         fromend,
	       Int_t         typeId    = -1,
	       Int_t         date      = -1,
	       Int_t         authorId  = -1,
	       // Bool_t        canonical = kFALSE,
	       const Char_t* comment   = 0,
	       EDataType     datatype  = kNull,
	       Int_t         entries   = 0,
	       Long_t        bytes     = 0,
	       void*         array     = 0);

  BrDbRevision(BrDbRevision* rev);
  
  static const Char_t*  kTableName;
  static BrDbQuery*     Create(void);
  static BrDbRevision*  SingleInstance(TSQLRow*);
  static TObjArray*     MultipleInstance(TSQLResult*);
  
  virtual BrDbQuery*    Insert(void);

  virtual void          SetParameterID(Int_t id) { fParameterID = id; }
  virtual void          SetTypeID(Int_t id) { fTypeID = id; }
  virtual void          SetValidStart(Int_t start) { fValidStart = start;}
  virtual void          SetValidEnd(Int_t end) { fValidEnd = end; }
  virtual void          SetFromStart(Int_t start) { fFromStart = start;}
  virtual void          SetFromEnd(Int_t end) { fFromEnd = end; }
  virtual void          SetDate(Int_t unixdate=-1); 
  virtual void          SetAuthorID(Int_t id) { fAuthorID = id; }
  virtual void          SetComment(const Char_t* comment);
  virtual void          SetArray(void* a);
  virtual void          SetBytes(Long_t b) { fBytes = b; }
  virtual void          SetDataType(EDataType t) { fDataType = t; }

  virtual void          SetEntries(Int_t n) { fEntries = n; }
  // virtual void          SetCanonical(Bool_t c) { fCanonical = c; }

  virtual Int_t         GetParameterID(void) const { return fParameterID; }
  virtual Int_t         GetTypeID(void) const { return fTypeID; }
  virtual Int_t         GetValidStart(void) const { return fValidStart; }
  virtual Int_t         GetValidEnd(void) const { return fValidEnd; }
  virtual Int_t         GetFromStart(void) const { return fFromStart; }
  virtual Int_t         GetFromEnd(void) const { return fFromEnd; }
  virtual Int_t         GetDate(void) const { return fDate; }
  virtual Int_t         GetAuthorID(void) const { return fAuthorID; }
  virtual const Char_t* GetComment(void) const { return fComment; }
  virtual void*         GetArray(void) const { return fArray; }
  virtual Long_t        GetBytes(void) const { return fBytes; }
  virtual EDataType     GetDataType(void) const { return fDataType;}
  virtual Int_t         GetEntries(void) const { return fEntries; }
  // virtual Bool_t        IsCanonical(void) const { return fCanonical; }

  virtual void   Print(Option_t* option="") const;

  ClassDef(BrDbRevision,3) // Revision Class for BRAHMS database
}
;

#endif