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//
// System.Data.SqlClient.SqlTransaction.cs
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2002
//
using System;
using System.Data;
using System.Data.Common;
namespace System.Data.SqlClient {
public sealed class SqlTransaction : MarshalByRefObject, IDbTransaction, IDisposable
{
#region Fields
bool disposed = false;
SqlConnection connection;
IsolationLevel isolationLevel;
bool isOpen;
#endregion
#region Constructors
internal SqlTransaction (SqlConnection connection, IsolationLevel isolevel)
{
this.connection = connection;
this.isolationLevel = isolevel;
isOpen = true;
}
#endregion // Constructors
#region Properties
public SqlConnection Connection {
get { return connection; }
}
internal bool IsOpen {
get { return isOpen; }
}
public IsolationLevel IsolationLevel {
get { return isolationLevel; }
}
IDbConnection IDbTransaction.Connection {
get { return Connection; }
}
#endregion // Properties
#region Methods
public void Commit ()
{
if (!isOpen)
throw new InvalidOperationException ("The Transaction was not open.");
connection.Tds.Execute ("COMMIT TRANSACTION");
connection.Transaction = null;
isOpen = false;
}
private void Dispose (bool disposing)
{
if (!disposed) {
if (disposing) {
Rollback ();
}
disposed = true;
}
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
public void Rollback ()
{
Rollback (String.Empty);
}
public void Rollback (string transactionName)
{
if (!isOpen)
throw new InvalidOperationException ("The Transaction was not open.");
connection.Tds.Execute (String.Format ("ROLLBACK TRANSACTION {0}", transactionName));
isOpen = false;
}
public void Save (string savePointName)
{
if (!isOpen)
throw new InvalidOperationException ("The Transaction was not open.");
connection.Tds.Execute (String.Format ("SAVE TRANSACTION {0}", savePointName));
}
#endregion // Methods
}
}
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