SqlBulkCopyColumnMapping.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / SqlClient / SqlBulkCopyColumnMapping.cs / 1305376 / SqlBulkCopyColumnMapping.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
// Todo: rename the file
// Caution! ndp\fx\src\data\netmodule\sources needs to follow this change 

namespace System.Data.SqlClient
{
    using System; 
    using System.Data;
    using System.Data.Common; 
    using System.Data.SqlTypes; 
    using System.ComponentModel;
 
    using System.Collections;
    using System.Diagnostics;

    // ------------------------------------------------------------------------------------------------- 
    // this class helps allows the user to create association between source- and targetcolumns
    // 
    // 

    public sealed class SqlBulkCopyColumnMapping { 
        internal string         _destinationColumnName;
        internal int            _destinationColumnOrdinal;
        internal string         _sourceColumnName;
        internal int            _sourceColumnOrdinal; 

        // devnote: we don't want the user to detect the columnordinal after WriteToServer call. 
        // _sourceColumnOrdinal(s) will be copied to _internalSourceColumnOrdinal when WriteToServer executes. 
        internal int            _internalDestinationColumnOrdinal;
        internal int            _internalSourceColumnOrdinal;   // -1 indicates an undetermined value 

        public string DestinationColumn {
            get {
                if (_destinationColumnName != null) { 
                    return _destinationColumnName;
                } 
                return string.Empty; 
            }
            set { 
                _destinationColumnOrdinal = _internalDestinationColumnOrdinal = -1;
                _destinationColumnName = value;
            }
        } 

        public int DestinationOrdinal { 
            get { 
                    return _destinationColumnOrdinal;
            } 
            set {
                if (value >= 0) {
                    _destinationColumnName = null;
                    _destinationColumnOrdinal = _internalDestinationColumnOrdinal = value; 
                }
                else { 
                    throw ADP.IndexOutOfRange(value); 
                }
            } 
        }

        public string SourceColumn {
            get { 
                if (_sourceColumnName != null) {
                    return _sourceColumnName; 
                } 
                return string.Empty;
            } 
            set {
                _sourceColumnOrdinal = _internalSourceColumnOrdinal = -1;
                _sourceColumnName = value;
            } 
        }
 
        public int SourceOrdinal { 
            get {
                    return _sourceColumnOrdinal; 
            }
            set {
                if (value >= 0) {
                    _sourceColumnName = null; 
                    _sourceColumnOrdinal = _internalSourceColumnOrdinal = value;
                } 
                else { 
                    throw ADP.IndexOutOfRange(value);
                } 
            }
        }

        public SqlBulkCopyColumnMapping () { 
            _internalSourceColumnOrdinal = -1;
        } 
 
        public SqlBulkCopyColumnMapping (string sourceColumn, string destinationColumn) {
            SourceColumn = sourceColumn; 
            DestinationColumn = destinationColumn;
        }

        public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, string destinationColumn) { 
            SourceOrdinal = sourceColumnOrdinal;
            DestinationColumn = destinationColumn; 
        } 

        public SqlBulkCopyColumnMapping (string sourceColumn, int destinationOrdinal) { 
            SourceColumn = sourceColumn;
            DestinationOrdinal = destinationOrdinal;
        }
 
        public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, int destinationOrdinal) {
            SourceOrdinal = sourceColumnOrdinal; 
            DestinationOrdinal = destinationOrdinal; 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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