//
// System.Data.OleDb.OleDbConnection
//
-// Author:
+// Authors:
// Rodrigo Moya (rodrigo@ximian.com)
+// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Rodrigo Moya, 2002
+// Copyright (C) Tim Coleman, 2002
//
using System.ComponentModel;
{
public sealed class OleDbConnection : Component, ICloneable, IDbConnection
{
- private IntPtr m_gdaClient = IntPtr.Zero;
- private IntPtr m_gdaConnection = IntPtr.Zero;
- private string m_string = "";
- private int m_timeout = 15; // default is 15 seconds
+ #region Fields
+
+ string connectionString;
+ int connectionTimeout;
+ IntPtr gdaConnection;
+
+ #endregion
+
+ #region Constructors
public OleDbConnection ()
{
- libgda.gda_init ("System.Data.OleDb", "0.1", 0, null);
-
- /* initialize our GDA client */
- m_gdaClient = libgda.gda_client_new ();
+ libgda.gda_init ("System.Data.OleDb", "1.0", 0, new string [0]);
+ gdaConnection = IntPtr.Zero;
+ connectionTimeout = 15;
+ connectionString = null;
}
- public OleDbConnection (string cnc_string) : this ()
+ public OleDbConnection (string connectionString) : this ()
{
- m_string = cnc_string;
+ this.connectionString = connectionString;
}
- string IDbConnection.ConnectionString
- {
+ #endregion // Constructors
+
+ #region Properties
+
+ public string ConnectionString {
get {
- return m_string;
+ return connectionString;
}
set {
- m_string = value;
+ connectionString = value;
}
}
- int IDbConnection.ConnectionTimeout
- {
+ public int ConnectionTimeout {
get {
- return m_timeout;
+ return connectionTimeout;
}
}
- string IDbConnection.Database
- {
+ public string Database {
get {
- if (m_gdaConnection != IntPtr.Zero
- && libgda.gda_connection_is_open (m_gdaConnection)) {
- return libgda.gda_connection_get_database (m_gdaConnection);
+ if (gdaConnection != IntPtr.Zero
+ && libgda.gda_connection_is_open (gdaConnection)) {
+ return libgda.gda_connection_get_database (gdaConnection);
}
return null;
}
}
- public string DataSource
- {
+ public string DataSource {
get {
+ if (gdaConnection != IntPtr.Zero
+ && libgda.gda_connection_is_open (gdaConnection)) {
+ return libgda.gda_connection_get_dsn (gdaConnection);
+ }
+
+ return null;
}
}
- public string Provider
- {
+ public string Provider {
get {
+ if (gdaConnection != IntPtr.Zero
+ && libgda.gda_connection_is_open (gdaConnection)) {
+ return libgda.gda_connection_get_provider (gdaConnection);
+ }
+
+ return null;
}
}
- public string ServerVersion
- {
+ public string ServerVersion {
get {
+ if (gdaConnection != IntPtr.Zero
+ && libgda.gda_connection_is_open (gdaConnection)) {
+ return libgda.gda_connection_get_server_version (gdaConnection);
+ }
+
+ return null;
}
}
- ConnectionState IDbConnection.State
+ public ConnectionState State
{
get {
- if (m_gdaConnection != IntPtr.Zero) {
- if (libgda.gda_connection_is_open (m_gdaConnection))
+ if (gdaConnection != IntPtr.Zero) {
+ if (libgda.gda_connection_is_open (gdaConnection))
return ConnectionState.Open;
}
}
}
+ internal IntPtr GdaConnection
+ {
+ get {
+ return gdaConnection;
+ }
+ }
+
+ #endregion // Properties
+
+ #region Methods
+
public OleDbTransaction BeginTransaction ()
{
- if (m_gdaConnection != IntPtr.Zero)
+ if (gdaConnection != IntPtr.Zero)
return new OleDbTransaction (this);
return null;
}
- public OleDbTransaction BeginTransaction (IsolationLevel level)
- {
- if (m_gdaConnection != IntPtr.Zero)
+ IDbTransaction IDbConnection.BeginTransaction ()
+ {
+ return BeginTransaction ();
