using System.Data;
using System.Data.Common;
using System.EnterpriseServices;
+using System.Transactions;
namespace System.Data.OleDb
{
- [DefaultEvent ("InfoMessage")]
- public sealed class OleDbConnection : Component, ICloneable, IDbConnection
+ [DefaultEvent ("InfoMessage")]
+ public sealed class OleDbConnection : DbConnection, ICloneable
{
#region Fields
public OleDbConnection ()
{
- libgda.gda_init ("System.Data.OleDb", "1.0", 0, new string [0]);
gdaConnection = IntPtr.Zero;
connectionTimeout = 15;
- connectionString = null;
}
public OleDbConnection (string connectionString) : this ()
[DataCategory ("Data")]
[DefaultValue ("")]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Information used to connect to a Data Source.")]
-#endif
[EditorAttribute ("Microsoft.VSDesigner.Data.ADO.Design.OleDbConnectionStringEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
- [RecommendedAsConfigurableAttribute (true)]
+ [RecommendedAsConfigurable (true)]
[RefreshPropertiesAttribute (RefreshProperties.All)]
- public string ConnectionString {
+ public override string ConnectionString {
get {
+ if (connectionString == null)
+ return string.Empty;
return connectionString;
}
set {
}
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Current connection timeout value, 'Connect Timeout=X' in the ConnectionString.")]
-#endif
- public int ConnectionTimeout {
+ public override int ConnectionTimeout {
get {
return connectionTimeout;
}
}
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Current data source catalog value, 'Initial Catalog=X' in the connection string.")]
-#endif
- public string Database {
+ public override
+ string Database {
get {
if (gdaConnection != IntPtr.Zero
- && libgda.gda_connection_is_open (gdaConnection)) {
+ && libgda.gda_connection_is_open (gdaConnection)) {
return libgda.gda_connection_get_database (gdaConnection);
}
- return null;
+ return string.Empty;
}
}
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Current data source, 'Data Source=X' in the connection string.")]
-#endif
- public string DataSource {
+ [BrowsableAttribute (true)]
+ public override string DataSource {
get {
if (gdaConnection != IntPtr.Zero
- && libgda.gda_connection_is_open (gdaConnection)) {
+ && libgda.gda_connection_is_open (gdaConnection)) {
return libgda.gda_connection_get_dsn (gdaConnection);
}
- return null;
+ return string.Empty;
}
}
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Current OLE DB provider progid, 'Provider=X' in the connection string.")]
-#endif
+ [BrowsableAttribute (true)]
public string Provider {
get {
if (gdaConnection != IntPtr.Zero
- && libgda.gda_connection_is_open (gdaConnection)) {
+ && libgda.gda_connection_is_open (gdaConnection)) {
return libgda.gda_connection_get_provider (gdaConnection);
}
- return null;
+ return string.Empty;
}
}
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("Version of the product accessed by the OLE DB Provider.")]
-#endif
- [BrowsableAttribute (false)]
- public string ServerVersion {
+ public override string ServerVersion {
get {
- if (gdaConnection != IntPtr.Zero
- && libgda.gda_connection_is_open (gdaConnection)) {
- return libgda.gda_connection_get_server_version (gdaConnection);
- }
-
- return null;
+ if (State == ConnectionState.Closed)
+ throw ExceptionHelper.ConnectionClosed ();
+ return libgda.gda_connection_get_server_version (gdaConnection);
}
}
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
-#if !NET_2_0
- [DataSysDescriptionAttribute ("The ConnectionState indicating whether the connection is open or closed.")]
