2 // System.Data.OleDb.OleDbTransaction
5 // Rodrigo Moya (rodrigo@ximian.com)
6 // Tim Coleman (tim@timcoleman.com)
8 // Copyright (C) Rodrigo Moya, 2002
9 // Copyright (C) Tim Coleman, 2002
13 using System.Data.Common;
15 namespace System.Data.OleDb
17 public sealed class OleDbTransaction : MarshalByRefObject, IDbTransaction, IDisposable
21 OleDbConnection connection;
22 IsolationLevel isolationLevel;
23 IntPtr gdaTransaction;
30 internal OleDbTransaction (OleDbConnection connection, int depth)
32 this.connection = connection;
33 isolationLevel = IsolationLevel.ReadCommitted;
35 gdaTransaction = libgda.gda_transaction_new (depth.ToString ());
36 libgda.gda_connection_begin_transaction (connection.GdaConnection, gdaTransaction);
39 internal OleDbTransaction (OleDbConnection connection)
40 : this (connection, 1)
44 internal OleDbTransaction (OleDbConnection connection, int depth, IsolationLevel isolevel)
45 : this (connection, depth)
47 isolationLevel = isolevel;
50 internal OleDbTransaction (OleDbConnection connection, IsolationLevel isolevel)
51 : this (connection, 1, isolevel)
56 #endregion // Constructors
60 public OleDbConnection Connection {
61 get { return connection; }
64 public IsolationLevel IsolationLevel {
65 get { return isolationLevel; }
68 IDbConnection IDbTransaction.Connection {
69 get { return connection; }
72 #endregion // Properties
76 public OleDbTransaction Begin ()
78 return new OleDbTransaction (connection, depth + 1);
81 public OleDbTransaction Begin (IsolationLevel isolevel)
83 return new OleDbTransaction (connection, depth + 1, isolevel);
88 if (!libgda.gda_connection_commit_transaction (connection.GdaConnection, gdaTransaction))
89 throw new InvalidOperationException ();
98 void IDisposable.Dispose ()
100 throw new NotImplementedException ();
103 public void Rollback ()
105 if (!libgda.gda_connection_rollback_transaction (connection.GdaConnection, gdaTransaction))
106 throw new InvalidOperationException ();
109 #endregion // Methods