Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Data / System / Data / Common / SQLTypes / SqlXmlStorage.cs / 1 / SqlXmlStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.IO; using System.Xml.Serialization; using System.Data.SqlTypes; using System.Diagnostics; using System.Text; using System.Collections; internal sealed class SqlXmlStorage : DataStorage { private SqlXml[] values; public SqlXmlStorage(DataColumn column) : base(column, typeof(SqlXml), SqlXml.Null, SqlXml.Null) { } override public Object Aggregate(int[] records, AggregateType kind) { try { switch (kind) { case AggregateType.First: if (records.Length > 0) { return values[records[0]]; } return null;// no data => null case AggregateType.Count: int count = 0; for (int i = 0; i < records.Length; i++) { if (!IsNull(records[i])) count++; } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(SqlXml)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { //return values[recordNo1].CompareTo(values[recordNo2]); return 0; } override public int CompareValueTo(int recordNo, Object value) { // SqlXml valueNo2 = ((value == null)||(value == DBNull.Value))? SqlXml.Null : (SqlXml)value; // return values[recordNo].CompareTo(valueNo2); return 0; } override public void Copy(int recordNo1, int recordNo2) { values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { return values[record]; } override public bool IsNull(int record) { return (values[record].IsNull); } override public void Set(int record, Object value) { if ((value == DBNull.Value) || (value == null)){ values[record] = SqlXml.Null; } else { values[record] = (SqlXml)value; } } override public void SetCapacity(int capacity) { SqlXml[] newValues = new SqlXml[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { XmlTextReader reader = new XmlTextReader(s, XmlNodeType.Element, null) ; return (new SqlXml(reader)); /* SqlXml newValue = new SqlXml(); StringReader strReader = new StringReader(s); XmlTextReader xmlTextReader = new XmlTextReader(strReader); ((IXmlSerializable)newValue).ReadXml(xmlTextReader); xmlTextReader.Close(); return newValue; */ } override public string ConvertObjectToXml(object value) { SqlXml reader = (SqlXml) value; if (reader.IsNull) return ADP.StrEmpty; else return reader.Value; // SqlXml.Value returns string } override protected object GetEmptyStorage(int recordCount) { return new SqlXml[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlXml[] typedStore = (SqlXml[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlXml[]) store; //SetNullStorage(nullbits); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.IO; using System.Xml.Serialization; using System.Data.SqlTypes; using System.Diagnostics; using System.Text; using System.Collections; internal sealed class SqlXmlStorage : DataStorage { private SqlXml[] values; public SqlXmlStorage(DataColumn column) : base(column, typeof(SqlXml), SqlXml.Null, SqlXml.Null) { } override public Object Aggregate(int[] records, AggregateType kind) { try { switch (kind) { case AggregateType.First: if (records.Length > 0) { return values[records[0]]; } return null;// no data => null case AggregateType.Count: int count = 0; for (int i = 0; i < records.Length; i++) { if (!IsNull(records[i])) count++; } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(SqlXml)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { //return values[recordNo1].CompareTo(values[recordNo2]); return 0; } override public int CompareValueTo(int recordNo, Object value) { // SqlXml valueNo2 = ((value == null)||(value == DBNull.Value))? SqlXml.Null : (SqlXml)value; // return values[recordNo].CompareTo(valueNo2); return 0; } override public void Copy(int recordNo1, int