Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / TypeUsageBuilder.cs / 1 / TypeUsageBuilder.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Data.Common;
using System.Data.Metadata.Edm;
using System.Diagnostics;
using System.Xml;
using System.Data.Entity;
using System.Linq;
namespace System.Data.EntityModel.SchemaObjectModel
{
///
/// Supports the construction of a type usage instance for a Scalar/Primitive
/// Type.
///
internal class TypeUsageBuilder
{
#region Fields
private readonly Dictionary _facetValues;
///
/// Element generating the TypeUsage (e.g. StructuredProperty)
///
private readonly SchemaElement _element;
private string _default = null;
private object _defaultObject = null;
private bool? _nullable;
private TypeUsage _typeUsage;
private bool _hasUserDefinedFacets;
#endregion
#region Constructors
internal TypeUsageBuilder(SchemaElement element)
{
_element = element;
_facetValues = new Dictionary();
}
#endregion
#region Properties
///
/// Gets the TypeUsage generated by this builder.
///
internal TypeUsage TypeUsage
{
get
{
return _typeUsage;
}
}
///
/// Gets the nullability of the type usage.
///
internal bool Nullable
{
get
{
if (_nullable.HasValue)
{
return _nullable.Value;
}
return true;
}
}
///
/// Gets default.
///
internal string Default
{
get
{
return _default;
}
}
///
/// Gets parsed default value.
///
internal object DefaultAsObject
{
get
{
return _defaultObject;
}
}
///
/// Indicates whether this usage has any user defined facets.
///
internal bool HasUserDefinedFacets
{
get
{
return _hasUserDefinedFacets;
}
}
#endregion
#region Methods
///
/// effects: adds errors to _element if there are any; creates a TypeUsage instance using the
/// facet values aggregated by this builder and the given scalar type
///
/// Scalar type for the type usage
internal void ValidateAndSetTypeUsage(ScalarType scalar, bool complainOnMissingFacet)
{
Bid.DASSERT(_element != null);
Bid.DASSERT(scalar != null);
bool noErrors = true;
Dictionary defaultFacets = scalar.Type.GetAssociatedFacetDescriptions().ToDictionary(f => f.FacetName, f => f.DefaultValueFacet);
Dictionary calculatedFacets = new Dictionary();
foreach (Facet defaultFacet in defaultFacets.Values)
{
object value;
if (_facetValues.TryGetValue(defaultFacet.Name, out value))
{
// If the facet is a constant facet, then the facet must not be specified in the schema
if (defaultFacet.Description.IsConstant)
{
_element.AddError(ErrorCode.ConstantFacetSpecifiedInSchema,
EdmSchemaErrorSeverity.Error,
_element,
System.Data.Entity.Strings.ConstantFacetSpecifiedInSchema(defaultFacet.Name, scalar.Type.Name));
noErrors = false;
}
else
{
calculatedFacets.Add(defaultFacet.Name, Facet.Create(defaultFacet.Description, value));
}
// remove the used facet
// so we know which ones we need to add below
_facetValues.Remove(defaultFacet.Name);
}
else if (complainOnMissingFacet && defaultFacet.Description.IsRequired)
{
// Throw missing facet exception
_element.AddError(ErrorCode.RequiredFacetMissing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.RequiredFacetMissing(
defaultFacet.Name,
scalar.Type.Name));
noErrors = false;
}
else
{
calculatedFacets.Add(defaultFacet.Name, defaultFacet);
}
}
foreach (KeyValuePair value in _facetValues)
{
if (value.Key == EdmProviderManifest.StoreGeneratedPatternFacetName)
{
Facet facet = Facet.Create(Converter.StoreGeneratedPatternFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else if (value.Key == EdmProviderManifest.ConcurrencyModeFacetName)
{
Facet facet = Facet.Create(Converter.ConcurrencyModeFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else if (scalar.Type.PrimitiveTypeKind == PrimitiveTypeKind.String &&
value.Key == EdmProviderManifest.CollationFacetName)
{
Facet facet = Facet.Create(Converter.CollationFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else
{
_element.AddError(ErrorCode.FacetNotAllowedByType,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.FacetNotAllowed(value.Key, scalar.Type.Name));
}
}
if (noErrors)
{
// Only validate the values if there are no errros encountered in the above functions.
// If there are errors encountered (like for e.g. precision
switch (scalar.TypeKind)
{
case PrimitiveTypeKind.Binary:
ValidateAndSetBinaryFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.String:
ValidateAndSetStringFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.Decimal:
ValidateAndSetDecimalFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.DateTime:
case PrimitiveTypeKind.Time:
case PrimitiveTypeKind.DateTimeOffset:
ValidatePrecisionFacetsForDateTimeFamily(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.Int16:
case PrimitiveTypeKind.Int32:
case PrimitiveTypeKind.Int64:
case PrimitiveTypeKind.Boolean:
case PrimitiveTypeKind.Byte:
case PrimitiveTypeKind.SByte:
case PrimitiveTypeKind.Double:
case PrimitiveTypeKind.Guid:
case PrimitiveTypeKind.Single:
break;
default:
Debug.Fail("Did you miss a value");
break;
}
}
_typeUsage = TypeUsage.Create(scalar.Type, calculatedFacets.Values);
}
///
/// Handles concurrency attributes.
