Gabriele Cosmo
132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4RootTransManager.hh,v 1.3 2002/12/13 14:45:41 gunter Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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// File: G4RootTransManager.hh
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//
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// History:
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// '02.5.7 Youhei Morita Initial creation
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#ifndef ROOT_TRANS_MANAGER_HH
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#define ROOT_TRANS_MANAGER_HH 1
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#include <string>
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#include <map>
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class G4RootIOManager;
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class TFile;
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class TTree;
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typedef std::map<std::string,TFile*,std::less<std::string> > RootFileCatalog;
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// Class inherited:
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#include "G4VTransactionManager.hh"
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// Class Description:
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// Implementation of transaction manager with HepODBMS persistency package
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class G4RootTransManager
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: public G4VTransactionManager
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{
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public: // With description
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G4RootTransManager();
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// Constructor
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virtual ~G4RootTransManager() {};
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// Destructor
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public: // With description
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bool SelectReadFile(std::string obj, std::string file);
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// Select the input file for type "obj" and sets the container ref.
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bool SelectWriteFile(std::string obj, std::string file);
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// Select the output file for type "obj" and sets the container ref.
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bool StartUpdate() {return true;};
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// Start the database update transaction. Dummy in ROOT I/O.
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bool StartRead() {return true;};
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// Start the database read transaction. Dummy in ROOT I/O.
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void Commit();
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// Commit the changes to the ROOT I/O files.
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void Abort() {};
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// Abort the transaction. Dummy in ROOT I/O.
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TFile* LastReadFile() { return f_lastreadfile; };
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// returns the pointer of the last read file
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TFile* LastWriteFile() { return f_lastwritefile; };
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// returns the pointer of the last read file
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TTree* LastReadTree() { return f_lastreadtree; };
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// returns the pointer of the last read tree
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TTree* LastWriteTree() { return f_lastwritetree; };
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// returns the pointer of the last read tree
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void Initialize();
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// Initialize the ROOT I/O file map.
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int BufferSize();
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// Returns the ROOT I/O buffer size.
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int SplitLevel() { return f_split; };
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// Returns the ROOT I/O split level.
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int CompressionLevel() { return f_comp; };
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// Returns the ROOT I/O compression level.
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void SetBufferSize(int buf) { f_bufsize = buf; };
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// Sets the ROOT I/O buffer size.
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void SetSplitLevel(int s) { f_split = s; };
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// Sets the ROOT I/O split level.
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void SetCompressionLevel(int c) { f_comp = c; };
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// Sets the ROOT I/O compression level.
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private:
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TFile* LookUp(string file, string mode);
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// Returns the Root file pointer to the object type and file name.
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// Opens a new file if the access is for the first time.
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private:
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RootFileCatalog f_catalog;
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TFile* f_lastreadfile;
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TFile* f_lastwritefile;
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TTree* f_lastreadtree;
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TTree* f_lastwritetree;
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std::string f_treeName;
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std::string f_treeDesc;
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int f_bufsize;
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int f_split;
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int f_comp;
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}; // End of class G4RootTransManager
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#endif
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