160 lines
4.7 KiB
C#
160 lines
4.7 KiB
C#
//
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// System.Data.Common.DataTableMapping.cs
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//
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// Authors:
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// Rodrigo Moya (rodrigo@ximian.com)
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// Tim Coleman (tim@timcoleman.com)
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//
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// (C) Ximian, Inc
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// Copyright (C) Tim Coleman, 2002-2003
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.ComponentModel;
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using System.Data;
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namespace System.Data.Common {
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#if NET_2_0
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[TypeConverterAttribute ("System.Data.Common.DataTableMapping+DataTableMappingConverter, " + Consts.AssemblySystem_Data)]
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#else
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[TypeConverterAttribute (typeof (DataTableMappingConverter))]
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#endif
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public sealed class DataTableMapping : MarshalByRefObject, ITableMapping, ICloneable
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{
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#region Fields
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string sourceTable;
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string dataSetTable;
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DataColumnMappingCollection columnMappings;
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#endregion // Fields
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#region Constructors
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public DataTableMapping ()
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{
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dataSetTable = String.Empty;
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sourceTable = String.Empty;
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columnMappings = new DataColumnMappingCollection ();
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}
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public DataTableMapping (string sourceTable, string dataSetTable)
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: this ()
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{
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this.sourceTable = sourceTable;
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this.dataSetTable = dataSetTable;
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}
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public DataTableMapping (string sourceTable, string dataSetTable, DataColumnMapping[] columnMappings)
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: this (sourceTable, dataSetTable)
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{
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this.columnMappings.AddRange (columnMappings);
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}
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#endregion // Constructors
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#region Properties
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#if !NET_2_0
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[DataSysDescription ("Individual columns mappings when this table mapping is matched.")]
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#endif
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
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public DataColumnMappingCollection ColumnMappings {
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get { return columnMappings; }
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}
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#if !NET_2_0
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[DataSysDescription ("DataTable.TableName")]
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#endif
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[DefaultValue ("")]
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public string DataSetTable {
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get { return dataSetTable; }
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set { dataSetTable = value; }
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}
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IColumnMappingCollection ITableMapping.ColumnMappings {
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get { return ColumnMappings; }
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}
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#if !NET_2_0
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[DataSysDescription ("The DataTableMapping source table name. This name is case sensitive.")]
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#endif
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[DefaultValue ("")]
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public string SourceTable {
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get { return sourceTable; }
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set { sourceTable = value; }
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}
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#endregion // Properties
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#region Methods
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[EditorBrowsable (EditorBrowsableState.Advanced)]
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public DataColumnMapping GetColumnMappingBySchemaAction (string sourceColumn, MissingMappingAction mappingAction)
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{
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return DataColumnMappingCollection.GetColumnMappingBySchemaAction (columnMappings, sourceColumn, mappingAction);
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}
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#if NET_2_0
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[MonoTODO]
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[EditorBrowsable (EditorBrowsableState.Advanced)]
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public DataColumn GetDataColumn (string sourceColumn,
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Type dataType,
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DataTable dataTable,
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MissingMappingAction mappingAction,
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MissingSchemaAction schemaAction)
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{
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throw new NotImplementedException ();
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}
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#endif
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[EditorBrowsable (EditorBrowsableState.Advanced)]
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public DataTable GetDataTableBySchemaAction (DataSet dataSet, MissingSchemaAction schemaAction)
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{
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if (dataSet.Tables.Contains (DataSetTable))
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return dataSet.Tables [DataSetTable];
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if (schemaAction == MissingSchemaAction.Ignore)
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return null;
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if (schemaAction == MissingSchemaAction.Error)
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throw new InvalidOperationException (String.Format ("Missing the '{0} DataTable for the '{1}' SourceTable", DataSetTable, SourceTable));
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return new DataTable (DataSetTable);
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}
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object ICloneable.Clone ()
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{
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DataColumnMapping [] arr = new DataColumnMapping [columnMappings.Count];
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columnMappings.CopyTo (arr, 0);
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return new DataTableMapping (SourceTable, DataSetTable, arr);
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}
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public override string ToString ()
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{
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return SourceTable;
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}
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#endregion // Methods
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}
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}
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