Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Common / internal / DbTypeMap.cs / 1305376 / DbTypeMap.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Text; using System.Data; using System.Data.Common; using System.Data.Common.CommandTrees; using System.Data.Metadata.Edm; using System.Text.RegularExpressions; using System.Diagnostics; namespace System.Data.Common.Internal { ////// Provides singleton model TypeUsages for each DbType that can be expressed using a supported EDM type and appropriate facet values. /// Used by EntityParameter.GetTypeUsage - if you add additional TypeUsage fields here, review the impact on that method. /// internal static class DbTypeMap { internal static readonly TypeUsage AnsiString = CreateType(PrimitiveTypeKind.String, new FacetValues { Unicode = false, FixedLength = false, MaxLength = (int?)null }); internal static readonly TypeUsage AnsiStringFixedLength = CreateType(PrimitiveTypeKind.String, new FacetValues { Unicode = false, FixedLength = true, MaxLength = (int?)null }); internal static readonly TypeUsage String = CreateType(PrimitiveTypeKind.String, new FacetValues { Unicode = true, FixedLength = false, MaxLength = (int?)null }); internal static readonly TypeUsage StringFixedLength = CreateType(PrimitiveTypeKind.String, new FacetValues { Unicode = true, FixedLength = true, MaxLength = (int?)null }); // SQLBUDT #514204 - EntityCommand: XML parameter size must be ignored /* XML parameters must not have a explicit size */ internal static readonly TypeUsage Xml = CreateType(PrimitiveTypeKind.String, new FacetValues { Unicode = true, FixedLength = false, MaxLength = (int?)null }); internal static readonly TypeUsage Binary = CreateType(PrimitiveTypeKind.Binary , new FacetValues { MaxLength = (int?)null }); internal static readonly TypeUsage Boolean = CreateType(PrimitiveTypeKind.Boolean); internal static readonly TypeUsage Byte = CreateType(PrimitiveTypeKind.Byte); internal static readonly TypeUsage DateTime = CreateType(PrimitiveTypeKind.DateTime); internal static readonly TypeUsage Date = CreateType(PrimitiveTypeKind.DateTime); internal static readonly TypeUsage DateTime2 = CreateType(PrimitiveTypeKind.DateTime, new FacetValues { Precision = (byte?)null }); internal static readonly TypeUsage Time = CreateType(PrimitiveTypeKind.Time, new FacetValues { Precision = (byte?)null }); internal static readonly TypeUsage DateTimeOffset = CreateType(PrimitiveTypeKind.DateTimeOffset, new FacetValues { Precision = (byte?)null }); // For decimal and money, in the case of precision == 0, we don't want any facets when picking the type so the // default type should be picked internal static readonly TypeUsage Decimal = CreateType(PrimitiveTypeKind.Decimal, new FacetValues { Precision = (byte?)null, Scale = (byte?)null }); // SQLBU 480928: Need to make currency a separate case once we enable money type internal static readonly TypeUsage Currency = CreateType(PrimitiveTypeKind.Decimal, new FacetValues { Precision = (byte?)null, Scale = (byte?)null }); internal static readonly TypeUsage Double = CreateType(PrimitiveTypeKind.Double); internal static readonly TypeUsage Guid = CreateType(PrimitiveTypeKind.Guid); internal static readonly TypeUsage Int16 = CreateType(PrimitiveTypeKind.Int16); internal static readonly TypeUsage Int32 = CreateType(PrimitiveTypeKind.Int32); internal static readonly TypeUsage Int64 = CreateType(PrimitiveTypeKind.Int64); internal static readonly TypeUsage Single = CreateType(PrimitiveTypeKind.Single); internal static readonly TypeUsage SByte = CreateType(PrimitiveTypeKind.SByte); internal static bool TryGetModelTypeUsage(DbType dbType, out TypeUsage modelType) { switch(dbType) { case DbType.AnsiString: modelType = DbTypeMap.AnsiString; break; case DbType.AnsiStringFixedLength: modelType = DbTypeMap.AnsiStringFixedLength; break; case DbType.String: modelType = DbTypeMap.String; break; case DbType.StringFixedLength: modelType = DbTypeMap.StringFixedLength; break; case DbType.Xml: modelType = DbTypeMap.Xml; break; case DbType.Binary: modelType = DbTypeMap.Binary; break; case DbType.Boolean: modelType = DbTypeMap.Boolean; break; case DbType.Byte: modelType = DbTypeMap.Byte; break; case DbType.DateTime: modelType = DbTypeMap.DateTime; break; case DbType.Date: modelType = DbTypeMap.Date; break; case DbType.DateTime2: modelType = DbTypeMap.DateTime2; break; case DbType.Time: modelType = DbTypeMap.Time; break; case DbType.DateTimeOffset: modelType = DbTypeMap.DateTimeOffset; break; case DbType.Decimal: modelType = DbTypeMap.Decimal; break; case DbType.Currency: modelType = DbTypeMap.Currency; break; case DbType.Double: modelType = DbTypeMap.Double; break; case DbType.Guid: modelType = DbTypeMap.Guid; break; case DbType.Int16: modelType = DbTypeMap.Int16; break; case DbType.Int32: modelType = DbTypeMap.Int32; break; case DbType.Int64: modelType = DbTypeMap.Int64; break; case DbType.Single: modelType = DbTypeMap.Single; break; case DbType.SByte: modelType = DbTypeMap.SByte; break; case DbType.VarNumeric: modelType = null; break; default: modelType = null; break; } return (modelType != null); } private static TypeUsage CreateType(PrimitiveTypeKind type) { return CreateType(type, new FacetValues()); } private static TypeUsage CreateType(PrimitiveTypeKind type, FacetValues facets) { PrimitiveType primitiveType = EdmProviderManifest.Instance.GetPrimitiveType(type); TypeUsage typeUsage = TypeUsage.Create(primitiveType, facets); return typeUsage; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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