mcs/class/System.Data/System.Data.OleDb/OleDbTransaction.cs

   1 //
   2 // System.Data.OleDb.OleDbTransaction
   3 //
   4 // Author:
   5 //   Rodrigo Moya (rodrigo@ximian.com)
   6 //
   7 // Copyright (C) Rodrigo Moya, 2002
   8 //
   9
  10 using System.Data;
  11 using System.Data.Common;
  12 using System.Exception;
  13
  14 namespace System.Data.OleDb
  15 {
  16         public sealed class OleDbTransaction : MarshalByRefObject,
  17                 IDbTransaction, IDisposable
  18         {
  19                 private OleDbConnection m_connection = null;
  20                 private IsolationLevel m_level = IsolationLevel.ReadCommitted;
  21
  22                 /*
  23                  * Constructors
  24                  */
  25
  26                 protected OleDbTransaction (OleDbConnection cnc)
  27                 {
  28                         m_connection = cnc;
  29                         libgda.gda_connection_begin_transaction (m_connection.GdaConnection,
  30                                                                  null);
  31                 }
  32
  33                 protected OleDbTransaction (OleDbConnection cnc,
  34                                             IsolationLevel level) : this (cnc)
  35                 {
  36                         m_level = level;
  37                 }
  38
  39                 /*
  40                  * Properties
  41                  */
  42
  43                 IDbConnection IDbTransaction.Connection
  44                 {
  45                         get {
  46                                 return m_connection;
  47                         }
  48                 }
  49
  50                 IsolationLevel IDbTransaction.IsolationLevel
  51                 {
  52                         get {
  53                                 return m_level;
  54                         }
  55                 }
  56
  57                 /*
  58                  * Methods
  59                  */
  60
  61                 public OleDbTransaction Begin ()
  62                 {
  63                         return new OleDbTransaction (m_connection);
  64                 }
  65
  66                 public OleDbTransaction Begin (IsolationLevel level)
  67                 {
  68                         return new OleDbTransaction (m_connection, level);
  69                 }
  70
  71                 void IDbTransaction.Commit ()
  72                 {
  73                         if (!libgda.gda_connection_commit_transaction (
  74                                     m_connection.GdaConnection,
  75                                     null))
  76                                 throw new InvalidOperationException ();
  77                 }
  78
  79                 void IDbTransaction.Rollback ()
  80                 {
  81                         if (!libgda.gda_connection_rollback_transaction (
  82                                     m_connection.GdaConnection,
  83                                     null))
  84                                 throw new InvalidOperationException ();
  85                 }
  86
  87                 [MonoTODO]
  88                 void IDisposable.Dispose ()
  89                 {
  90                         throw new NotImplementedException ();
  91                 }
  92         }
  93 }