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geant4/source/persistency/include/G4VTransactionManager.hh
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2016-06-09 14:44:26 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// File: G4VTransactionManager.hh
//
// History:
// 01.07.18 Youhei Morita Initial creation (with "fadsclass")
#ifndef V_TRANSACTION_MANAGER_HH
#define V_TRANSACTION_MANAGER_HH 1
#include "G4Types.hh"
#include <string>
// Class Description:
// Abstract base class for starting and commiting or aborting data transaction
class G4VTransactionManager
{
public: // With description
G4VTransactionManager() : m_verbose(0) {};
// Constructor
virtual ~G4VTransactionManager() {};
// Destructor
public: // With description
void SetVerboseLevel(int v) { m_verbose = v; };
// Set verbose level.
virtual G4bool SelectReadFile(std::string obj, std::string file)=0;
// Set the input file name and open it for the object type "obj".
virtual G4bool SelectWriteFile(std::string obj, std::string file)=0;
// Set the output file name and open it for the object type "obj".
virtual G4bool StartUpdate()=0;
// Start an update transaction for event store and retrieve
virtual G4bool StartRead()=0;
// Start a read-only transaction for event store and retrieve
virtual void Commit()=0;
// commit the transaction for event store and retrieve
virtual void Abort()=0;
// abort the transaction for event store and retrieve
protected:
G4int m_verbose;
}; // End of class G4VTransactionManager
#endif