Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Common / BigIntegerStorage.cs / 1305376 / BigIntegerStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.Numerics; using System.Data.SqlTypes; using System.Collections; internal sealed class BigIntegerStorage : DataStorage { private BigInteger[] values; internal BigIntegerStorage(DataColumn column) : base(column, typeof(BigInteger), BigInteger.Zero) { } override public Object Aggregate(int[] records, AggregateType kind) { throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { BigInteger valueNo1 = values[recordNo1]; BigInteger valueNo2 = values[recordNo2]; if (valueNo1.IsZero || valueNo2.IsZero) { int bitCheck = CompareBits(recordNo1, recordNo2); if (0 != bitCheck) { return bitCheck; } } return valueNo1.CompareTo(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); } BigInteger valueNo1 = values[recordNo]; if (valueNo1.IsZero && !HasValue(recordNo)) { return -1; } return valueNo1.CompareTo((BigInteger)value); } // supported implict casts internal static BigInteger ConvertToBigInteger(object value, IFormatProvider formatProvider) { if (value.GetType() == typeof(BigInteger)) { return (BigInteger)value; } else if (value.GetType() == typeof(String)) { return BigInteger.Parse((string)value, formatProvider); } else if (value.GetType() == typeof(Int64)) { return (BigInteger)(Int64)value; } else if (value.GetType() == typeof(Int32)) { return (BigInteger)(Int32)value; } else if (value.GetType() == typeof(Int16)) { return (BigInteger)(Int16)value; } else if (value.GetType() == typeof(SByte)) { return (BigInteger)(SByte)value; } else if (value.GetType() == typeof(UInt64)) { return (BigInteger)(UInt64)value; } else if (value.GetType() == typeof(UInt32)) { return (BigInteger)(UInt32)value; } else if (value.GetType() == typeof(UInt16)) { return (BigInteger)(UInt16)value; } else if (value.GetType() == typeof(Byte)) { return (BigInteger)(Byte)value; } else { throw ExceptionBuilder.ConvertFailed(value.GetType(), typeof(System.Numerics.BigInteger)); } } internal static object ConvertFromBigInteger(BigInteger value, Type type, IFormatProvider formatProvider) { if (type == typeof(string)) { return value.ToString("D", formatProvider); } else if (type == typeof(SByte)) { return checked((SByte)value); } else if (type == typeof(Int16)) { return checked((Int16)value); } else if (type == typeof(Int32)) { return checked((Int32)value); } else if (type == typeof(Int64)) { return checked((Int64)value); } else if (type == typeof(Byte)) { return checked((Byte)value); } else if (type == typeof(UInt16)) { return checked((UInt16)value); } else if (type == typeof(UInt32)) { return checked((UInt32)value); } else if (type == typeof(UInt64)) { return checked((UInt64)value); } else if (type == typeof(Single)) { return checked((Single)value); } else if (type == typeof(Double)) { return checked((Double)value); } else if (type == typeof(Decimal)) { return checked((Decimal)value); } else if (type == typeof(System.Numerics.BigInteger)) { return value; } else { throw ExceptionBuilder.ConvertFailed(typeof(System.Numerics.BigInteger), type); } } public override object ConvertValue(object value) { if (NullValue != value) { if (null != value) { value = ConvertToBigInteger(value, this.FormatProvider); } 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) { BigInteger value = values[record]; if (!value.IsZero) { return value; } return GetBits(record); } override public void Set(int record, Object value) { System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { values[record] = BigInteger.Zero; SetNullBit(record, true); } else { values[record] = ConvertToBigInteger(value, this.FormatProvider); SetNullBit(record, false); } } override