a575963da9
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
327 lines
9.1 KiB
C#
327 lines
9.1 KiB
C#
//
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// System.Data.Common.DataTableMappingCollection.cs
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//
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// Author:
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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;
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using System.Collections;
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using System.ComponentModel;
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namespace System.Data.Common
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{
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[ListBindable (false)]
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[EditorAttribute ("Microsoft.VSDesigner.Data.Design.DataTableMappingCollectionEditor, "+ Consts.AssemblyMicrosoft_VSDesigner, "System.Drawing.Design.UITypeEditor, "+ Consts.AssemblySystem_Drawing )]
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public sealed class DataTableMappingCollection : MarshalByRefObject, ITableMappingCollection, IList, ICollection, IEnumerable
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{
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#region Fields
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ArrayList mappings;
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Hashtable sourceTables;
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Hashtable dataSetTables;
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#endregion
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#region Constructors
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public DataTableMappingCollection()
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{
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mappings = new ArrayList ();
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sourceTables = new Hashtable ();
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dataSetTables = new Hashtable ();
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}
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#endregion // Constructors
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#region Properties
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[Browsable (false)]
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#if !NET_2_0
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[DataSysDescription ("The number of items in the collection")]
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#endif
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
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public int Count {
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get { return mappings.Count; }
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}
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[Browsable (false)]
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#if !NET_2_0
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[DataSysDescription ("The specified DataTableMapping object")]
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#endif
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
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public DataTableMapping this [int index] {
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get { return (DataTableMapping)(mappings[index]); }
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set {
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DataTableMapping mapping = (DataTableMapping) mappings[index];
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sourceTables [mapping.SourceTable] = value;
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dataSetTables [mapping.DataSetTable] = value;
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mappings [index] = value;
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}
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}
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[Browsable (false)]
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#if !NET_2_0
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[DataSysDescription ("The specified DataTableMapping object")]
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#endif
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
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public DataTableMapping this [string sourceTable] {
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get { return (DataTableMapping) sourceTables[sourceTable]; }
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set { this [mappings.IndexOf (sourceTables[sourceTable])] = value; }
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}
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object IList.this [int index] {
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get { return (object)(this[index]); }
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set {
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if (!(value is DataTableMapping))
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throw new ArgumentException ();
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this[index] = (DataTableMapping)value;
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}
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}
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bool ICollection.IsSynchronized {
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get { return mappings.IsSynchronized; }
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}
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object ICollection.SyncRoot {
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get { return mappings.SyncRoot; }
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}
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bool IList.IsFixedSize {
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get { return false; }
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}
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bool IList.IsReadOnly {
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get { return false; }
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}
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object ITableMappingCollection.this [string index] {
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get { return this [index]; }
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set {
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if (!(value is DataTableMapping))
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throw new ArgumentException ();
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this [index] = (DataTableMapping) value;
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}
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}
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#endregion // Properties
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#region Methods
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public int Add (object value)
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{
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if (!(value is System.Data.Common.DataTableMapping))
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throw new InvalidCastException ("The object passed in was not a DataTableMapping object.");
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sourceTables [((DataTableMapping) value).SourceTable] = value;
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dataSetTables [((DataTableMapping) value).DataSetTable] = value;
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return mappings.Add (value);
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}
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public DataTableMapping Add (string sourceTable, string dataSetTable)
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{
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DataTableMapping mapping = new DataTableMapping (sourceTable, dataSetTable);
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Add (mapping);
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return mapping;
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}
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#if NET_2_0
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public void AddRange (Array values)
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{
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for (int i = 0; i < values.Length; ++i)
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Add (values.GetValue (i));
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}
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#endif
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public void AddRange (DataTableMapping[] values)
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{
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foreach (DataTableMapping dataTableMapping in values)
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this.Add (dataTableMapping);
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}
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public void Clear ()
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{
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sourceTables.Clear ();
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dataSetTables.Clear ();
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mappings.Clear ();
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}
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public bool Contains (object value)
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{
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return mappings.Contains (value);
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}
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public bool Contains (string value)
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{
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return sourceTables.Contains (value);
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}
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public void CopyTo (Array array, int index)
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{
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mappings.CopyTo (array, index);
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}
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#if NET_2_0
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public void CopyTo (DataTableMapping[] array, int index)
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{
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mappings.CopyTo (array, index);
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}
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#endif
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public DataTableMapping GetByDataSetTable (string dataSetTable)
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{
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// this should work case-insenstive.
