00001 // @(#)root/proofplayer:$Id: TFileMerger.h 32130 2010-01-28 10:45:53Z rdm $ 00002 // Author: Andreas Peters + Fons Rademakers 26/5/2005 00003 00004 /************************************************************************* 00005 * Copyright (C) 1995-2005, Rene Brun and Fons Rademakers. * 00006 * All rights reserved. * 00007 * * 00008 * For the licensing terms see $ROOTSYS/LICENSE. * 00009 * For the list of contributors see $ROOTSYS/README/CREDITS. * 00010 *************************************************************************/ 00011 00012 #ifndef ROOT_TFileMerger 00013 #define ROOT_TFileMerger 00014 00015 ////////////////////////////////////////////////////////////////////////// 00016 // // 00017 // TFileMerger // 00018 // // 00019 // This class provides file copy and merging services. // 00020 // // 00021 // It can be used to copy files (not only ROOT files), using TFile or // 00022 // any of its remote file access plugins. It is therefore usefull in // 00023 // a Grid environment where the files might be accessable via Castor, // 00024 // rfio, dcap, etc. // 00025 // The merging interface allows files containing histograms and trees // 00026 // to be merged, like the standalone hadd program. // 00027 // // 00028 ////////////////////////////////////////////////////////////////////////// 00029 00030 #ifndef ROOT_TObject 00031 #include "TObject.h" 00032 #endif 00033 #ifndef ROOT_TString 00034 #include "TString.h" 00035 #endif 00036 #ifndef ROOT_TStopwatch 00037 #include "TStopwatch.h" 00038 #endif 00039 00040 class TList; 00041 class TFile; 00042 class TDirectory; 00043 00044 00045 class TFileMerger : public TObject { 00046 private: 00047 TFileMerger(const TFileMerger&); // Not implemented 00048 TFileMerger& operator=(const TFileMerger&); // Not implemented 00049 00050 protected: 00051 TStopwatch fWatch; // stop watch to measure file copy speed 00052 TList *fFileList; // a list of files, which shall be merged 00053 TFile *fOutputFile; // the outputfile for merging 00054 TString fOutputFilename; // the name of the outputfile for merging 00055 TString fOutputFilename1; // the name of the temporary outputfile for merging 00056 Bool_t fFastMethod; // True if using Fast merging algorithm (default) 00057 Bool_t fNoTrees; // True if Trees should not be merged (default is kFALSE) 00058 00059 Bool_t fLocal; // Makes local copies of merging files if True (default is kTRUE) 00060 Bool_t fHistoOneGo; // Merger histos in one go (default is kTRUE) 00061 TList *fMergeList; // list of the files need to be merged 00062 00063 public: 00064 TFileMerger(Bool_t isLocal = kTRUE, Bool_t histoOneGo = kTRUE); 00065 virtual ~TFileMerger(); 00066 00067 const char *GetOutputFileName() const { return fOutputFilename; } 00068 TList *GetMergeList() const { return fMergeList; } 00069 00070 //--- file management interface 00071 virtual Bool_t SetCWD(const char * /*path*/) { MayNotUse("SetCWD"); return kFALSE; } 00072 virtual const char *GetCWD() { MayNotUse("GetCWD"); return 0; } 00073 00074 //--- file merging interface 00075 virtual void Reset(); 00076 virtual Bool_t AddFile(const char *url, Bool_t cpProgress = kTRUE); 00077 virtual Bool_t OutputFile(const char *url); 00078 virtual void PrintFiles(Option_t *options); 00079 virtual Bool_t Merge(Bool_t = kTRUE); 00080 virtual Bool_t MergeRecursive(TDirectory *target, TList *sourcelist); 00081 virtual void SetFastMethod(Bool_t fast=kTRUE) {fFastMethod = fast;} 00082 virtual void SetNotrees(Bool_t notrees=kFALSE) {fNoTrees = notrees;} 00083 00084 ClassDef(TFileMerger,2) // File copying and merging services 00085 }; 00086 00087 #endif
1.5.1