//
// System.Data.Common.DataColumnMapping.cs
//
// Authors:
// Rodrigo Moya (rodrigo@ximian.com)
// Tim Coleman (tim@timcoleman.com)
//
// (C) Ximian, Inc
// Copyright (C) Tim Coleman, 2002-2003
//
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.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.ComponentModel;
using System.Data;
namespace System.Data.Common{
#if NET_2_0
[TypeConverterAttribute ("System.Data.Common.DataColumnMapping+DataColumnMappingConverter, " + Consts.AssemblySystem_Data)]
#else
[TypeConverterAttribute (typeof (DataColumnMappingConverter))]
#endif
public sealed class DataColumnMapping : MarshalByRefObject, IColumnMapping, ICloneable
{
#region Fields
string sourceColumn;
string dataSetColumn;
#endregion // Fields
#region Constructors
public DataColumnMapping ()
{
sourceColumn = String.Empty;
dataSetColumn = String.Empty;
}
public DataColumnMapping (string sourceColumn, string dataSetColumn)
{
this.sourceColumn = sourceColumn;
this.dataSetColumn = dataSetColumn;
}
#endregion // Constructors
#region Properties
#if ONLY_1_1
[DataSysDescription ("DataColumn.ColumnName")]
#endif
[DefaultValue ("")]
public string DataSetColumn {
get { return dataSetColumn; }
set { dataSetColumn = value; }
}
#if !NET_2_0
[DataSysDescription ("Source column name - case sensitive.")]
#endif
[DefaultValue ("")]
public string SourceColumn {
get { return sourceColumn; }
set { sourceColumn = value; }
}
#endregion // Properties
#region Methods
[EditorBrowsable (EditorBrowsableState.Advanced)]
public DataColumn GetDataColumnBySchemaAction (DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (dataTable.Columns.Contains (dataSetColumn))
return dataTable.Columns [dataSetColumn];
if (schemaAction == MissingSchemaAction.Ignore)
return null;
if (schemaAction == MissingSchemaAction.Error)
throw new InvalidOperationException (String.Format ("Missing the DataColumn '{0}' in the DataTable '{1}' for the SourceColumn '{2}'", DataSetColumn, dataTable.TableName, SourceColumn));
return new DataColumn (dataSetColumn, dataType);
}
#if NET_2_0
[EditorBrowsable (EditorBrowsableState.Advanced)]
public static DataColumn GetDataColumnBySchemaAction (string sourceColumn, string dataSetColumn, DataTable dataTable, Type dataType, MissingSchemaAction schemaAction)
{
if (dataTable.Columns.Contains (dataSetColumn))
return dataTable.Columns [dataSetColumn];
if (schemaAction == MissingSchemaAction.Ignore)
return null;
if (schemaAction == MissingSchemaAction.Error)
throw new InvalidOperationException (String.Format ("Missing the DataColumn '{0}' in the DataTable '{1}' for the SourceColumn '{2}'", dataSetColumn, dataTable.TableName, sourceColumn));
return new DataColumn (dataSetColumn, dataType);
}
#endif
object ICloneable.Clone ()
{
return new DataColumnMapping (SourceColumn, DataSetColumn);
}
public override string ToString ()
{
return SourceColumn;
}
#endregion // Methods
}
}
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