///
internal bool HandleAttribute(XmlReader reader)
{
bool result = InternalHandleAttribute(reader);
_hasUserDefinedFacets |= result;
return result;
}
private bool InternalHandleAttribute(XmlReader reader)
{
if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.NullableFacetName))
{
HandleNullableAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, XmlConstants.DefaultValueAttribute))
{
HandleDefaultAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.PrecisionFacetName))
{
HandlePrecisionAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.ScaleFacetName))
{
HandleScaleAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.StoreGeneratedPatternFacetName))
{
HandleStoreGeneratedPatternAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.ConcurrencyModeFacetName))
{
HandleConcurrencyModeAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.MaxLengthFacetName))
{
HandleMaxLengthAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.UnicodeFacetName))
{
HandleUnicodeAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.CollationFacetName))
{
HandleCollationAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.FixedLengthFacetName))
{
HandleIsFixedLengthAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.NullableFacetName))
{
HandleNullableAttribute(reader);
return true;
}
return false;
}
private void ValidateAndSetBinaryFacets(EdmType type, Dictionary facets)
{
// Validate the right facets
ValidateLengthFacets(type, facets);
}
private void ValidateAndSetDecimalFacets(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Bid.DASSERT(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Decimal);
Facet precisionFacet;
byte? precision = new byte?();
if (facets.TryGetValue(EdmProviderManifest.PrecisionFacetName, out precisionFacet) && precisionFacet.Value != null)
{
precision = (byte)precisionFacet.Value;
FacetDescription precisionFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.PrecisionFacetName);
if (precision < precisionFacetDescription.MinValue.Value || precision > precisionFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.PrecisionOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.PrecisionOutOfRange(
precision,
precisionFacetDescription.MinValue.Value,
precisionFacetDescription.MaxValue.Value,
primitiveType.Name));
}
}
Facet scaleFacet;
if (facets.TryGetValue(EdmProviderManifest.ScaleFacetName, out scaleFacet) && scaleFacet.Value != null)
{
byte scale = (byte)scaleFacet.Value;
FacetDescription scaleFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.ScaleFacetName);
if (scale < scaleFacetDescription.MinValue.Value || scale > scaleFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.ScaleOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.ScaleOutOfRange(
scale,
scaleFacetDescription.MinValue.Value,
scaleFacetDescription.MaxValue.Value,
primitiveType.Name));
}
else if (precision.HasValue)
{
if (precision < scale)
{
_element.AddError(ErrorCode.BadPrecisionAndScale, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.BadPrecisionAndScale(precision, scale));
}
}
}
}
///
/// Validates the Precision value for DateTime family of types since the Min and Max allowed values for Precision for these types are same.
///
///
private void ValidatePrecisionFacetsForDateTimeFamily(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Debug.Assert( (primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.DateTime) ||(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.DateTimeOffset)||(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Time)) ;
Facet precisionFacet;
byte? precision = new byte?();
if (facets.TryGetValue(EdmProviderManifest.PrecisionFacetName, out precisionFacet) && precisionFacet.Value != null)
{
precision = (byte)precisionFacet.Value;
FacetDescription precisionFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.PrecisionFacetName);
if (precision < precisionFacetDescription.MinValue.Value || precision > precisionFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.PrecisionOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.PrecisionOutOfRange(
precision,
precisionFacetDescription.MinValue.Value,
precisionFacetDescription.MaxValue.Value,
primitiveType.Name));
}
}
}
private void ValidateAndSetStringFacets(EdmType type, Dictionary facets)
{
ValidateLengthFacets(type, facets);
}
private void ValidateLengthFacets(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Bid.DASSERT(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Binary ||
primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.String);
