//
// System.Data.SqlClient.SqlConnection
//
// Authors:
// Konstantin Triger <kostat@mainsoft.com>
// Boris Kirzner <borisk@mainsoft.com>
//
// (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Data;
using System.Data.Common;
using System.Collections;
using System.Data.ProviderBase;
using java.sql;
using System.Configuration;
using Mainsoft.Data.Configuration;
using Mainsoft.Data.Jdbc.Providers;
namespace System.Data.SqlClient{
public class SqlConnection : AbstractDBConnection
{
#region Fields
private const int DEFAULT_PACKET_SIZE = 8192;
#endregion // Fields
#region Constructors
public SqlConnection() : this(null)
{
}
public SqlConnection(String connectionString) : base(connectionString)
{
}
#endregion // Constructors
#region Events
[DataCategory ("InfoMessage")]
[DataSysDescription ("Event triggered when messages arrive from the DataSource.")]
public event SqlInfoMessageEventHandler InfoMessage;
#endregion // Events
#region Properties
public string WorkstationId
{
get { return (string)ConnectionStringBuilder["workstation id"]; }
}
public int PacketSize
{
get {
string packetSize = (string)ConnectionStringBuilder["Packet Size"];
if (packetSize == null || packetSize.Length == 0) {
return DEFAULT_PACKET_SIZE;
}
try {
return Convert.ToInt32(packetSize);
}
catch(FormatException e) {
throw ExceptionHelper.InvalidValueForKey("packet size");
}
catch (OverflowException e) {
throw ExceptionHelper.InvalidValueForKey("packet size");
}
}
}
protected override IConnectionProvider GetConnectionProvider() {
IDictionary conProviderDict = ConnectionStringDictionary.Parse(ConnectionString);
string provider = (string)conProviderDict["Provider"];
if (provider == null)
provider = "SQLCLIENT";
return GetConnectionProvider("Mainsoft.Data.Configuration/SqlClientProviders", provider);
}
#endregion // Properties
#region Methods
protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel) {
return BeginTransaction(isolationLevel);
}
public SqlTransaction BeginTransaction(String transactionName)
{
return BeginTransaction(IsolationLevel.ReadCommitted,transactionName);
}
public new SqlTransaction BeginTransaction(IsolationLevel isolationLevel)
{
return BeginTransaction(isolationLevel,"Transaction");
}
public new SqlTransaction BeginTransaction()
{
return BeginTransaction(IsolationLevel.ReadCommitted);
}
public SqlTransaction BeginTransaction(IsolationLevel isolationLevel, string transactionName)
{
return new SqlTransaction(isolationLevel, this, transactionName);
}
public new SqlCommand CreateCommand()
{
return new SqlCommand(this);
}
protected override DbCommand CreateDbCommand() {
return CreateCommand();
}
protected internal sealed override void OnSqlWarning(SQLWarning warning)
{
SqlErrorCollection col = new SqlErrorCollection(warning, this);
OnSqlInfoMessage(new SqlInfoMessageEventArgs(col));
}
protected sealed override SystemException CreateException(SQLException e)
{
return new SqlException(e, this);
}
protected sealed override SystemException CreateException(string message)
{
return new SqlException(message, null, this);
}
private void OnSqlInfoMessage (SqlInfoMessageEventArgs value)
{
if (InfoMessage != null) {
InfoMessage (this, value);
}
}
#if NET_2_0
[MonoNotSupported("")]
public static void ChangePassword (string connectionString, string newPassword)
{
throw new NotImplementedException ();
// FIXME: refactored from Mono implementation. Not finished!!!
if (connectionString == null || newPassword == null || newPassword == String.Empty)
throw new ArgumentNullException ();
if (newPassword.Length > 128)
throw new ArgumentException ("The value of newPassword exceeds its permittable length which is 128");
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder (connectionString);
if (builder.IntegratedSecurity) {
throw new ArgumentException ("Can't use integrated security when changing password");
}
using (SqlConnection conn = new SqlConnection (connectionString)) {
conn.Open ();
SqlCommand cmd = conn.CreateCommand ();
cmd.CommandText = "sp_password";
cmd.CommandType = CommandType.StoredProcedure;
// FIXME: Need to extract old password and user from our structures
// of the connectionString.
cmd.Parameters.Add (builder.Password); // Is this good???
cmd.Parameters.Add (newPassword);
cmd.Parameters.Add (builder.UserID); // Is this good???
cmd.ExecuteNonQuery();
}
}
#region Pooling
[MonoNotSupported("Pooling not supported")]
public static void ClearPool (SqlConnection connection)
{
throw new NotImplementedException ();
}
[MonoNotSupported ("Pooling not supported")]
public static void ClearAllPools ()
{
throw new NotImplementedException ();
}
#endregion
#region Statistics
[MonoNotSupported ("Statistics not supported")]
public IDictionary RetrieveStatistics ()
{
throw new NotImplementedException ();
}
[MonoNotSupported ("Statistics not supported")]
public void ResetStatistics ()
{
throw new NotImplementedException ();
}
#endregion
#endif
#endregion // Methods
}
}
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