Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Data / System / Data / Common / DateTimeOffsetStorage.cs / 1 / DateTimeOffsetStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.Data.SqlTypes; using System.Collections; internal sealed class DateTimeOffsetStorage : DataStorage { private static readonly DateTimeOffset defaultValue = DateTimeOffset.MinValue; private DateTimeOffset[] values; internal DateTimeOffsetStorage(DataColumn column) : base(column, typeof(DateTimeOffset), defaultValue) { } override public Object Aggregate(int[] records, AggregateType kind) { bool hasData = false; try { switch (kind) { case AggregateType.Min: DateTimeOffset min = DateTimeOffset.MaxValue; for (int i = 0; i < records.Length; i++) { int record = records[i]; if (HasValue(record)) { min=(DateTimeOffset.Compare(values[record],min) < 0) ? values[record] : min; hasData = true; } } if (hasData) { return min; } return NullValue; case AggregateType.Max: DateTimeOffset max = DateTimeOffset.MinValue; for (int i = 0; i < records.Length; i++) { int record = records[i]; if (HasValue(record)) { max=(DateTimeOffset.Compare(values[record],max) >= 0) ? values[record] : max; hasData = true; } } if (hasData) { return max; } return NullValue; 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 (HasValue(records[i])) { count++; } } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(DateTimeOffset)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { DateTimeOffset valueNo1 = values[recordNo1]; DateTimeOffset valueNo2 = values[recordNo2]; if (valueNo1 == defaultValue || valueNo2 == defaultValue) { int bitCheck = CompareBits(recordNo1, recordNo2); if (0 != bitCheck) { return bitCheck; } } return DateTimeOffset.Compare(valueNo1, valueNo2); } public override int CompareValueTo(int recordNo, object value) { System.Diagnostics.Debug.Assert(0 <= recordNo, "Invalid record"); System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { return (HasValue(recordNo) ? 1 : 0); } DateTimeOffset valueNo1 = values[recordNo]; if ((defaultValue == valueNo1) && !HasValue(recordNo)) { return -1; } return DateTimeOffset.Compare(valueNo1, (DateTimeOffset)value); } public override object ConvertValue(object value) { if (NullValue != value) { if (null != value) { value = ((DateTimeOffset)value); } else { value = NullValue; } } return value; } override public void Copy(int recordNo1, int recordNo2) { CopyBits(recordNo1, recordNo2); values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { DateTimeOffset value = values[record]; if ((value != defaultValue) || HasValue(record)) { return value; } return NullValue; } override public void Set(int record, Object value) { System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { values[record] = defaultValue; SetNullBit(record, true); } else { values[record] = (DateTimeOffset)value; SetNullBit(record, false); } } override public void SetCapacity(int capacity) { DateTimeOffset[] newValues = new DateTimeOffset[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; base.SetCapacity(capacity); } override public object ConvertXmlToObject(string s) { return XmlConvert.ToDateTimeOffset(s); } override public string ConvertObjectToXml(object value) { return XmlConvert.ToString((DateTimeOffset)value); } override protected object GetEmptyStorage(int recordCount) { return new DateTimeOffset[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { DateTimeOffset[] typedStore = (DateTimeOffset[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, !HasValue(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (DateTimeOffset[]) 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.Collections; internal sealed class DateTimeOffsetStorage : DataStorage { private static readonly DateTimeOffset defaultValue = DateTimeOffset.MinValue; private DateTimeOffset[] values; internal DateTimeOffsetStorage(DataColumn column) : base(column, typeof(DateTimeOffset), defaultValue) { } override public Object Aggregate(int[] records, AggregateType kind) { bool hasData = false; try { switch (kind) { case AggregateType.Min: DateTimeOffset min = DateTimeOffset.MaxValue; for (int i = 0; i < records.Length; i++) { int record = records[i]; if (HasValue(record)) { min=(DateTimeOffset.Compare(values[record],min) < 0) ? values[record] : min; hasData = true; } } if (hasData) { return min; } return NullValue; case AggregateType.Max: DateTimeOffset max = DateTimeOffset.MinValue; for (int i = 0; i < records.Length; i++) { int record = records[i]; if (HasValue(record)) { max=(DateTimeOffset.Compare(values[record],max) >= 0) ? values[record] : max; hasData = true; } } if (hasData) { return max; } return NullValue; 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 (HasValue(records[i])) { count++; } } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(DateTimeOffset)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { DateTimeOffset valueNo1 = values[recordNo1]; DateTimeOffset valueNo2 = values[recordNo2]; if (valueNo1 == defaultValue || valueNo2 == defaultValue) { int bitCheck = CompareBits(recordNo1, recordNo2); if (0 != bitCheck) { return bitCheck; } } return DateTimeOffset.Compare(valueNo1, valueNo2); } public override int CompareValueTo(int recordNo, object value) { System.Diagnostics.Debug.Assert(0 <= recordNo, "Invalid record"); System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { return (HasValue(recordNo) ? 