-#endif
- [BrowsableAttribute (false)]
- public ConnectionState State
- {
+ [BrowsableAttribute (false)]
+ public override ConnectionState State {
get {
if (gdaConnection != IntPtr.Zero) {
if (libgda.gda_connection_is_open (gdaConnection))
}
}
- internal IntPtr GdaConnection
- {
+ internal IntPtr GdaConnection {
get {
return gdaConnection;
}
#region Methods
- public OleDbTransaction BeginTransaction ()
+ public new OleDbTransaction BeginTransaction ()
{
- if (gdaConnection != IntPtr.Zero)
- return new OleDbTransaction (this);
-
- return null;
+ if (State == ConnectionState.Closed)
+ throw ExceptionHelper.ConnectionClosed ();
+ return new OleDbTransaction (this);
}
- IDbTransaction IDbConnection.BeginTransaction ()
+ public new OleDbTransaction BeginTransaction (IsolationLevel isolationLevel)
{
- return BeginTransaction ();
+ if (State == ConnectionState.Closed)
+ throw ExceptionHelper.ConnectionClosed ();
+ return new OleDbTransaction (this, isolationLevel);
}
-
- public OleDbTransaction BeginTransaction (IsolationLevel level)
- {
- if (gdaConnection != IntPtr.Zero)
- return new OleDbTransaction (this, level);
- return null;
+ protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel)
+ {
+ return BeginTransaction (isolationLevel);
}
- IDbTransaction IDbConnection.BeginTransaction (IsolationLevel level)
+ protected override DbCommand CreateDbCommand()
{
- return BeginTransaction (level);
+ return CreateCommand ();
}
- public void ChangeDatabase (string name)
+ public override void ChangeDatabase (string value)
{
- if (gdaConnection == IntPtr.Zero)
- throw new ArgumentException ();
if (State != ConnectionState.Open)
throw new InvalidOperationException ();
- if (!libgda.gda_connection_change_database (gdaConnection, name))
+ if (!libgda.gda_connection_change_database (gdaConnection, value))
throw new OleDbException (this);
}
- public void Close ()
+ public override void Close ()
{
if (State == ConnectionState.Open) {
libgda.gda_connection_close (gdaConnection);
}
}
- public OleDbCommand CreateCommand ()
+ public new OleDbCommand CreateCommand ()
{
if (State == ConnectionState.Open)
return new OleDbCommand (null, this);
throw new NotImplementedException();
}
- IDbCommand IDbConnection.CreateCommand ()
- {
- return CreateCommand ();
- }
-
- public void Open ()
+ public
+ override
+ void Open ()
{
- string provider = "Default";
- string gdaCncStr = "";
- string[] args;
- int len;
- char [] separator = { ';' };
+// string provider = "Default";
+// string gdaCncStr = string.Empty;
+// string[] args;
+// int len;
+// char [] separator = { ';' };
if (State == ConnectionState.Open)
throw new InvalidOperationException ();
+ libgda.gda_init ("System.Data.OleDb", "1.0", 0, new string [0]);
+
gdaConnection = libgda.gda_client_open_connection (libgda.GdaClient,
- connectionString,
- "", "", 0);
+ ConnectionString, string.Empty, string.Empty, 0);
- if (gdaConnection==IntPtr.Zero)
- throw new OleDbException (this);
+ if (gdaConnection == IntPtr.Zero)
+ throw new OleDbException (this);
/* convert the connection string to its GDA equivalent */
//args = connectionString.Split (';');
//len = args.Length;
throw new NotImplementedException ();
}
+ [MonoTODO]
+ public override void EnlistTransaction (Transaction transaction)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ public override DataTable GetSchema ()
+ {
+ if (State == ConnectionState.Closed)
+ throw ExceptionHelper.ConnectionClosed ();
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ public override DataTable GetSchema(string collectionName)
+ {
+ return GetSchema (collectionName, null);
+ }
+
+ [MonoTODO]
+ public override DataTable GetSchema (String collectionName, string [] restrictionValues)
+ {
+ if (State == ConnectionState.Closed)
+ throw ExceptionHelper.ConnectionClosed ();
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ public void ResetState ()
+ {
+ throw new NotImplementedException ();
+ }
+
#endregion
#region Events and Delegates
-#if !NET_2_0
- [DataSysDescription ("Event triggered when messages arrive from the DataSource.")]
-#endif
- [DataCategory ("DataCategory_InfoMessage")]
+ [DataCategory ("DataCategory_InfoMessage")]
public event OleDbInfoMessageEventHandler InfoMessage;
-#if !NET_2_0
- [DataSysDescription ("Event triggered when the connection changes state.")]
-#endif
- [DataCategory ("DataCategory_StateChange")]
- public event StateChangeEventHandler StateChange;
#endregion
}