Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / Facet.cs / 2 / Facet.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Data.Common; using System.Text; using System.Diagnostics; namespace System.Data.Metadata.Edm { ////// Class for representing a Facet object /// This object is Immutable (not just set to readonly) and /// some parts of the system are depending on that behavior /// [DebuggerDisplay("{Name,nq}={Value}")] public sealed class Facet : MetadataItem { #region Constructors ////// The constructor for constructing a Facet object with the facet description and a value /// /// The object describing this facet /// The value of the facet ///Thrown if facetDescription argument is null private Facet(FacetDescription facetDescription, object value) :base(MetadataFlags.Readonly) { EntityUtil.GenericCheckArgumentNull(facetDescription, "facetDescription"); _facetDescription = facetDescription; _value = value; } ////// Creates a Facet instance with the specified value for the given /// facet description. /// /// The object describing this facet /// The value of the facet ///Thrown if facetDescription argument is null internal static Facet Create(FacetDescription facetDescription, object value) { return Create(facetDescription, value, false); } ////// Creates a Facet instance with the specified value for the given /// facet description. /// /// The object describing this facet /// The value of the facet /// true to bypass caching and known values; false otherwise. ///Thrown if facetDescription argument is null internal static Facet Create(FacetDescription facetDescription, object value, bool bypassKnownValues) { EntityUtil.CheckArgumentNull(facetDescription, "facetDescription"); if (!bypassKnownValues) { // Reuse facets with a null value. if (object.ReferenceEquals(value, null)) { return facetDescription.NullValueFacet; } // Reuse facets with a default value. if (object.Equals(facetDescription.DefaultValue, value)) { return facetDescription.DefaultValueFacet; } // Special case boolean facets. if (facetDescription.FacetType.Identity == "Edm.Boolean") { bool boolValue = (bool)value; return facetDescription.GetBooleanFacet(boolValue); } } Facet result = new Facet(facetDescription, value); // Check the type of the value only if we know what the correct CLR type is if (value != null && !Helper.IsUnboundedFacetValue(result) && result.FacetType.ClrType != null) { Type valueType = value.GetType(); if (valueType != result.FacetType.ClrType && !result.FacetType.ClrType.IsAssignableFrom(valueType)) { throw EntityUtil.FacetValueHasIncorrectType(result.Name, result.FacetType.ClrType, valueType, "value"); } } return result; } #endregion #region Fields ///The object describing this facet. private readonly FacetDescription _facetDescription; ///The value assigned to this facet. private readonly object _value; #endregion #region Properties ////// Returns the kind of the type /// public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.Facet; } } ////// Gets the description object for describing the facet /// public FacetDescription Description { get { return _facetDescription; } } ////// Gets/Sets the name of the facet /// [MetadataProperty(PrimitiveTypeKind.String, false)] public String Name { get { return _facetDescription.FacetName; } } ////// Gets/Sets the type of the facet /// [MetadataProperty(BuiltInTypeKind.EdmType, false)] public EdmType FacetType { get { return _facetDescription.FacetType; } } ////// Gets/Sets the value of the facet /// ///Thrown if the Facet instance is in ReadOnly state [MetadataProperty(typeof(Object), false)] public Object Value { get { return _value; } } ////// Gets the identity for this item as a string /// internal override string Identity { get { return _facetDescription.FacetName; } } ////// Indicates whether the value of the facet is unbounded /// public bool IsUnbounded { get { return object.ReferenceEquals(Value, EdmConstants.UnboundedValue); } } #endregion #region Methods ////// Overriding System.Object.ToString to provide better String representation /// for this type. /// public override string ToString() { return this.Name; } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Data.Common; using System.Text; using System.Diagnostics; namespace System.Data.Metadata.Edm { ////// Class for representing a Facet object /// This object is Immutable (not just set to readonly) and /// some parts of the system are depending on that behavior /// [DebuggerDisplay("{Name,nq}={Value}")] public sealed class Facet : MetadataItem { #region Constructors ////// The constructor for constructing a Facet object with the facet description and a value /// /// The object describing this facet /// The value of the facet ///Thrown if facetDescription argument is null private Facet(FacetDescription facetDescription, object value) :base(MetadataFlags.Readonly) { EntityUtil.GenericCheckArgumentNull(facetDescription, "facetDescription"); _facetDescription = facetDescription; _value = value; } ////// Creates a Facet instance with the specified value for the given /// facet description. /// /// The object describing this facet /// The value of the facet ///Thrown if facetDescription argument is null internal static Facet Create(FacetDescription