// Validate the length facet, if specified
Facet maxLenFacet;
//here we are assuming if the facet should be here or not is already get checked before
if (!facets.TryGetValue(EdmProviderManifest.MaxLengthFacetName, out maxLenFacet) || maxLenFacet.Value == null)
{
return;
}
if (Helper.IsUnboundedFacetValue(maxLenFacet))
{
return;
}
int length = (int)maxLenFacet.Value;
FacetDescription facetDescription = Helper.GetFacet(primitiveType.FacetDescriptions, EdmProviderManifest.MaxLengthFacetName);
int maxLength = (int)facetDescription.MaxValue;
int minLength = (int)facetDescription.MinValue;
if (length < minLength || length > maxLength)
{
_element.AddError(ErrorCode.InvalidSize, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidSize(length, minLength, maxLength, primitiveType.Name));
}
}
internal void HandleMaxLengthAttribute(XmlReader reader)
{
Debug.Assert(reader.LocalName == EdmProviderManifest.MaxLengthFacetName);
string value = reader.Value;
if (value.Trim() == XmlConstants.Max)
{
_facetValues.Add(EdmProviderManifest.MaxLengthFacetName, EdmConstants.UnboundedValue);
return;
}
int size = 0;
if (!_element.HandleIntAttribute(reader, ref size))
{
return;
}
_facetValues.Add(EdmProviderManifest.MaxLengthFacetName, size);
}
private void HandleNullableAttribute(XmlReader reader)
{
bool nullable = false;
if (_element.HandleBoolAttribute(reader, ref nullable))
{
_facetValues.Add(EdmProviderManifest.NullableFacetName, nullable);
_nullable = nullable;
}
}
internal void HandleStoreGeneratedPatternAttribute(XmlReader reader)
{
string value = reader.Value;
StoreGeneratedPattern storeGeneratedPattern;
if (value == XmlConstants.None)
{
storeGeneratedPattern = StoreGeneratedPattern.None;
}
else if (value == XmlConstants.Identity)
{
storeGeneratedPattern = StoreGeneratedPattern.Identity;
}
else if (value == XmlConstants.Computed)
{
storeGeneratedPattern = StoreGeneratedPattern.Computed;
}
else
{
// the error is already added by the schema validation event
SchemaElement.AssertReaderConsidersSchemaInvalid(reader);
return;
}
_facetValues.Add(EdmProviderManifest.StoreGeneratedPatternFacetName, storeGeneratedPattern);
}
internal void HandleConcurrencyModeAttribute(XmlReader reader)
{
string value = reader.Value;
ConcurrencyMode concurrencyMode;
if (value == XmlConstants.None)
{
concurrencyMode = ConcurrencyMode.None;
}
else if (value == XmlConstants.Fixed)
{
concurrencyMode = ConcurrencyMode.Fixed;
}
else
{
SchemaElement.AssertReaderConsidersSchemaInvalid(reader);
// the error is already added by the schema validation event
return;
}
_facetValues.Add(EdmProviderManifest.ConcurrencyModeFacetName, concurrencyMode);
}
private void HandleDefaultAttribute(XmlReader reader)
{
_default = reader.Value;
}
private void HandlePrecisionAttribute(XmlReader reader)
{
byte precision = 0;
if (_element.HandleByteAttribute(reader, ref precision))
{
_facetValues.Add(EdmProviderManifest.PrecisionFacetName, precision);
}
}
private void HandleScaleAttribute(XmlReader reader)
{
byte scale = 0;
if (_element.HandleByteAttribute(reader, ref scale))
{
_facetValues.Add(EdmProviderManifest.ScaleFacetName, scale);
}
}
private void HandleUnicodeAttribute(XmlReader reader)
{
bool isUnicode = false;
if (_element.HandleBoolAttribute(reader, ref isUnicode))
{
_facetValues.Add(EdmProviderManifest.UnicodeFacetName, isUnicode);
}
}
private void HandleCollationAttribute(XmlReader reader)
{
if (String.IsNullOrEmpty(reader.Value))
{
return;
}
_facetValues.Add(EdmProviderManifest.CollationFacetName, reader.Value);
}
private void HandleIsFixedLengthAttribute(XmlReader reader)
{
bool isFixedLength = false;
if (_element.HandleBoolAttribute(reader, ref isFixedLength))
{
_facetValues.Add(EdmProviderManifest.FixedLengthFacetName, isFixedLength);
}
}
#region Default value validation methods
internal void ValidateDefaultValue(SchemaType type)
{
if (null == _default) { return; }
ScalarType scalar = type as ScalarType;
if (null != scalar)
{
ValidateScalarMemberDefaultValue(scalar);
}
else
{
_element.AddError(ErrorCode.DefaultNotAllowed, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DefaultNotAllowed);
}
}
private void ValidateScalarMemberDefaultValue(ScalarType scalar)
{
Debug.Assert(_default != null);
if (scalar != null)
{
switch (scalar.TypeKind)
{
case PrimitiveTypeKind.Binary:
// required format 0xhexdegits, no more than 2*maxSize digits
ValidateBinaryDefaultValue(scalar);
return;
case PrimitiveTypeKind.Boolean:
// required true or false (case sensitive?)