1 : 0); } DateTimeOffset valueNo1 = values[recordNo]; if ((defaultValue == valueNo1) && !HasValue(recordNo)) { return -1; } return DateTimeOffset.Compare(valueNo1, (DateTimeOffset)value); } public override object ConvertValue(object value) { if (NullValue != value) { if (null != value) { value = ((DateTimeOffset)value); } else { value = NullValue; } } return value; } override public void Copy(int recordNo1, int recordNo2) { CopyBits(recordNo1, recordNo2); values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { DateTimeOffset value = values[record]; if ((value != defaultValue) || HasValue(record)) { return value; } return NullValue; } override public void Set(int record, Object value) { System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { values[record] = defaultValue; SetNullBit(record, true); } else { values[record] = (DateTimeOffset)value; SetNullBit(record, false); } } override public void SetCapacity(int capacity) { DateTimeOffset[] newValues = new DateTimeOffset[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; base.SetCapacity(capacity); } override public object ConvertXmlToObject(string s) { return XmlConvert.ToDateTimeOffset(s); } override public string ConvertObjectToXml(object value) { return XmlConvert.ToString((DateTimeOffset)value); } override protected object GetEmptyStorage(int recordCount) { return new DateTimeOffset[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { DateTimeOffset[] typedStore = (DateTimeOffset[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, !HasValue(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (DateTimeOffset[]) 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
- TextAutomationPeer.cs
- DataBoundControl.cs
- Guid.cs
- Size3D.cs
- RootProfilePropertySettingsCollection.cs
- BookmarkEventArgs.cs
- WebPartUserCapability.cs
- SiteMapPath.cs
- HtmlTableRow.cs
- ItemMap.cs
- Vector3DCollectionValueSerializer.cs
- PropertyEmitterBase.cs
- SizeIndependentAnimationStorage.cs
- ErrorWebPart.cs
- HtmlImage.cs
- BufferModeSettings.cs
- EmptyEnumerable.cs
- CombinedTcpChannel.cs
- PropertyKey.cs
- OdbcException.cs
- CodePrimitiveExpression.cs
- SerializationObjectManager.cs
- PropertyItemInternal.cs
- ComponentCollection.cs
- WhiteSpaceTrimStringConverter.cs
- SystemThemeKey.cs
- MimeWriter.cs
- XmlDataCollection.cs
- CodeChecksumPragma.cs
- VarRefManager.cs
- DataServiceQueryException.cs
- CommandConverter.cs
- DataGridViewColumnCollectionEditor.cs
- HashHelpers.cs
- SinglePageViewer.cs
- XmlTextReaderImplHelpers.cs
- DesignerValidatorAdapter.cs
- KeySpline.cs
- SmiXetterAccessMap.cs
- SrgsElementList.cs
- EventWaitHandle.cs
- MetadataPropertyvalue.cs
- SimpleHandlerFactory.cs
- CodeExporter.cs
- EventTask.cs
- GAC.cs
- DataColumnPropertyDescriptor.cs
- EntityDesignerDataSourceView.cs
- ImageMapEventArgs.cs
- LinkConverter.cs
- SafeNativeMethods.cs
- DataSourceControl.cs
- MouseBinding.cs
- TextureBrush.cs
- NameSpaceEvent.cs
- PrintPageEvent.cs
- MatrixAnimationUsingPath.cs
- XmlAnyElementAttributes.cs
- SqlErrorCollection.cs
- DataStorage.cs
- Visual3D.cs
- ExtensionMethods.cs
- ICollection.cs
- QueryConverter.cs
- ToolboxCategoryItems.cs
- ToolStripDropDownMenu.cs
- lengthconverter.cs
- WebPartEventArgs.cs
- Matrix.cs
- ClientReliableChannelBinder.cs
- PageWrapper.cs
- NavigationWindowAutomationPeer.cs
- PreviewKeyDownEventArgs.cs
- DoubleCollectionConverter.cs
- PropertyGroupDescription.cs
- SystemNetHelpers.cs
- QilStrConcat.cs
- SchemaImporter.cs
- TaiwanLunisolarCalendar.cs
- ConnectionOrientedTransportManager.cs
- XXXOnTypeBuilderInstantiation.cs
- JavaScriptObjectDeserializer.cs
- GridView.cs
- DefaultParameterValueAttribute.cs
- CheckedListBox.cs
- CssStyleCollection.cs
- ProxyWebPartConnectionCollection.cs
- TextLineBreak.cs
- DateTimeConstantAttribute.cs
- DtcInterfaces.cs
- sqlcontext.cs
- BinaryFormatterWriter.cs
- AbstractDataSvcMapFileLoader.cs
- FlowDocument.cs
- AttachmentCollection.cs
- InternalPermissions.cs
- WebAdminConfigurationHelper.cs
- MachineSettingsSection.cs
- Win32PrintDialog.cs
- Msec.cs