SqlBulkCopyColumnMappingCollection.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / SqlClient / SqlBulkCopyColumnMappingCollection.cs / 1305376 / SqlBulkCopyColumnMappingCollection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
// todo: rename the file
// Caution! ndp\fx\src\data\netmodule\sources needs to follow this name change 

namespace System.Data.SqlClient
{
    using System; 
    using System.Data;
    using System.Data.Common; 
    using System.ComponentModel; 

    using System.Collections; 
    using System.Diagnostics;

    public sealed class SqlBulkCopyColumnMappingCollection : CollectionBase  {
 
        private enum MappingSchema {
            Undefined = 0, 
            NamesNames = 1, 
            NemesOrdinals = 2,
            OrdinalsNames = 3, 
            OrdinalsOrdinals = 4,
        }

        private bool _readOnly; 
        private MappingSchema _mappingSchema = MappingSchema.Undefined;
 
        internal SqlBulkCopyColumnMappingCollection() { 
        }
 
        public SqlBulkCopyColumnMapping this [int index] {
            get {
                return (SqlBulkCopyColumnMapping)this.List[index];
            } 
        }
 
        internal bool ReadOnly { 
            get {
                return _readOnly; 
            }
            set {
                _readOnly = value;
            } 
        }
 
 
        public SqlBulkCopyColumnMapping Add(SqlBulkCopyColumnMapping bulkCopyColumnMapping) {
            AssertWriteAccess(); 
            Debug.Assert(ADP.IsEmpty(bulkCopyColumnMapping.SourceColumn) || bulkCopyColumnMapping._internalSourceColumnOrdinal == -1, "BulkLoadAmbigousSourceColumn");
            if (((ADP.IsEmpty(bulkCopyColumnMapping.SourceColumn)) && (bulkCopyColumnMapping.SourceOrdinal == -1))
                || ((ADP.IsEmpty(bulkCopyColumnMapping.DestinationColumn))&&(bulkCopyColumnMapping.DestinationOrdinal == -1))) {
                throw SQL.BulkLoadNonMatchingColumnMapping(); 
            }
            InnerList.Add(bulkCopyColumnMapping); 
            return bulkCopyColumnMapping; 
        }
 
        public SqlBulkCopyColumnMapping Add(string sourceColumn, string destinationColumn) {
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumn, destinationColumn);
            return Add(column); 
        }
 
        public SqlBulkCopyColumnMapping Add(int sourceColumnIndex, string destinationColumn) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumnIndex, destinationColumn); 
            return Add(column);
        }

        public SqlBulkCopyColumnMapping Add(string sourceColumn, int destinationColumnIndex) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumn, destinationColumnIndex); 
            return Add(column); 
        }
        public SqlBulkCopyColumnMapping Add(int sourceColumnIndex, int destinationColumnIndex) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumnIndex, destinationColumnIndex);
            return Add(column);
        } 

        private void AssertWriteAccess () { 
            if (ReadOnly) { 
                throw SQL.BulkLoadMappingInaccessible();
            } 
        }

        new public void Clear() {
            AssertWriteAccess(); 
            base.Clear();
        } 
 
        public bool Contains(SqlBulkCopyColumnMapping value) {
            return (-1 != InnerList.IndexOf(value)); 
        }

        public void CopyTo(SqlBulkCopyColumnMapping[] array, int index) {
            InnerList.CopyTo(array, index); 
        }
 
        internal void CreateDefaultMapping (int columnCount) { 
            for (int i=0; i
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
// todo: rename the file
// Caution! ndp\fx\src\data\netmodule\sources needs to follow this name change 

namespace System.Data.SqlClient
{
    using System; 
    using System.Data;
    using System.Data.Common; 
    using System.ComponentModel; 

    using System.Collections; 
    using System.Diagnostics;

    public sealed class SqlBulkCopyColumnMappingCollection : CollectionBase  {
 
        private enum MappingSchema {
            Undefined = 0, 
            NamesNames = 1, 
            NemesOrdinals = 2,
            OrdinalsNames = 3, 
            OrdinalsOrdinals = 4,
        }

        private bool _readOnly; 
        private MappingSchema _mappingSchema = MappingSchema.Undefined;
 
        internal SqlBulkCopyColumnMappingCollection() { 
        }
 
        public SqlBulkCopyColumnMapping this [int index] {
            get {
                return (SqlBulkCopyColumnMapping)this.List[index];
            } 
        }
 
        internal bool ReadOnly { 
            get {
                return _readOnly; 
            }
            set {
                _readOnly = value;
            } 
        }
 
 
        public SqlBulkCopyColumnMapping Add(SqlBulkCopyColumnMapping bulkCopyColumnMapping) {
            AssertWriteAccess(); 
            Debug.Assert(ADP.IsEmpty(bulkCopyColumnMapping.SourceColumn) || bulkCopyColumnMapping._internalSourceColumnOrdinal == -1, "BulkLoadAmbigousSourceColumn");
            if (((ADP.IsEmpty(bulkCopyColumnMapping.SourceColumn)) && (bulkCopyColumnMapping.SourceOrdinal == -1))
                || ((ADP.IsEmpty(bulkCopyColumnMapping.DestinationColumn))&&(bulkCopyColumnMapping.DestinationOrdinal == -1))) {
                throw SQL.BulkLoadNonMatchingColumnMapping(); 
            }
            InnerList.Add(bulkCopyColumnMapping); 
            return bulkCopyColumnMapping; 
        }
 
        public SqlBulkCopyColumnMapping Add(string sourceColumn, string destinationColumn) {
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumn, destinationColumn);
            return Add(column); 
        }
 
        public SqlBulkCopyColumnMapping Add(int sourceColumnIndex, string destinationColumn) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumnIndex, destinationColumn); 
            return Add(column);
        }

        public SqlBulkCopyColumnMapping Add(string sourceColumn, int destinationColumnIndex) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumn, destinationColumnIndex); 
            return Add(column); 
        }
        public SqlBulkCopyColumnMapping Add(int sourceColumnIndex, int destinationColumnIndex) { 
            AssertWriteAccess();
            SqlBulkCopyColumnMapping column = new SqlBulkCopyColumnMapping (sourceColumnIndex, destinationColumnIndex);
            return Add(column);
        } 

        private void AssertWriteAccess () { 
            if (ReadOnly) { 
                throw SQL.BulkLoadMappingInaccessible();
            } 
        }

        new public void Clear() {
            AssertWriteAccess(); 
            base.Clear();
        } 
 
        public bool Contains(SqlBulkCopyColumnMapping value) {
            return (-1 != InnerList.IndexOf(value)); 
        }

        public void CopyTo(SqlBulkCopyColumnMapping[] array, int index) {
            InnerList.CopyTo(array, index); 
        }
 
        internal void CreateDefaultMapping (int columnCount) { 
            for (int i=0; i
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SqlBulkCopyColumnMappingCollection.cs source code in C# .NET

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