00001 // @(#)root/alien:$Id: TAlienFile.h 23820 2008-05-13 12:10:45Z rdm $ 00002 // Author: Andreas Peters 11/09/2003 00003 00004 /************************************************************************* 00005 * Copyright (C) 1995-2006, 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_TAlienFile 00013 #define ROOT_TAlienFile 00014 00015 ////////////////////////////////////////////////////////////////////////// 00016 // // 00017 // TAlienFile // 00018 // // 00019 // A TAlienFile is like a normal TFile except that it reads and writes // 00020 // it's data via TXNetFile and gets authorization and the TXNetFile // 00021 // URL from an alien service. // 00022 // // 00023 // Filenames are standard URL format with protocol "alien". // 00024 // The following are valid TAlienFile URL's: // 00025 // // 00026 // alien:///alice/cern.ch/user/p/peters/test.root // 00027 // /alien/alice/cern.ch/user/p/peters/test.root // 00028 // // 00029 // - notice that URLs like /alien/alice... are converted internally // 00030 // to alien://alice... // 00031 // // 00032 ////////////////////////////////////////////////////////////////////////// 00033 00034 #ifndef ROOT_TXNetFile 00035 #include "TXNetFile.h" 00036 #endif 00037 00038 00039 class TUrl; 00040 00041 class TAlienFile : public TXNetFile { 00042 00043 private: 00044 TString fLfn; // logical file name 00045 TString fAuthz; // authorization envelope 00046 00047 public: 00048 TAlienFile() : TXNetFile(), fLfn(), fAuthz() { } 00049 TAlienFile(const char *purl, Option_t *option = "", 00050 const char *ftitle = "", Int_t compress = 1, 00051 Bool_t parallelopen = kFALSE, const char *lurl = 0, 00052 const char *authz = 0); 00053 virtual ~TAlienFile(); 00054 00055 virtual void Close(const Option_t *opt = ""); 00056 00057 static TAlienFile *Open(const char *lfn, const Option_t *option = "", 00058 const char *title = "", Int_t compress = 1, 00059 Bool_t parallelopen = kFALSE); 00060 static TString SUrl(const char *lfn); 00061 00062 ClassDef(TAlienFile, 3) //A ROOT file that reads/writes via AliEn services and TXNetFile protocol 00063 }; 00064 00065 #endif
1.5.1