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 / SQLGuidStorage.cs / 1 / SQLGuidStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.Data.SqlTypes; using System.Diagnostics; using System.Globalization; using System.IO; using System.Xml.Serialization; using System.Collections; internal sealed class SqlGuidStorage : DataStorage { private SqlGuid[] values; public SqlGuidStorage(DataColumn column) : base(column, typeof(SqlGuid), SqlGuid.Null, SqlGuid.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; 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(SqlGuid)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { return values[recordNo1].CompareTo(values[recordNo2]); } override public int CompareValueTo(int recordNo, Object value) { return values[recordNo].CompareTo((SqlGuid)value); } override public object ConvertValue(object value) { if (null != value) { return SqlConvert.ConvertToSqlGuid(value); } return NullValue; } 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) { values[record] = SqlConvert.ConvertToSqlGuid(value); } override public void SetCapacity(int capacity) { SqlGuid[] newValues = new SqlGuid[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { SqlGuid newValue = new SqlGuid(); 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 ((SqlGuid)tmp); } override public string ConvertObjectToXml(object value) { Debug.Assert(!DataStorage.IsObjectNull(value), "we shouldn't have null here"); Debug.Assert((value.GetType() == typeof(SqlGuid)), "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 SqlGuid[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlGuid[] typedStore = (SqlGuid[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlGuid[]) 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.Data.SqlTypes; using System.Diagnostics; using System.Globalization; using System.IO; using System.Xml.Serialization; using System.Collections; internal sealed class SqlGuidStorage : DataStorage { private SqlGuid[] values; public SqlGuidStorage(DataColumn column) : base(column, typeof(SqlGuid), SqlGuid.Null, SqlGuid.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; 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(SqlGuid)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { return values[recordNo1].CompareTo(values[recordNo2]); } override public int CompareValueTo(int recordNo, Object value) { return values[recordNo].CompareTo((SqlGuid)value); } override public object ConvertValue(object value) { if (null != value) { return SqlConvert.ConvertToSqlGuid(value); } return NullValue; } 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) { values[record] = SqlConvert.ConvertToSqlGuid(value); } override public void SetCapacity(int capacity) { SqlGuid[] newValues = new SqlGuid[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { SqlGuid newValue = new SqlGuid(); 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 ((SqlGuid)tmp); } override public string ConvertObjectToXml(object value) { Debug.Assert(!DataStorage.IsObjectNull(value), "we shouldn't have null here"); Debug.Assert((value.GetType() == typeof(SqlGuid)), "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 SqlGuid[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlGuid[] typedStore = (SqlGuid[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlGuid[]) 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
- OLEDB_Enum.cs
- PropertyChangeTracker.cs
- UriScheme.cs
- RelationshipConstraintValidator.cs
- WindowsFormsHelpers.cs
- DbParameterHelper.cs
- ScaleTransform.cs
- Run.cs
- SqlUdtInfo.cs
- TimeSpanFormat.cs
- InsufficientMemoryException.cs
- DataGridViewRowsRemovedEventArgs.cs
- DataGridViewButtonCell.cs
- CaretElement.cs
- DataRelation.cs
- WebDisplayNameAttribute.cs
- ToolStripKeyboardHandlingService.cs
- AbandonedMutexException.cs
- XD.cs
- TaskScheduler.cs
- XmlSchemaSet.cs
- FlowDocumentScrollViewer.cs
- FileLogRecordHeader.cs
- PrincipalPermission.cs
- SoapSchemaImporter.cs
- ErrorHandlerFaultInfo.cs
- ViewValidator.cs
- OpenFileDialog.cs
- OleDbError.cs
- _SslStream.cs
- PropertyGridView.cs
- ExtenderHelpers.cs
- HwndHostAutomationPeer.cs
- _ProxyChain.cs
- XPathScanner.cs
- DictionaryBase.cs
- XmlNavigatorStack.cs
- Font.cs
- SetStateDesigner.cs
- ExpressionDumper.cs
- WorkflowClientDeliverMessageWrapper.cs
- SrgsElementFactory.cs
- ColorMap.cs
- HtmlShim.cs
- wmiprovider.cs
- WorkflowDesigner.cs
- XhtmlConformanceSection.cs
- RuntimeIdentifierPropertyAttribute.cs
- COM2PropertyPageUITypeConverter.cs
- DateTimeFormatInfoScanner.cs
- HtmlInputCheckBox.cs
- ChangePasswordDesigner.cs
- DiscoveryEndpointValidator.cs
- DataControlFieldCell.cs
- TypeExtension.cs
- QuaternionRotation3D.cs
- FloaterParagraph.cs
- HostingEnvironmentSection.cs
- SqlErrorCollection.cs
- TextTrailingWordEllipsis.cs
- RuntimeConfigurationRecord.cs
- ObjectStateEntryDbDataRecord.cs
- PerformanceCounterPermissionEntry.cs
- ObjectDataSourceView.cs
- StatusBarPanel.cs
- HttpMethodConstraint.cs
- SafePointer.cs
- EarlyBoundInfo.cs
- BitmapSource.cs
- KeyboardDevice.cs
- SafeFileMappingHandle.cs
- IsolatedStorageFile.cs
- TileBrush.cs
- StylusShape.cs
- InvalidDataContractException.cs
- ActivityStatusChangeEventArgs.cs
- CellIdBoolean.cs
- CodeGen.cs
- HostingEnvironmentException.cs
- EntityProxyFactory.cs
- If.cs
- BaseCodeDomTreeGenerator.cs
- SignedXml.cs
- ChannelDispatcherCollection.cs
- WmiEventSink.cs
- NamedServiceModelExtensionCollectionElement.cs
- EndpointBehaviorElement.cs
- TextElementCollectionHelper.cs
- TableLayoutCellPaintEventArgs.cs
- SmiConnection.cs
- AuthenticationService.cs
- DataControlPagerLinkButton.cs
- CustomErrorCollection.cs
- ChildTable.cs
- COM2IDispatchConverter.cs
- SHA384Managed.cs
- ContainerControlDesigner.cs
- IncrementalCompileAnalyzer.cs
- RuntimeWrappedException.cs
- UpdatableWrapper.cs