ValidateBooleanDefaultValue(scalar);
return;
case PrimitiveTypeKind.Byte:
// integer between byte.MinValue and byteMaxValue;
ValidateIntegralDefaultValue(scalar, byte.MinValue, byte.MaxValue);
return;
case PrimitiveTypeKind.DateTime:
// valid datetime parsable using the format in _dateTimeFormat in the SqlDateTime range
ValidateDateTimeDefaultValue(scalar);
return;
case PrimitiveTypeKind.Time:
// valid time parsable using the format in _timeFormat in the SqlTime range
ValidateTimeDefaultValue(scalar);
return;
case PrimitiveTypeKind.DateTimeOffset:
// valid time parsable using the format in _datetimeoffsetFormat in the SqlDateTimeOffset range
ValidateDateTimeOffsetDefaultValue(scalar);
return;
case PrimitiveTypeKind.Decimal:
// valid decimal value (optionally with M) with scale and precision in range
ValidateDecimalDefaultValue(scalar);
return;
case PrimitiveTypeKind.Double:
// valid double constant
ValidateFloatingPointDefaultValue(scalar, double.MinValue, double.MaxValue);
return;
case PrimitiveTypeKind.Guid:
// valid string parsable by Guid.ctor
ValidateGuidDefaultValue(scalar);
return;
case PrimitiveTypeKind.Int16:
// integer between short.MinValue and short.MaxValue
ValidateIntegralDefaultValue(scalar, short.MinValue, short.MaxValue);
return;
case PrimitiveTypeKind.Int32:
// integer between int.MinValue and int.MaxValue
ValidateIntegralDefaultValue(scalar, int.MinValue, int.MaxValue);
return;
case PrimitiveTypeKind.Int64:
// integer between long.MinValue and long.MaxValue
ValidateIntegralDefaultValue(scalar, long.MinValue, long.MaxValue);
return;
case PrimitiveTypeKind.Single:
// valid single value
ValidateFloatingPointDefaultValue(scalar, float.MinValue, float.MaxValue);
return;
case PrimitiveTypeKind.String:
// the default is already a string, no parsing check necessary
_defaultObject = _default;
return;
default:
_element.AddError(ErrorCode.DefaultNotAllowed, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DefaultNotAllowed);
return;
}
}
}
private void ValidateBinaryDefaultValue(ScalarType scalar)
{
if (scalar.TryParse(_default, out _defaultObject))
{
return;
}
string errorMessage = Strings.InvalidDefaultBinaryWithNoMaxLength(_default);
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, errorMessage);
}
private void ValidateBooleanDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultBoolean(_default));
}
private void ValidateIntegralDefaultValue(ScalarType scalar, long minValue, long maxValue)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultIntegral(_default, minValue, maxValue));
}
private void ValidateDateTimeDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultDateTime(_default,
ScalarType.DateTimeFormat.Replace(@"\", "")));
}
}
private void ValidateTimeDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultTime(_default,
ScalarType.TimeFormat.Replace(@"\", "")));
}
}
private void ValidateDateTimeOffsetDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultDateTimeOffset(_default,
ScalarType.DateTimeOffsetFormat.Replace(@"\", "")));
}
}
private void ValidateDecimalDefaultValue(ScalarType scalar)
{
if (scalar.TryParse(_default, out _defaultObject))
{
return;
}
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultDecimal(_default, 38, 38));
}
private void ValidateFloatingPointDefaultValue(ScalarType scalar, double minValue, double maxValue)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultFloatingPoint(_default, minValue, maxValue));
}
private void ValidateGuidDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultGuid(_default));
}
#endregion
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Data.Common;
using System.Data.Metadata.Edm;
using System.Diagnostics;
using System.Xml;
using System.Data.Entity;
using System.Linq;
namespace System.Data.EntityModel.SchemaObjectModel
{
///
/// Supports the construction of a type usage instance for a Scalar/Primitive
/// Type.
///
internal class TypeUsageBuilder
{
#region Fields
private readonly Dictionary _facetValues;
///
/// Element generating the TypeUsage (e.g. StructuredProperty)
///
private readonly SchemaElement _element;
private string _default = null;
private object _defaultObject = null;
private bool? _nullable;
private TypeUsage _typeUsage;
private bool _hasUserDefinedFacets;
#endregion
#region Constructors
internal TypeUsageBuilder(SchemaElement element)
{
_element = element;
_facetValues = new Dictionary();
}
#endregion
#region Properties
///
/// Gets the TypeUsage generated by this builder.
///
internal TypeUsage TypeUsage
{
get
{
return _typeUsage;
}
}
///
/// Gets the nullability of the type usage.
///
internal bool Nullable
{
get
{
if (_nullable.HasValue)
{
return _nullable.Value;
}
return true;
}
}
///
/// Gets default.
///
internal string Default
{
get
{
return _default;
}
}
///
/// Gets parsed default value.
///
internal object DefaultAsObject
{
get
{
return _defaultObject;
}
}
///
/// Indicates whether this usage has any user defined facets.