recordNo2) { values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { return values[record]; } override public bool IsNull(int record) { return (values[record].IsNull); } override public void Set(int record, Object value) { if ((value == DBNull.Value) || (value == null)){ values[record] = SqlXml.Null; } else { values[record] = (SqlXml)value; } } override public void SetCapacity(int capacity) { SqlXml[] newValues = new SqlXml[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { XmlTextReader reader = new XmlTextReader(s, XmlNodeType.Element, null) ; return (new SqlXml(reader)); /* SqlXml newValue = new SqlXml(); StringReader strReader = new StringReader(s); XmlTextReader xmlTextReader = new XmlTextReader(strReader); ((IXmlSerializable)newValue).ReadXml(xmlTextReader); xmlTextReader.Close(); return newValue; */ } override public string ConvertObjectToXml(object value) { SqlXml reader = (SqlXml) value; if (reader.IsNull) return ADP.StrEmpty; else return reader.Value; // SqlXml.Value returns string } override protected object GetEmptyStorage(int recordCount) { return new SqlXml[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlXml[] typedStore = (SqlXml[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlXml[]) store; //SetNullStorage(nullbits); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ExpanderAutomationPeer.cs
- SHA1CryptoServiceProvider.cs
- RpcCryptoRequest.cs
- PanelStyle.cs
- ClockGroup.cs
- KeyValueConfigurationElement.cs
- NameNode.cs
- XmlBoundElement.cs
- DataBindingHandlerAttribute.cs
- validation.cs
- HtmlUtf8RawTextWriter.cs
- Types.cs
- ByteConverter.cs
- FixUpCollection.cs
- ControlPaint.cs
- TagNameToTypeMapper.cs
- FileChangesMonitor.cs
- SvcMapFileLoader.cs
- Span.cs
- MenuItemStyleCollectionEditor.cs
- bindurihelper.cs
- CodeNamespaceImportCollection.cs
- ControlType.cs
- PropertyValue.cs
- ProxyFragment.cs
- XmlWhitespace.cs
- ExceptionHandlerDesigner.cs
- DataServices.cs
- HtmlInputImage.cs
- SchemaSetCompiler.cs
- GenericIdentity.cs
- DebuggerService.cs
- PublisherMembershipCondition.cs
- URIFormatException.cs
- sortedlist.cs
- LinkTarget.cs
- JsonReader.cs
- DataShape.cs
- TextEditorThreadLocalStore.cs
- FontClient.cs
- FormsAuthenticationUserCollection.cs
- ExceptionHandlerDesigner.cs
- CaseCqlBlock.cs
- RectangleGeometry.cs
- SafeEventLogReadHandle.cs
- PanningMessageFilter.cs
- FlowDocumentPaginator.cs
- DataControlFieldCollection.cs
- WindowAutomationPeer.cs
- EventRouteFactory.cs
- WorkflowPageSetupDialog.cs
- ProxyGenerationError.cs
- RegexTree.cs
- DataSetMappper.cs
- FontStretches.cs
- HeaderCollection.cs
- ObfuscationAttribute.cs
- ListViewItemMouseHoverEvent.cs
- MultiTrigger.cs
- ControllableStoryboardAction.cs
- DataGridViewTopRowAccessibleObject.cs
- ObjectDataSource.cs
- SplitterCancelEvent.cs
- FileSystemWatcher.cs
- _OSSOCK.cs
- filewebresponse.cs
- Grant.cs
- XPathItem.cs
- RSAPKCS1KeyExchangeFormatter.cs
- ColumnHeaderCollectionEditor.cs
- PanningMessageFilter.cs
- QueryOptionExpression.cs
- Timer.cs
- ShapingWorkspace.cs
- Walker.cs
- StateWorkerRequest.cs
- FormViewInsertEventArgs.cs
- KeyInstance.cs
- RelationshipManager.cs
- Interfaces.cs
- CalendarSelectionChangedEventArgs.cs
- HMACSHA256.cs
- TryCatchDesigner.xaml.cs
- CodeDirectionExpression.cs
- ManagedWndProcTracker.cs
- SelectionUIService.cs
- IERequestCache.cs
- DebugHandleTracker.cs
- ObjectSecurityT.cs
- LazyTextWriterCreator.cs
- WebPartEventArgs.cs
- BinHexEncoder.cs
- PropertyStore.cs
- ComplexPropertyEntry.cs
- SequentialUshortCollection.cs
- UpdateRecord.cs
- EntryWrittenEventArgs.cs
- AdornerPresentationContext.cs
- PersonalizationState.cs
- DataBindingExpressionBuilder.cs