//*******************************************************************
//
// Name: TransactionManager.idl
//
// Description:
//      Provides transaction manipulation methods.
//
// Bugs:
//
// See also:
//
// Type: C++ header
//
//*******************************************************************
#ifndef __TRANSACTION_MANAGER_IDL
#define __TRANSACTION_MANAGER_IDL 

#include "CorbaDof.idl"

interface TransactionManager {

  // Connection to Data-Base.
  typedef long HCONNECTION;

  // No connection constant.
  const HCONNECTION NO_CONNECTION = -1;

  // Start a transaction.
  boolean StartTransactionEx(in  string      sCategory,
                             in  string      sTransactionName,
                             in  boolean     bForUpdate,
                             in  short       iDbsNumber,
                             out HCONNECTION hConnection,
                             out string      sErrorMsg);

  // Commit a transaction.
  boolean Commit(in  HCONNECTION hConnection,
                 out string      sErrorMsg);

  // Rollback a transaction.
  boolean Rollback(in  HCONNECTION hConnection,
                   out string      sErrorMsg);
};

#endif