120 lines
4.1 KiB
C#
120 lines
4.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SqlBulkCopyColumnMapping.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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// <owner current="true" primary="false">[....]</owner>
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//------------------------------------------------------------------------------
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// Todo: rename the file
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// Caution! ndp\fx\src\data\netmodule\sources needs to follow this change
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namespace System.Data.SqlClient
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{
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using System;
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using System.Data;
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using System.Data.Common;
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using System.Data.SqlTypes;
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using System.ComponentModel;
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using System.Collections;
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using System.Diagnostics;
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// -------------------------------------------------------------------------------------------------
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// this class helps allows the user to create association between source- and targetcolumns
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//
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//
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public sealed class SqlBulkCopyColumnMapping {
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internal string _destinationColumnName;
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internal int _destinationColumnOrdinal;
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internal string _sourceColumnName;
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internal int _sourceColumnOrdinal;
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// devnote: we don't want the user to detect the columnordinal after WriteToServer call.
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// _sourceColumnOrdinal(s) will be copied to _internalSourceColumnOrdinal when WriteToServer executes.
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internal int _internalDestinationColumnOrdinal;
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internal int _internalSourceColumnOrdinal; // -1 indicates an undetermined value
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public string DestinationColumn {
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get {
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if (_destinationColumnName != null) {
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return _destinationColumnName;
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}
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return string.Empty;
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}
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set {
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_destinationColumnOrdinal = _internalDestinationColumnOrdinal = -1;
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_destinationColumnName = value;
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}
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}
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public int DestinationOrdinal {
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get {
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return _destinationColumnOrdinal;
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}
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set {
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if (value >= 0) {
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_destinationColumnName = null;
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_destinationColumnOrdinal = _internalDestinationColumnOrdinal = value;
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}
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else {
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throw ADP.IndexOutOfRange(value);
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}
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}
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}
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public string SourceColumn {
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get {
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if (_sourceColumnName != null) {
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return _sourceColumnName;
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}
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return string.Empty;
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}
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set {
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_sourceColumnOrdinal = _internalSourceColumnOrdinal = -1;
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_sourceColumnName = value;
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}
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}
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public int SourceOrdinal {
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get {
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return _sourceColumnOrdinal;
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}
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set {
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if (value >= 0) {
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_sourceColumnName = null;
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_sourceColumnOrdinal = _internalSourceColumnOrdinal = value;
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}
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else {
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throw ADP.IndexOutOfRange(value);
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}
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}
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}
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public SqlBulkCopyColumnMapping () {
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_internalSourceColumnOrdinal = -1;
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}
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public SqlBulkCopyColumnMapping (string sourceColumn, string destinationColumn) {
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SourceColumn = sourceColumn;
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DestinationColumn = destinationColumn;
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}
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public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, string destinationColumn) {
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SourceOrdinal = sourceColumnOrdinal;
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DestinationColumn = destinationColumn;
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}
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public SqlBulkCopyColumnMapping (string sourceColumn, int destinationOrdinal) {
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SourceColumn = sourceColumn;
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DestinationOrdinal = destinationOrdinal;
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}
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public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, int destinationOrdinal) {
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SourceOrdinal = sourceColumnOrdinal;
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DestinationOrdinal = destinationOrdinal;
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}
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}
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}
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