///
internal bool HasUserDefinedFacets
{
get
{
return _hasUserDefinedFacets;
}
}
#endregion
#region Methods
///
/// effects: adds errors to _element if there are any; creates a TypeUsage instance using the
/// facet values aggregated by this builder and the given scalar type
///
/// Scalar type for the type usage
internal void ValidateAndSetTypeUsage(ScalarType scalar, bool complainOnMissingFacet)
{
Bid.DASSERT(_element != null);
Bid.DASSERT(scalar != null);
bool noErrors = true;
Dictionary defaultFacets = scalar.Type.GetAssociatedFacetDescriptions().ToDictionary(f => f.FacetName, f => f.DefaultValueFacet);
Dictionary calculatedFacets = new Dictionary();
foreach (Facet defaultFacet in defaultFacets.Values)
{
object value;
if (_facetValues.TryGetValue(defaultFacet.Name, out value))
{
// If the facet is a constant facet, then the facet must not be specified in the schema
if (defaultFacet.Description.IsConstant)
{
_element.AddError(ErrorCode.ConstantFacetSpecifiedInSchema,
EdmSchemaErrorSeverity.Error,
_element,
System.Data.Entity.Strings.ConstantFacetSpecifiedInSchema(defaultFacet.Name, scalar.Type.Name));
noErrors = false;
}
else
{
calculatedFacets.Add(defaultFacet.Name, Facet.Create(defaultFacet.Description, value));
}
// remove the used facet
// so we know which ones we need to add below
_facetValues.Remove(defaultFacet.Name);
}
else if (complainOnMissingFacet && defaultFacet.Description.IsRequired)
{
// Throw missing facet exception
_element.AddError(ErrorCode.RequiredFacetMissing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.RequiredFacetMissing(
defaultFacet.Name,
scalar.Type.Name));
noErrors = false;
}
else
{
calculatedFacets.Add(defaultFacet.Name, defaultFacet);
}
}
foreach (KeyValuePair value in _facetValues)
{
if (value.Key == EdmProviderManifest.StoreGeneratedPatternFacetName)
{
Facet facet = Facet.Create(Converter.StoreGeneratedPatternFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else if (value.Key == EdmProviderManifest.ConcurrencyModeFacetName)
{
Facet facet = Facet.Create(Converter.ConcurrencyModeFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else if (scalar.Type.PrimitiveTypeKind == PrimitiveTypeKind.String &&
value.Key == EdmProviderManifest.CollationFacetName)
{
Facet facet = Facet.Create(Converter.CollationFacet, value.Value);
calculatedFacets.Add(facet.Name, facet);
}
else
{
_element.AddError(ErrorCode.FacetNotAllowedByType,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.FacetNotAllowed(value.Key, scalar.Type.Name));
}
}
if (noErrors)
{
// Only validate the values if there are no errros encountered in the above functions.
// If there are errors encountered (like for e.g. precision
switch (scalar.TypeKind)
{
case PrimitiveTypeKind.Binary:
ValidateAndSetBinaryFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.String:
ValidateAndSetStringFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.Decimal:
ValidateAndSetDecimalFacets(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.DateTime:
case PrimitiveTypeKind.Time:
case PrimitiveTypeKind.DateTimeOffset:
ValidatePrecisionFacetsForDateTimeFamily(scalar.Type, calculatedFacets);
break;
case PrimitiveTypeKind.Int16:
case PrimitiveTypeKind.Int32:
case PrimitiveTypeKind.Int64:
case PrimitiveTypeKind.Boolean:
case PrimitiveTypeKind.Byte:
case PrimitiveTypeKind.SByte:
case PrimitiveTypeKind.Double:
case PrimitiveTypeKind.Guid:
case PrimitiveTypeKind.Single:
break;
default:
Debug.Fail("Did you miss a value");
break;
}
}
_typeUsage = TypeUsage.Create(scalar.Type, calculatedFacets.Values);
}
///
/// Handles concurrency attributes.
///
internal bool HandleAttribute(XmlReader reader)
{
bool result = InternalHandleAttribute(reader);
_hasUserDefinedFacets |= result;
return result;
}
private bool InternalHandleAttribute(XmlReader reader)
{
if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.NullableFacetName))
{
HandleNullableAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, XmlConstants.DefaultValueAttribute))
{
HandleDefaultAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.PrecisionFacetName))
{
HandlePrecisionAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.ScaleFacetName))
{
HandleScaleAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.StoreGeneratedPatternFacetName))
{
HandleStoreGeneratedPatternAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.ConcurrencyModeFacetName))
{
HandleConcurrencyModeAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.MaxLengthFacetName))
{
HandleMaxLengthAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.UnicodeFacetName))
{
HandleUnicodeAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.CollationFacetName))
{
HandleCollationAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.FixedLengthFacetName))
{
HandleIsFixedLengthAttribute(reader);
return true;
}
else if (SchemaElement.CanHandleAttribute(reader, EdmProviderManifest.NullableFacetName))
{
HandleNullableAttribute(reader);
return true;
}
return false;
}
private void ValidateAndSetBinaryFacets(EdmType type, Dictionary facets)
{
// Validate the right facets
ValidateLengthFacets(type, facets);
}
private void ValidateAndSetDecimalFacets(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Bid.DASSERT(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Decimal);
Facet precisionFacet;
byte? precision = new byte?();
if (facets.TryGetValue(EdmProviderManifest.PrecisionFacetName, out precisionFacet) && precisionFacet.Value != null)
{
precision = (byte)precisionFacet.Value;
FacetDescription precisionFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.PrecisionFacetName);
if (precision < precisionFacetDescription.MinValue.Value || precision > precisionFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.PrecisionOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.PrecisionOutOfRange(
precision,
precisionFacetDescription.MinValue.Value,
precisionFacetDescription.MaxValue.Value,
primitiveType.Name));
}
}
Facet scaleFacet;
if (facets.TryGetValue(EdmProviderManifest.ScaleFacetName, out scaleFacet) && scaleFacet.Value != null)
{
byte scale = (byte)scaleFacet.Value;
FacetDescription scaleFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.ScaleFacetName);
if (scale < scaleFacetDescription.MinValue.Value || scale > scaleFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.ScaleOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.ScaleOutOfRange(
scale,
scaleFacetDescription.MinValue.Value,
scaleFacetDescription.MaxValue.Value,
primitiveType.Name));
}
else if (precision.HasValue)
{
if (precision < scale)
{
_element.AddError(ErrorCode.BadPrecisionAndScale, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.BadPrecisionAndScale(precision, scale));
}
}
}
}
///
/// Validates the Precision value for DateTime family of types since the Min and Max allowed values for Precision for these types are same.
