Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- SqlFormatter.cs
- Int64KeyFrameCollection.cs
- IIS7ConfigurationLoader.cs
- Propagator.JoinPropagator.cs
- DataObject.cs
- Point3DValueSerializer.cs
- WebPartZone.cs
- EventWaitHandleSecurity.cs
- ValidatingReaderNodeData.cs
- ExternalCalls.cs
- ProviderConnectionPointCollection.cs
- MSAANativeProvider.cs
- Native.cs
- TransactionTraceIdentifier.cs
- XmlHierarchyData.cs
- CodeMemberProperty.cs
- Normalization.cs
- DateTimeFormatInfoScanner.cs
- PriorityItem.cs
- NavigationExpr.cs
- WS2007FederationHttpBinding.cs
- GridItemPatternIdentifiers.cs
- GZipUtils.cs
- MaterialGroup.cs
- arclist.cs
- TextTreeInsertElementUndoUnit.cs
- MemberNameValidator.cs
- GraphicsState.cs
- ProcessModelInfo.cs
- SafeNativeMethodsCLR.cs
- WebPartZoneBase.cs
- DataConnectionHelper.cs
- BrowserInteropHelper.cs
- BufferedStream2.cs
- StateRuntime.cs
- SourceFileBuildProvider.cs
- dtdvalidator.cs
- Pens.cs
- ValidationRuleCollection.cs
- CommandEventArgs.cs
- DBProviderConfigurationHandler.cs
- SQLDouble.cs
- Parsers.cs
- HandleExceptionArgs.cs
- CodeChecksumPragma.cs
- XNameConverter.cs
- DtrList.cs
- TdsParserStaticMethods.cs
- LockCookie.cs
- SectionXmlInfo.cs
- SchemaTypeEmitter.cs
- VectorKeyFrameCollection.cs
- EntryPointNotFoundException.cs
- DataGridViewCellStyleConverter.cs
- AppDomainProtocolHandler.cs
- DbConnectionPoolCounters.cs
- SqlDataSource.cs
- DataGridDetailsPresenterAutomationPeer.cs
- RegistryDataKey.cs
- ViewGenResults.cs
- ConfigurationSection.cs
- TreeNodeStyleCollection.cs
- AllMembershipCondition.cs
- AppDomain.cs
- XmlSchemaIdentityConstraint.cs
- FrameworkTemplate.cs
- ValueSerializer.cs
- Internal.cs
- StandardOleMarshalObject.cs
- webeventbuffer.cs
- Internal.cs
- ImageMapEventArgs.cs
- AutomationFocusChangedEventArgs.cs
- InputDevice.cs
- XmlDataCollection.cs
- securestring.cs
- SqlUDTStorage.cs
- CreateUserWizardDesigner.cs
- BindingCompleteEventArgs.cs
- smtppermission.cs
- ListBindableAttribute.cs
- RegularExpressionValidator.cs
- FloaterParaClient.cs
- UpdatePanelControlTrigger.cs
- BindingManagerDataErrorEventArgs.cs
- IPGlobalProperties.cs
- MethodRental.cs
- DataRelationPropertyDescriptor.cs
- StringFormat.cs
- RadialGradientBrush.cs
- UnaryNode.cs
- UseAttributeSetsAction.cs
- ReachVisualSerializer.cs
- DataColumnChangeEvent.cs
- LineServicesCallbacks.cs
- SqlGatherProducedAliases.cs
- HebrewCalendar.cs
- DataBoundControlHelper.cs
- LambdaExpression.cs
- RegisteredArrayDeclaration.cs