//
// System.Data.OleDb.OleDbConnection
//
// 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 System.Globalization;
using java.sql;
using System.Configuration;
using Mainsoft.Data.Configuration;
using Mainsoft.Data.Jdbc.Providers;
namespace System.Data.OleDb{
public sealed class OleDbConnection : AbstractDBConnection {
#region Events
public event OleDbInfoMessageEventHandler InfoMessage;
#endregion // Events
#region Constructors
public OleDbConnection() : this(null) {
}
public OleDbConnection(String connectionString) : base(connectionString) {
}
#endregion // Constructors
#region Properties
public String Provider {
get {
IDictionary conDict = ConnectionStringBuilder;
string provider = (string)conDict["Provider"];
if (provider == null || provider.Length == 0)
throw ExceptionHelper.OleDbNoProviderSpecified();
return provider;
}
}
protected override IConnectionProvider GetConnectionProvider() {
IDictionary conProviderDict = ConnectionStringDictionary.Parse(ConnectionString);
string jdbcUrl = (string)conProviderDict["JdbcUrl"];
if (jdbcUrl == null) {
string provider = (string)conProviderDict["Provider"];
if (provider != null)
return GetConnectionProvider("Mainsoft.Data.Configuration/OleDbProviders", provider);
}
return new GenericProvider (conProviderDict);
}
#endregion // Properties
#region Methods
public new OleDbTransaction BeginTransaction(IsolationLevel level)
{
return new OleDbTransaction(level, this);
}
public new OleDbTransaction BeginTransaction()
{
return BeginTransaction(IsolationLevel.ReadCommitted);
}
public new OleDbCommand CreateCommand()
{
return new OleDbCommand(this);
}
protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel) {
return BeginTransaction();
}
protected override DbCommand CreateDbCommand() {
return CreateCommand();
}
protected sealed override SystemException CreateException(SQLException e)
{
return new OleDbException(e,this);
}
protected sealed override SystemException CreateException(string message)
{
return new OleDbException(message, null, this);
}
[MonoTODO]
public DataTable GetOleDbSchemaTable (Guid schema, object[] restrictions)
{
if (State != ConnectionState.Open)
throw ExceptionHelper.ConnectionNotOpened("GetOleDbSchemaTable", State.ToString());
try {
string[] fixedRestrictions = new string[4];
if (restrictions != null) {
if (restrictions.Length > 4)
throw new OleDbException("The parameter is incorrect", null, this);
for (int i = 0, count = restrictions.Length; i < count; i ++) {
if (restrictions[i] != null) {
if (!(restrictions[i] is string))
throw new OleDbException("The parameter is incorrect", null, this);
fixedRestrictions[i] = (string)restrictions[i];
}
}
}
DataTable schemaTable = new DataTable("Tables");
schemaTable.Columns.Add("TABLE_CATALOG");
schemaTable.Columns.Add("TABLE_SCHEMA");
schemaTable.Columns.Add("TABLE_NAME");
schemaTable.Columns.Add("TABLE_TYPE");
schemaTable.Columns.Add("TABLE_GUID");
schemaTable.Columns.Add("DESCRIPTION");
schemaTable.Columns.Add("TABLE_PROPID");
schemaTable.Columns.Add("DATE_CREATED");
schemaTable.Columns.Add("DATE_MODIFIED");
java.sql.ResultSet tableRes = JdbcConnection.getMetaData().getTables(
fixedRestrictions[0],
fixedRestrictions[1],
fixedRestrictions[2],
new string[]{fixedRestrictions[3]});
try {
while(tableRes.next()) {
DataRow row = schemaTable.NewRow();
row["TABLE_CATALOG"] = tableRes.getString("TABLE_CAT");
row["TABLE_SCHEMA"] = tableRes.getString("TABLE_SCHEM");
row["TABLE_NAME"] = tableRes.getString("TABLE_NAME");
row["TABLE_TYPE"] = tableRes.getString("TABLE_TYPE");
row["DESCRIPTION"] = tableRes.getString("REMARKS");
schemaTable.Rows.Add(row);
}
}
finally {
tableRes.close();
}
return schemaTable;
}
catch (SQLException e) {
throw CreateException(e);
}
}
public static void ReleaseObjectPool()
{
// since we're using connection pool from app servet, this is by design
//throw new NotImplementedException();
}
#if NET_2_0
[MonoLimitation ("Empty implementation since State relies on java.sql.Connection.State always returning the correct state")]
public void ResetState ()
{
}
#endif
protected internal sealed override void OnSqlWarning(SQLWarning warning)
{
OleDbErrorCollection col = new OleDbErrorCollection(warning, this);
OnOleDbInfoMessage(new OleDbInfoMessageEventArgs(col));
}
private void OnOleDbInfoMessage (OleDbInfoMessageEventArgs value)
{
if (InfoMessage != null) {
InfoMessage (this, value);
}
}
#endregion // Methods
}
}
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