///
///
private void ValidatePrecisionFacetsForDateTimeFamily(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Debug.Assert( (primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.DateTime) ||(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.DateTimeOffset)||(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Time)) ;
Facet precisionFacet;
byte? precision = new byte?();
if (facets.TryGetValue(EdmProviderManifest.PrecisionFacetName, out precisionFacet) && precisionFacet.Value != null)
{
precision = (byte)precisionFacet.Value;
FacetDescription precisionFacetDescription = Helper.GetFacet(primitiveType.FacetDescriptions,
EdmProviderManifest.PrecisionFacetName);
if (precision < precisionFacetDescription.MinValue.Value || precision > precisionFacetDescription.MaxValue.Value)
{
_element.AddError(ErrorCode.PrecisionOutOfRange,
EdmSchemaErrorSeverity.Error,
System.Data.Entity.Strings.PrecisionOutOfRange(
precision,
precisionFacetDescription.MinValue.Value,
precisionFacetDescription.MaxValue.Value,
primitiveType.Name));
}
}
}
private void ValidateAndSetStringFacets(EdmType type, Dictionary facets)
{
ValidateLengthFacets(type, facets);
}
private void ValidateLengthFacets(EdmType type, Dictionary facets)
{
PrimitiveType primitiveType = (PrimitiveType)type;
Bid.DASSERT(primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.Binary ||
primitiveType.PrimitiveTypeKind == PrimitiveTypeKind.String);
// Validate the length facet, if specified
Facet maxLenFacet;
//here we are assuming if the facet should be here or not is already get checked before
if (!facets.TryGetValue(EdmProviderManifest.MaxLengthFacetName, out maxLenFacet) || maxLenFacet.Value == null)
{
return;
}
if (Helper.IsUnboundedFacetValue(maxLenFacet))
{
return;
}
int length = (int)maxLenFacet.Value;
FacetDescription facetDescription = Helper.GetFacet(primitiveType.FacetDescriptions, EdmProviderManifest.MaxLengthFacetName);
int maxLength = (int)facetDescription.MaxValue;
int minLength = (int)facetDescription.MinValue;
if (length < minLength || length > maxLength)
{
_element.AddError(ErrorCode.InvalidSize, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidSize(length, minLength, maxLength, primitiveType.Name));
}
}
internal void HandleMaxLengthAttribute(XmlReader reader)
{
Debug.Assert(reader.LocalName == EdmProviderManifest.MaxLengthFacetName);
string value = reader.Value;
if (value.Trim() == XmlConstants.Max)
{
_facetValues.Add(EdmProviderManifest.MaxLengthFacetName, EdmConstants.UnboundedValue);
return;
}
int size = 0;
if (!_element.HandleIntAttribute(reader, ref size))
{
return;
}
_facetValues.Add(EdmProviderManifest.MaxLengthFacetName, size);
}
private void HandleNullableAttribute(XmlReader reader)
{
bool nullable = false;
if (_element.HandleBoolAttribute(reader, ref nullable))
{
_facetValues.Add(EdmProviderManifest.NullableFacetName, nullable);
_nullable = nullable;
}
}
internal void HandleStoreGeneratedPatternAttribute(XmlReader reader)
{
string value = reader.Value;
StoreGeneratedPattern storeGeneratedPattern;
if (value == XmlConstants.None)
{
storeGeneratedPattern = StoreGeneratedPattern.None;
}
else if (value == XmlConstants.Identity)
{
storeGeneratedPattern = StoreGeneratedPattern.Identity;
}
else if (value == XmlConstants.Computed)
{
storeGeneratedPattern = StoreGeneratedPattern.Computed;
}
else
{
// the error is already added by the schema validation event
SchemaElement.AssertReaderConsidersSchemaInvalid(reader);
return;
}
_facetValues.Add(EdmProviderManifest.StoreGeneratedPatternFacetName, storeGeneratedPattern);
}
internal void HandleConcurrencyModeAttribute(XmlReader reader)
{
string value = reader.Value;
ConcurrencyMode concurrencyMode;
if (value == XmlConstants.None)
{
concurrencyMode = ConcurrencyMode.None;
}
else if (value == XmlConstants.Fixed)
{
concurrencyMode = ConcurrencyMode.Fixed;
}
else
{
SchemaElement.AssertReaderConsidersSchemaInvalid(reader);
// the error is already added by the schema validation event
return;
}
_facetValues.Add(EdmProviderManifest.ConcurrencyModeFacetName, concurrencyMode);