facetDescription, object value) { return Create(facetDescription, value, false); } ////// Creates a Facet instance with the specified value for the given /// facet description. /// /// The object describing this facet /// The value of the facet /// true to bypass caching and known values; false otherwise. ///Thrown if facetDescription argument is null internal static Facet Create(FacetDescription facetDescription, object value, bool bypassKnownValues) { EntityUtil.CheckArgumentNull(facetDescription, "facetDescription"); if (!bypassKnownValues) { // Reuse facets with a null value. if (object.ReferenceEquals(value, null)) { return facetDescription.NullValueFacet; } // Reuse facets with a default value. if (object.Equals(facetDescription.DefaultValue, value)) { return facetDescription.DefaultValueFacet; } // Special case boolean facets. if (facetDescription.FacetType.Identity == "Edm.Boolean") { bool boolValue = (bool)value; return facetDescription.GetBooleanFacet(boolValue); } } Facet result = new Facet(facetDescription, value); // Check the type of the value only if we know what the correct CLR type is if (value != null && !Helper.IsUnboundedFacetValue(result) && result.FacetType.ClrType != null) { Type valueType = value.GetType(); if (valueType != result.FacetType.ClrType && !result.FacetType.ClrType.IsAssignableFrom(valueType)) { throw EntityUtil.FacetValueHasIncorrectType(result.Name, result.FacetType.ClrType, valueType, "value"); } } return result; } #endregion #region Fields ///The object describing this facet. private readonly FacetDescription _facetDescription; ///The value assigned to this facet. private readonly object _value; #endregion #region Properties ////// Returns the kind of the type /// public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.Facet; } } ////// Gets the description object for describing the facet /// public FacetDescription Description { get { return _facetDescription; } } ////// Gets/Sets the name of the facet /// [MetadataProperty(PrimitiveTypeKind.String, false)] public String Name { get { return _facetDescription.FacetName; } } ////// Gets/Sets the type of the facet /// [MetadataProperty(BuiltInTypeKind.EdmType, false)] public EdmType FacetType { get { return _facetDescription.FacetType; } } ////// Gets/Sets the value of the facet /// ///Thrown if the Facet instance is in ReadOnly state [MetadataProperty(typeof(Object), false)] public Object Value { get { return _value; } } ////// Gets the identity for this item as a string /// internal override string Identity { get { return _facetDescription.FacetName; } } ////// Indicates whether the value of the facet is unbounded /// public bool IsUnbounded { get { return object.ReferenceEquals(Value, EdmConstants.UnboundedValue); } } #endregion #region Methods ////// Overriding System.Object.ToString to provide better String representation /// for this type. /// public override string ToString() { return this.Name; } #endregion } } // 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
- Debug.cs
- AttributeConverter.cs
- DictionaryItemsCollection.cs
- ScopeCompiler.cs
- OpenFileDialog.cs
- HtmlGenericControl.cs
- ServicesUtilities.cs
- Matrix.cs
- ComponentEditorPage.cs
- DSASignatureDeformatter.cs
- OleDbException.cs
- GlyphElement.cs
- BaseInfoTable.cs
- TemplateControlCodeDomTreeGenerator.cs
- ConfigurationSchemaErrors.cs
- Propagator.JoinPropagator.cs
- BookmarkList.cs
- ClientSettingsSection.cs
- Helper.cs
- InternalDuplexChannelListener.cs
- _OverlappedAsyncResult.cs
- InsufficientMemoryException.cs
- Stylesheet.cs
- CorePropertiesFilter.cs
- DataServiceRequest.cs
- GridView.cs
- CatalogZone.cs
- CharAnimationUsingKeyFrames.cs
- ButtonChrome.cs
- Vars.cs
- CheckoutException.cs
- PermissionSetEnumerator.cs
- DownloadProgressEventArgs.cs
- DES.cs
- LineGeometry.cs
- SpellerInterop.cs
- FixedPosition.cs
- NativeMethodsOther.cs
- SqlDeflator.cs
- MailDefinition.cs
- BitmapCodecInfoInternal.cs
- IsolatedStorageFileStream.cs
- JobInputBins.cs
- TypeUsage.cs
- SqlTypeSystemProvider.cs
- TypeSource.cs
- SiteMap.cs
- HttpRawResponse.cs
- ping.cs
- xmlglyphRunInfo.cs
- xamlnodes.cs
- ConstantCheck.cs
- MessageLogTraceRecord.cs
- StreamGeometryContext.cs
- DataViewListener.cs
- TextSerializer.cs
- NullableFloatAverageAggregationOperator.cs
- FastEncoderWindow.cs
- AddingNewEventArgs.cs
- MemoryStream.cs
- FixedTextBuilder.cs
- SecurityPolicySection.cs
- ScriptingJsonSerializationSection.cs
- Trace.cs
- regiisutil.cs
- ConvertersCollection.cs
- DrawingServices.cs
- COAUTHINFO.cs
- SourceElementsCollection.cs
- CodeGen.cs
- CollectionBase.cs
- M3DUtil.cs
- WorkflowDesignerMessageFilter.cs
- BitmapEffectInput.cs
- SqlTopReducer.cs
- CircleHotSpot.cs
- HostingEnvironment.cs
- BuiltInExpr.cs
- TableChangeProcessor.cs
- EditorZone.cs
- CollectionContainer.cs
- ParameterElementCollection.cs
- SHA1Managed.cs
- CharacterBuffer.cs
- dtdvalidator.cs
- LinqDataSourceContextEventArgs.cs
- DefinitionBase.cs
- OdbcStatementHandle.cs
- ColorAnimationUsingKeyFrames.cs
- CustomErrorsSection.cs
- PingOptions.cs
- PasswordBox.cs
- ResetableIterator.cs
- JsonEncodingStreamWrapper.cs
- Margins.cs
- StickyNote.cs
- SByteStorage.cs
- ErrorWebPart.cs
- TextElementAutomationPeer.cs
- UrlPath.cs