STEER/TTreeStream.h

   1 #ifndef TTREESTREAM_H
   2 #define TTREESTREAM_H
   3 ///////////////////////////////////////////////////////////////////////////////
   4 //                                                                           //
   5 //  TTreeSRedirector                                                              //
   6
   7 #include "TObject.h"
   8 #include "TString.h"
   9 #include "TTree.h"
  10 class TFile;
  11 class TObjArray;
  12 class TTree;
  13 class TDataType;
  14
  15 class TTreeDataElement: public TNamed {
  16   friend class TTreeStream;
  17  public:
  18   TTreeDataElement(Char_t type);
  19   TTreeDataElement(TDataType* type);
  20   TTreeDataElement(TClass* cl);
  21   void   SetPointer(void* pointer) {fPointer=pointer;}
  22   Char_t GetType() const {return fType;}
  23  protected:
  24
  25   TTreeDataElement(const TTreeDataElement & tde);
  26   TTreeDataElement & operator=(const TTreeDataElement & tde);
  27
  28   Char_t  fType;     // type of data element
  29   TDataType *fDType; //data type pointer
  30   TClass    *fClass; //data type pointer
  31   void * fPointer;  // pointer to element
  32   ClassDef(TTreeDataElement,2)
  33 };
  34
  35 class TTreeStream: public TNamed {
  36   friend class TTreeSRedirector;
  37 public:
  38   TTreeStream(const char *treename);
  39   ~TTreeStream();
  40   void Close();
  41   static void Test();
  42   Int_t CheckIn(Char_t type, void *pointer);
  43   //Int_t CheckIn(const char *type, void *pointer);
  44   Int_t CheckIn(TObject *o);
  45   void BuildTree();
  46   void Fill();
  47   Double_t GetSize(){ return fTree->GetZipBytes();}
  48   TTreeStream& Endl();
  49   //
  50   TTreeStream  &operator<<(Bool_t   &b){CheckIn('B',&b);return *this;}
  51   TTreeStream  &operator<<(Char_t   &c){CheckIn('B',&c);return *this;}
  52   TTreeStream  &operator<<(UChar_t  &c){CheckIn('b',&c);return *this;}
  53   TTreeStream  &operator<<(Short_t  &h){CheckIn('S',&h);return *this;}
  54   TTreeStream  &operator<<(UShort_t &h){CheckIn('s',&h);return *this;}
  55   TTreeStream  &operator<<(Int_t    &i){CheckIn('I',&i);return *this;}
  56   TTreeStream  &operator<<(UInt_t   &i){CheckIn('i',&i);return *this;}
  57   TTreeStream  &operator<<(Long_t   &l){CheckIn('L',&l);return *this;}
  58   TTreeStream  &operator<<(ULong_t  &l){CheckIn('l',&l);return *this;}
  59   TTreeStream  &operator<<(Long64_t &l){CheckIn('L',&l);return *this;}
  60   TTreeStream  &operator<<(ULong64_t &l){CheckIn('l',&l);return *this;}
  61   TTreeStream  &operator<<(Float_t   &f){CheckIn('F',&f);return *this;}
  62   TTreeStream  &operator<<(Double_t  &d){CheckIn('D',&d);return *this;}
  63   TTreeStream  &operator<<(TObject*o){CheckIn(o);return *this;}
  64   TTreeStream  &operator<<(const Char_t *name);
  65   TTree * GetTree() const { return fTree;}
  66  protected:
  67   //
  68
  69   TTreeStream(const TTreeStream & ts);
  70   TTreeStream & operator=(const TTreeStream & ts);
  71
  72   TObjArray *fElements; //array of elements
  73   TObjArray *fBranches; //pointers to branches
  74   TTree *fTree;         //data storage
  75   Int_t fCurrentIndex;  //index of current element
  76   Int_t fId;            //identifier of layout
  77   TString fNextName;    //name for next entry
  78   Int_t   fNextNameCounter; //next name counter
  79   Int_t   fStatus;      //status of the layout
  80   ClassDef(TTreeStream,1)
  81 };
  82
  83
  84
  85 class TTreeSRedirector: public TObject {
  86 public:
  87   TTreeSRedirector(const char *fname);
  88   virtual ~TTreeSRedirector();
  89   void Close();
  90   static void Test();
  91   void StoreObject(TObject* object);
  92   TFile * GetFile() {return fFile;};
  93   virtual   TTreeStream  &operator<<(Int_t id);
  94   virtual   TTreeStream  &operator<<(const char *name);
  95  private:
  96
  97   TTreeSRedirector(const TTreeSRedirector & tsr);
  98   TTreeSRedirector & operator=(const TTreeSRedirector & tsr);
  99
 100   TFile* fFile;        //file
 101   TObjArray *fDataLayouts;   //array of data layouts
 102   ClassDef(TTreeSRedirector,1)
 103 };
 104
 105
 106
 107
 108 #endif