}
private void HandleDefaultAttribute(XmlReader reader)
{
_default = reader.Value;
}
private void HandlePrecisionAttribute(XmlReader reader)
{
byte precision = 0;
if (_element.HandleByteAttribute(reader, ref precision))
{
_facetValues.Add(EdmProviderManifest.PrecisionFacetName, precision);
}
}
private void HandleScaleAttribute(XmlReader reader)
{
byte scale = 0;
if (_element.HandleByteAttribute(reader, ref scale))
{
_facetValues.Add(EdmProviderManifest.ScaleFacetName, scale);
}
}
private void HandleUnicodeAttribute(XmlReader reader)
{
bool isUnicode = false;
if (_element.HandleBoolAttribute(reader, ref isUnicode))
{
_facetValues.Add(EdmProviderManifest.UnicodeFacetName, isUnicode);
}
}
private void HandleCollationAttribute(XmlReader reader)
{
if (String.IsNullOrEmpty(reader.Value))
{
return;
}
_facetValues.Add(EdmProviderManifest.CollationFacetName, reader.Value);
}
private void HandleIsFixedLengthAttribute(XmlReader reader)
{
bool isFixedLength = false;
if (_element.HandleBoolAttribute(reader, ref isFixedLength))
{
_facetValues.Add(EdmProviderManifest.FixedLengthFacetName, isFixedLength);
}
}
#region Default value validation methods
internal void ValidateDefaultValue(SchemaType type)
{
if (null == _default) { return; }
ScalarType scalar = type as ScalarType;
if (null != scalar)
{
ValidateScalarMemberDefaultValue(scalar);
}
else
{
_element.AddError(ErrorCode.DefaultNotAllowed, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DefaultNotAllowed);
}
}
private void ValidateScalarMemberDefaultValue(ScalarType scalar)
{
Debug.Assert(_default != null);
if (scalar != null)
{
switch (scalar.TypeKind)
{
case PrimitiveTypeKind.Binary:
// required format 0xhexdegits, no more than 2*maxSize digits
ValidateBinaryDefaultValue(scalar);
return;
case PrimitiveTypeKind.Boolean:
// required true or false (case sensitive?)
ValidateBooleanDefaultValue(scalar);
return;
case PrimitiveTypeKind.Byte:
// integer between byte.MinValue and byteMaxValue;
ValidateIntegralDefaultValue(scalar, byte.MinValue, byte.MaxValue);
return;
case PrimitiveTypeKind.DateTime:
// valid datetime parsable using the format in _dateTimeFormat in the SqlDateTime range
ValidateDateTimeDefaultValue(scalar);
return;
case PrimitiveTypeKind.Time:
// valid time parsable using the format in _timeFormat in the SqlTime range
ValidateTimeDefaultValue(scalar);
return;
case PrimitiveTypeKind.DateTimeOffset:
// valid time parsable using the format in _datetimeoffsetFormat in the SqlDateTimeOffset range
ValidateDateTimeOffsetDefaultValue(scalar);
return;
case PrimitiveTypeKind.Decimal:
// valid decimal value (optionally with M) with scale and precision in range
ValidateDecimalDefaultValue(scalar);
return;
case PrimitiveTypeKind.Double:
// valid double constant
ValidateFloatingPointDefaultValue(scalar, double.MinValue, double.MaxValue);
return;
case PrimitiveTypeKind.Guid:
// valid string parsable by Guid.ctor
ValidateGuidDefaultValue(scalar);
return;
case PrimitiveTypeKind.Int16:
// integer between short.MinValue and short.MaxValue
ValidateIntegralDefaultValue(scalar, short.MinValue, short.MaxValue);
return;
case PrimitiveTypeKind.Int32:
// integer between int.MinValue and int.MaxValue
ValidateIntegralDefaultValue(scalar, int.MinValue, int.MaxValue);
return;
case PrimitiveTypeKind.Int64:
// integer between long.MinValue and long.MaxValue
ValidateIntegralDefaultValue(scalar, long.MinValue, long.MaxValue);
return;
case PrimitiveTypeKind.Single:
// valid single value
ValidateFloatingPointDefaultValue(scalar, float.MinValue, float.MaxValue);
return;
case PrimitiveTypeKind.String:
// the default is already a string, no parsing check necessary
_defaultObject = _default;
return;
default:
_element.AddError(ErrorCode.DefaultNotAllowed, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DefaultNotAllowed);
return;
}
}
}
private void ValidateBinaryDefaultValue(ScalarType scalar)
{
if (scalar.TryParse(_default, out _defaultObject))
{
return;
}
string errorMessage = Strings.InvalidDefaultBinaryWithNoMaxLength(_default);