public void SetCapacity(int capacity) { BigInteger[] newValues = new BigInteger[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 BigInteger.Parse(s, System.Globalization.CultureInfo.InvariantCulture); } override public string ConvertObjectToXml(object value) { return ((BigInteger)value).ToString("D", System.Globalization.CultureInfo.InvariantCulture); } override protected object GetEmptyStorage(int recordCount) { return new BigInteger[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { BigInteger[] typedStore = (BigInteger[])store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, !HasValue(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (BigInteger[])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.Numerics; using System.Data.SqlTypes; using System.Collections; internal sealed class BigIntegerStorage : DataStorage { private BigInteger[] values; internal BigIntegerStorage(DataColumn column) : base(column, typeof(BigInteger), BigInteger.Zero) { } override public Object Aggregate(int[] records, AggregateType kind) { throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { BigInteger valueNo1 = values[recordNo1]; BigInteger valueNo2 = values[recordNo2]; if (valueNo1.IsZero || valueNo2.IsZero) { int bitCheck = CompareBits(recordNo1, recordNo2); if (0 != bitCheck) { return bitCheck; } } return valueNo1.CompareTo(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); } BigInteger valueNo1 = values[recordNo]; if (valueNo1.IsZero && !HasValue(recordNo)) { return -1; } return valueNo1.CompareTo((BigInteger)value); } // supported implict casts internal static BigInteger ConvertToBigInteger(object value, IFormatProvider formatProvider) { if (value.GetType() == typeof(BigInteger)) { return (BigInteger)value; } else if (value.GetType() == typeof(String)) { return BigInteger.Parse((string)value, formatProvider); } else if (value.GetType() == typeof(Int64)) { return (BigInteger)(Int64)value; } else if (value.GetType() == typeof(Int32)) { return (BigInteger)(Int32)value; } else if (value.GetType() == typeof(Int16)) { return (BigInteger)(Int16)value; } else if (value.GetType() == typeof(SByte)) { return (BigInteger)(SByte)value; } else if (value.GetType() == typeof(UInt64)) { return (BigInteger)(UInt64)value; } else if (value.GetType() == typeof(UInt32)) { return (BigInteger)(UInt32)value; } else if (value.GetType() == typeof(UInt16)) { return (BigInteger)(UInt16)value; } else if (value.GetType() == typeof(Byte)) { return (BigInteger)(Byte)value; } else { throw ExceptionBuilder.ConvertFailed(value.GetType(), typeof(System.Numerics.BigInteger)); } } internal static object ConvertFromBigInteger(BigInteger value, Type type, IFormatProvider formatProvider) { if (type == typeof(string)) { return value.ToString("D", formatProvider); } else if (type == typeof(SByte)) { return checked((SByte)value); } else if (type == typeof(Int16)) { return checked((Int16)value); } else if (type == typeof(Int32)) { return checked((Int32)value); } else if (type == typeof(Int64)) { return checked((Int64)value); } else if (type == typeof(Byte)) { return checked((Byte)value); } else if (type == typeof(UInt16)) { return checked((UInt16)value); } else if (type == typeof(UInt32)) { return checked((UInt32)value); } else if (type == typeof(UInt64)) { return checked((UInt64)value); } else if (type == typeof(Single)) { return checked((Single)value); } else if (type == typeof(Double)) { return checked((Double)value); } else if (type == typeof(Decimal)) { return checked((Decimal)value); } else if (type == typeof(System.Numerics.BigInteger)) { return value; } else { throw ExceptionBuilder.ConvertFailed(typeof(System.Numerics.BigInteger), type); } } public