G4VTransactionManager.hh

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// G4VTransactionManager
//
// Class Description:
//
// Abstract base class for starting and commiting or aborting data
// transaction.
 
// Author: Youhei Morita, 18.07.2001
// --------------------------------------------------------------------
#ifndef G4VTRANSACTIONMANAGER_HH
#define G4VTRANSACTIONMANAGER_HH 1
 
#include "G4Types.hh"
 
class G4VTransactionManager
{
  public:
 
    G4VTransactionManager() {}
      // Constructor
 
    virtual ~G4VTransactionManager() {}
      // Destructor
 
    void SetVerboseLevel(G4int v) { m_verbose = v; }
      // Set verbose level
 
    virtual G4bool SelectReadFile(const G4String& obj,
                                  const G4String& file) = 0;
      // Set the input file name and open it for the object type "obj"
 
    virtual G4bool SelectWriteFile(const G4String& obj,
                                   const G4String& 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 = 0;
};
 
#endif