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 / SQLBytesStorage.cs / 1 / SQLBytesStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Collections; using System.Data.SqlClient; using System.Data.SqlTypes; using System.Diagnostics; using System.Globalization; using System.IO; using System.Xml; using System.Xml.Serialization; internal sealed class SqlBytesStorage : DataStorage { private SqlBytes[] values; public SqlBytesStorage(DataColumn column) : base(column, typeof(SqlBytes), SqlBytes.Null, SqlBytes.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(SqlBytes)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { return 0; } override public int CompareValueTo(int recordNo, Object value) { 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] = SqlBytes.Null; } else { values[record] = (SqlBytes)value; } } override public void SetCapacity(int capacity) { SqlBytes[] newValues = new SqlBytes[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { SqlBinary newValue = new SqlBinary(); string tempStr =string.Concat("", s, ""); // this is done since you can give fragmet to reader, bug 98767 StringReader strReader = new StringReader(tempStr); IXmlSerializable tmp = newValue; using (XmlTextReader xmlTextReader = new XmlTextReader(strReader)) { tmp.ReadXml(xmlTextReader); } return (new SqlBytes((SqlBinary)tmp)); } override public string ConvertObjectToXml(object value) { Debug.Assert(!DataStorage.IsObjectNull(value), "we shouldn't have null here"); Debug.Assert((value.GetType() == typeof(SqlBytes)), "wrong input type"); StringWriter strwriter = new StringWriter(FormatProvider); using (XmlTextWriter xmlTextWriter = new XmlTextWriter (strwriter)) { ((IXmlSerializable)value).WriteXml(xmlTextWriter); } return (strwriter.ToString ()); } override protected object GetEmptyStorage(int recordCount) { return new SqlBytes[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlBytes[] typedStore = (SqlBytes[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlBytes[]) 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.Collections; using System.Data.SqlClient; using System.Data.SqlTypes; using System.Diagnostics; using System.Globalization; using System.IO; using System.Xml; using System.Xml.Serialization; internal sealed class SqlBytesStorage : DataStorage { private SqlBytes[] values; public SqlBytesStorage(DataColumn column) : base(column, typeof(SqlBytes), SqlBytes.Null, SqlBytes.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(SqlBytes)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { return 0; } override public int CompareValueTo(int recordNo, Object value) { 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] = SqlBytes.Null; } else { values[record] = (SqlBytes)value; } } override public void SetCapacity(int capacity) { SqlBytes[] newValues = new SqlBytes[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { SqlBinary newValue = new SqlBinary(); string tempStr =string.Concat("", s, ""); // this is done since you can give fragmet to reader, bug 98767 StringReader strReader = new StringReader(tempStr); IXmlSerializable tmp = newValue; using (XmlTextReader xmlTextReader = new XmlTextReader(strReader)) { tmp.ReadXml(xmlTextReader); } return (new SqlBytes((SqlBinary)tmp)); } override public string ConvertObjectToXml(object value) { Debug.Assert(!DataStorage.IsObjectNull(value), "we shouldn't have null here"); Debug.Assert((value.GetType() == typeof(SqlBytes)), "wrong input type"); StringWriter strwriter = new StringWriter(FormatProvider); using (XmlTextWriter xmlTextWriter = new XmlTextWriter (strwriter)) { ((IXmlSerializable)value).WriteXml(xmlTextWriter); } return (strwriter.ToString ()); } override protected object GetEmptyStorage(int recordCount) { return new SqlBytes[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlBytes[] typedStore = (SqlBytes[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlBytes[]) 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
- Empty.cs
- TransformConverter.cs
- ConnectivityStatus.cs
- Section.cs
- EntityTransaction.cs
- FieldNameLookup.cs
- BookmarkManager.cs
- RepeaterItemEventArgs.cs
- RecognitionResult.cs
- GridViewDeletedEventArgs.cs
- FileUtil.cs
- DataGridViewDesigner.cs
- BindingContext.cs
- ModuleBuilderData.cs
- FaultContractInfo.cs
- ElementMarkupObject.cs
- Query.cs
- QuaternionAnimation.cs
- WebUtil.cs
- ScaleTransform.cs
- DesignerOptionService.cs
- ProtectedConfiguration.cs
- LineServices.cs
- ListViewAutomationPeer.cs
- DataGridViewCellConverter.cs
- ColumnWidthChangingEvent.cs
- LocationChangedEventArgs.cs
- Point4DConverter.cs
- AbstractDataSvcMapFileLoader.cs
- Matrix3DConverter.cs
- URI.cs
- TemplateParser.cs
- EventListenerClientSide.cs
- PromptStyle.cs
- CheckedListBox.cs
- StreamInfo.cs
- TypographyProperties.cs
- TrackingServices.cs
- SortDescription.cs
- FloaterParaClient.cs
- SecurityDescriptor.cs
- RtfToken.cs
- ContextMenuAutomationPeer.cs
- MenuAutoFormat.cs
- SqlProfileProvider.cs
- FixedSchema.cs
- HashMembershipCondition.cs
- VerificationAttribute.cs
- SmtpClient.cs
- securestring.cs
- OptimizedTemplateContent.cs
- TextParagraphView.cs
- Point4DConverter.cs
- DataGridViewAutoSizeModeEventArgs.cs
- StylusPointPropertyUnit.cs
- XmlSchemaObject.cs
- WebControl.cs
- MediaCommands.cs
- Matrix3DStack.cs
- DataGridCaption.cs
- CommandTreeTypeHelper.cs
- SupportingTokenProviderSpecification.cs
- ChtmlMobileTextWriter.cs
- ScriptingJsonSerializationSection.cs
- ApplicationSettingsBase.cs
- FileUtil.cs
- TempEnvironment.cs
- WebBrowser.cs
- StringFunctions.cs
- ToolStripPanelRenderEventArgs.cs
- ProtocolsSection.cs
- FlowDocumentView.cs
- Baml6Assembly.cs
- RefType.cs
- TypeSystemHelpers.cs
- BaseCodePageEncoding.cs
- WebPartUserCapability.cs
- BulletedListEventArgs.cs
- xdrvalidator.cs
- SQLRoleProvider.cs
- HttpDigestClientCredential.cs
- Bidi.cs
- UnsafeNetInfoNativeMethods.cs
- CodeTypeDeclarationCollection.cs
- TraceContextRecord.cs
- Int32AnimationBase.cs
- IntranetCredentialPolicy.cs
- MatrixConverter.cs
- TypeInformation.cs
- HttpFileCollectionBase.cs
- CodeNamespaceImportCollection.cs
- StrokeDescriptor.cs
- RunWorkerCompletedEventArgs.cs
- RowToFieldTransformer.cs
- LayoutDump.cs
- EndpointNameMessageFilter.cs
- SqlNotificationRequest.cs
- PrimaryKeyTypeConverter.cs
- SourceItem.cs
- InstanceStore.cs