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if (!(dataSetTables[dataSetTable] == null))
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return (DataTableMapping) (dataSetTables [dataSetTable]);
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else {
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string lowcasevalue = dataSetTable.ToLower ();
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object [] keyarray = new object [dataSetTables.Count];
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dataSetTables.Keys.CopyTo (keyarray, 0);
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for (int i=0; i<keyarray.Length; i++) {
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string temp = (string) keyarray [i];
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if (lowcasevalue.Equals (temp.ToLower ()))
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return (DataTableMapping) (dataSetTables [keyarray [i]]);
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}
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return null;
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}
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}
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[EditorBrowsable (EditorBrowsableState.Advanced)]
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public static DataTableMapping GetTableMappingBySchemaAction (DataTableMappingCollection tableMappings, string sourceTable, string dataSetTable, MissingMappingAction mappingAction)
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{
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if (tableMappings.Contains (sourceTable))
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return tableMappings[sourceTable];
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if (mappingAction == MissingMappingAction.Error)
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throw new InvalidOperationException (String.Format ("Missing source table mapping: '{0}'",
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sourceTable));
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if (mappingAction == MissingMappingAction.Ignore)
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return null;
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return new DataTableMapping (sourceTable, dataSetTable);
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}
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public IEnumerator GetEnumerator ()
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{
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return mappings.GetEnumerator ();
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}
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public int IndexOf (object value)
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{
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return mappings.IndexOf (value);
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}
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public int IndexOf (string sourceTable)
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{
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return IndexOf (sourceTables[sourceTable]);
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}
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public int IndexOfDataSetTable (string dataSetTable)
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{
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// this should work case-insensitive
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if (!(dataSetTables[dataSetTable] == null))
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return IndexOf ((DataTableMapping)(dataSetTables[dataSetTable]));
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else {
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string lowcasevalue = dataSetTable.ToLower();
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object [] keyarray = new object[dataSetTables.Count];
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dataSetTables.Keys.CopyTo(keyarray,0);
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for (int i=0; i<keyarray.Length; i++) {
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string temp = (string) keyarray[i];
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if (lowcasevalue.Equals(temp.ToLower()))
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return IndexOf ((DataTableMapping)(dataSetTables[keyarray[i]]));
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}
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return -1;
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}
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}
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public void Insert (int index, object value)
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{
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mappings.Insert (index, value);
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sourceTables [((DataTableMapping) value).SourceTable] = value;
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dataSetTables [((DataTableMapping) value).DataSetTable] = value;
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}
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#if NET_2_0
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public void Insert (int index, DataTableMapping value)
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{
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mappings.Insert (index, value);
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sourceTables [value.SourceTable] = value;
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dataSetTables [value.DataSetTable] = value;
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}
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#endif
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ITableMapping ITableMappingCollection.Add (string sourceTableName, string dataSetTableName)
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{
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ITableMapping tableMapping = new DataTableMapping (sourceTableName, dataSetTableName);
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Add (tableMapping);
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return tableMapping;
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}
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ITableMapping ITableMappingCollection.GetByDataSetTable (string dataSetTableName)
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{
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return this [mappings.IndexOf (dataSetTables [dataSetTableName])];
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}
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public void Remove (object value)
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{
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if (!(value is DataTableMapping))
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throw new InvalidCastException ();
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int index = mappings.IndexOf (value);
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if (index < 0 || index >= mappings.Count)
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throw new ArgumentException("There is no such element in collection.");
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mappings.Remove ((DataTableMapping) value);
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}
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#if NET_2_0
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public void Remove (DataTableMapping value)
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{
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int index = mappings.IndexOf (value);
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if (index < 0 || index >= mappings.Count)
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throw new ArgumentException("There is no such element in collection.");
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mappings.Remove ((DataTableMapping) value);
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}
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#endif
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public void RemoveAt (int index)
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{
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if (index < 0 || index >= mappings.Count)
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throw new IndexOutOfRangeException("There is no element in collection.");
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mappings.RemoveAt (index);
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}
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public void RemoveAt (string sourceTable)
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{
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RemoveAt (mappings.IndexOf (sourceTables[sourceTable]));
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}
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#endregion // Methods
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}
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}
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