+ }
+
+ public OleDbTransaction BeginTransaction (IsolationLevel level)
+ {
+ if (gdaConnection != IntPtr.Zero)
return new OleDbTransaction (this, level);
return null;
- }
+ }
+
+ IDbTransaction IDbConnection.BeginTransaction (IsolationLevel level)
+ {
+ return BeginTransaction (level);
+ }
+
+ public void ChangeDatabase (string name)
+ {
+ if (gdaConnection == IntPtr.Zero)
+ throw new ArgumentException ();
+ if (State != ConnectionState.Open)
+ throw new InvalidOperationException ();
+
+ if (!libgda.gda_connection_change_database (gdaConnection, name))
+ throw new OleDbException (this);
+ }
+
+ public void Close ()
+ {
+ if (State == ConnectionState.Open) {
+ libgda.gda_connection_close (gdaConnection);
+ gdaConnection = IntPtr.Zero;
+ }
+ }
+
+ public OleDbCommand CreateCommand ()
+ {
+ if (State == ConnectionState.Open)
+ return new OleDbCommand (null, this);
+
+ return null;
+ }
+
+ [MonoTODO]
+ protected override void Dispose (bool disposing)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ public DataTable GetOleDbSchemaTable (Guid schema, object[] restrictions)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ object ICloneable.Clone ()
+ {
+ throw new NotImplementedException();
+ }
+
+ IDbCommand IDbConnection.CreateCommand ()
+ {
+ return CreateCommand ();
+ }
+
+ public void Open ()
+ {
+ string provider = "Default";
+ string gdaCncStr = "";
+ string[] args;
+ int len;
+ char [] separator = { ';' };
+
+ if (State == ConnectionState.Open)
+ throw new InvalidOperationException ();
+
+ gdaConnection = libgda.gda_client_open_connection (libgda.GdaClient,
+ connectionString,
+ "", "", 0);
+
+ /* convert the connection string to its GDA equivalent */
+ //args = connectionString.Split (';');
+ //len = args.Length;
+ //for (int i = 0; i < len; i++) {
+ // string[] values = args[i].Split (separator, 2);
+ // if (values[0] == "Provider") {
+ // if (values[1] == "SQLOLEDB")
+ // provider = "FreeTDS";
+ // else if (values[1] == "MSDAORA")
+ // provider = "Oracle";
+ // else if (values[2] == "Microsoft.Jet.OLEDB.4.0")
+ // provider = "MS Access";
+ // else
+ // provider = values[2];
+ // }
+ // else if (values[0] == "Addr" || values[0] == "Address")
+ // gdaCncStr = String.Concat (gdaCncStr, "HOST=", values[1], ";");
+ // else if (values[0] == "Database")
+ // gdaCncStr = String.Concat (gdaCncStr, "DATABASE=", values[1], ";");
+ // else if (values[0] == "Connection Lifetime")
+ // connectionTimeout = System.Convert.ToInt32 (values[1]);
+ // else if (values[0] == "File Name")
+ // gdaCncStr = String.Concat (gdaCncStr, "FILENAME=", values[1], ";");
+ // else if (values[0] == "Password" || values[0] == "Pwd")
+ // gdaCncStr = String.Concat (gdaCncStr, "PASSWORD=", values[1], ";");
+ // else if (values[0] == "User ID")
+ // gdaCncStr = String.Concat (gdaCncStr, "USERNAME=", values[1], ";");
+ //}
+
+ /* open the connection */
+ //System.Console.WriteLine ("Opening connection for provider " +
+ // provider + " with " + gdaCncStr);
+ //gdaConnection = libgda.gda_client_open_connection_from_string (libgda.GdaClient,
+ // provider,
+ // gdaCncStr);
+ }
+
+ [MonoTODO]
+ public static void ReleaseObjectPool ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ #endregion
+
+ #region Events and Delegates
+
+ public event OleDbInfoMessageEventHandler InfoMessage;
+ public event StateChangeEventHandler StateChange;
+
+ #endregion
}
}
projects / mono.git / blobdiff