override object ConvertValue(object value) { if (NullValue != value) { if (null != value) { value = ConvertToBigInteger(value, this.FormatProvider); } 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) { BigInteger value = values[record]; if (!value.IsZero) { return value; } return GetBits(record); } override public void Set(int record, Object value) { System.Diagnostics.Debug.Assert(null != value, "null value"); if (NullValue == value) { values[record] = BigInteger.Zero; SetNullBit(record, true); } else { values[record] = ConvertToBigInteger(value, this.FormatProvider); SetNullBit(record, false); } } override public void SetCapacity(int capacity) { BigInteger[] newValues = new BigInteger[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 BigInteger.Parse(s, System.Globalization.CultureInfo.InvariantCulture); } override public string ConvertObjectToXml(object value) { return ((BigInteger)value).ToString("D", System.Globalization.CultureInfo.InvariantCulture); } override protected object GetEmptyStorage(int recordCount) { return new BigInteger[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { BigInteger[] typedStore = (BigInteger[])store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, !HasValue(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (BigInteger[])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
- RijndaelManagedTransform.cs
- PermissionRequestEvidence.cs
- Timer.cs
- CompiledELinqQueryState.cs
- SendingRequestEventArgs.cs
- WpfXamlMember.cs
- ThreadSafeList.cs
- InputEventArgs.cs
- followingquery.cs
- WebPartHeaderCloseVerb.cs
- FontEditor.cs
- Rule.cs
- TextElementEnumerator.cs
- Vector3D.cs
- VSDExceptions.cs
- OdbcInfoMessageEvent.cs
- ColorComboBox.cs
- EntityStoreSchemaGenerator.cs
- TraceSection.cs
- SoapCodeExporter.cs
- ParseNumbers.cs
- TerminatorSinks.cs
- ExpressionPrefixAttribute.cs
- ItemChangedEventArgs.cs
- ActivationServices.cs
- AssemblyAssociatedContentFileAttribute.cs
- XmlDataSource.cs
- HttpAsyncResult.cs
- XmlSchemaSubstitutionGroup.cs
- TextDocumentView.cs
- NetworkInformationException.cs
- CommandHelpers.cs
- FunctionQuery.cs
- CheckBoxField.cs
- DodSequenceMerge.cs
- BrowsableAttribute.cs
- SchemaTableOptionalColumn.cs
- DesignerActionUIService.cs
- ValueExpressions.cs
- GeneralTransformCollection.cs
- CollectionViewGroupInternal.cs
- HandleScope.cs
- Compiler.cs
- Guid.cs
- StyleBamlRecordReader.cs
- MLangCodePageEncoding.cs
- ObjectIDGenerator.cs
- XmlILIndex.cs
- OutputCacheProfile.cs
- WindowsListViewItemCheckBox.cs
- ProfilePropertyNameValidator.cs
- ConfigurationManagerHelper.cs
- StatementContext.cs
- WindowsRebar.cs
- BamlLocalizer.cs
- DataListCommandEventArgs.cs
- OleDbCommand.cs
- HierarchicalDataTemplate.cs
- WeakReference.cs
- EntityModelSchemaGenerator.cs
- AppDomainShutdownMonitor.cs
- ClientFormsAuthenticationCredentials.cs
- ModelItemExtensions.cs
- NameValueConfigurationCollection.cs
- IconBitmapDecoder.cs
- CancellationHandler.cs
- UInt64.cs
- Accessible.cs
- DataGridCaption.cs
- WebServiceErrorEvent.cs
- WhitespaceRuleLookup.cs
- ValidationError.cs
- ToolboxItemAttribute.cs
- SupportsEventValidationAttribute.cs
- XmlEntity.cs
- SineEase.cs
- COM2Properties.cs
- InvokeMethodActivityDesigner.cs
- FragmentQuery.cs
- ObjectSet.cs
- SafeHandle.cs
- ClientTarget.cs
- SrgsElement.cs
- WindowsComboBox.cs
- Converter.cs
- RectangleGeometry.cs
- OdbcDataReader.cs
- PrinterUnitConvert.cs
- Span.cs
- DockEditor.cs
- GridViewItemAutomationPeer.cs
- SafeNativeMethods.cs
- WebRequestModuleElement.cs
- HwndSource.cs
- XmlDigitalSignatureProcessor.cs
- TypefaceMap.cs
- HtmlInputRadioButton.cs
- ResourceReferenceKeyNotFoundException.cs
- ObjectItemAssemblyLoader.cs
- serverconfig.cs