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, errorMessage);
}
private void ValidateBooleanDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultBoolean(_default));
}
private void ValidateIntegralDefaultValue(ScalarType scalar, long minValue, long maxValue)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultIntegral(_default, minValue, maxValue));
}
private void ValidateDateTimeDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultDateTime(_default,
ScalarType.DateTimeFormat.Replace(@"\", "")));
}
}
private void ValidateTimeDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultTime(_default,
ScalarType.TimeFormat.Replace(@"\", "")));
}
}
private void ValidateDateTimeOffsetDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
{
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, Strings.InvalidDefaultDateTimeOffset(_default,
ScalarType.DateTimeOffsetFormat.Replace(@"\", "")));
}
}
private void ValidateDecimalDefaultValue(ScalarType scalar)
{
if (scalar.TryParse(_default, out _defaultObject))
{
return;
}
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultDecimal(_default, 38, 38));
}
private void ValidateFloatingPointDefaultValue(ScalarType scalar, double minValue, double maxValue)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultFloatingPoint(_default, minValue, maxValue));
}
private void ValidateGuidDefaultValue(ScalarType scalar)
{
if (!scalar.TryParse(_default, out _defaultObject))
_element.AddError(ErrorCode.InvalidDefault, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidDefaultGuid(_default));
}
#endregion
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- ChangeProcessor.cs
- SafeNativeMethodsCLR.cs
- Header.cs
- ProviderCollection.cs
- StringUtil.cs
- BulletDecorator.cs
- ClientRolePrincipal.cs
- ExcludeFromCodeCoverageAttribute.cs
- METAHEADER.cs
- RandomNumberGenerator.cs
- PackagePartCollection.cs
- SqlBuffer.cs
- WebReferencesBuildProvider.cs
- BindingMemberInfo.cs
- PersianCalendar.cs
- RuleSettingsCollection.cs
- SafeThemeHandle.cs
- IPAddressCollection.cs
- SafeViewOfFileHandle.cs
- VScrollProperties.cs
- SmiEventSink.cs
- DataGridViewCellEventArgs.cs
- ProxyWebPart.cs
- HttpHeaderCollection.cs
- LifetimeManager.cs
- CodeAttributeDeclarationCollection.cs
- SiteMapSection.cs
- ReachPageContentSerializerAsync.cs
- Site.cs
- ProfileParameter.cs
- PassportPrincipal.cs
- WebUtil.cs
- EditorPart.cs
- HotSpotCollection.cs
- ManualWorkflowSchedulerService.cs
- XmlSchemaNotation.cs
- RuntimeArgumentHandle.cs
- Perspective.cs
- CompilationLock.cs
- FieldBuilder.cs
- FlowSwitch.cs
- RadioButtonBaseAdapter.cs
- HtmlInputCheckBox.cs
- HttpModuleActionCollection.cs
- ZipIOCentralDirectoryFileHeader.cs
- DeviceContext2.cs
- ConnectionPoolRegistry.cs
- EntitySqlQueryCacheKey.cs
- ManualResetEvent.cs
- CqlIdentifiers.cs
- ToolStripItemEventArgs.cs
- CompilerGeneratedAttribute.cs
- DataViewManager.cs
- CompilerState.cs
- DbParameterCollection.cs
- ObsoleteAttribute.cs
- ClickablePoint.cs
- RuleSettingsCollection.cs
- HMACRIPEMD160.cs
- EditorZoneBase.cs
- DecimalConverter.cs
- ResponseBodyWriter.cs
- HelpProvider.cs
- CheckoutException.cs
- CursorInteropHelper.cs
- WebSysDefaultValueAttribute.cs
- TimeoutValidationAttribute.cs
- OutOfProcStateClientManager.cs
- DrawingAttributesDefaultValueFactory.cs
- SqlServices.cs
- _KerberosClient.cs
- DifferencingCollection.cs
- arabicshape.cs
- XmlHierarchyData.cs
- DataGridViewColumnEventArgs.cs
- KnownBoxes.cs
- InvalidOperationException.cs
- NetworkInterface.cs
- TemplateXamlParser.cs
- HitTestFilterBehavior.cs
- EncodingDataItem.cs
- TimeStampChecker.cs
- CodeArrayIndexerExpression.cs
- URLMembershipCondition.cs
- MetadataExchangeClient.cs
- ResourceKey.cs
- ListControlConvertEventArgs.cs
- RelationshipNavigation.cs
- MultiPartWriter.cs
- validation.cs
- Exceptions.cs
- SafeMemoryMappedViewHandle.cs
- listitem.cs
- RegexWorker.cs
- GeneralTransform3DGroup.cs
- ClientUrlResolverWrapper.cs
- EncoderParameters.cs
- FileLoadException.cs
- RouteParser.cs
- GAC.cs