Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / MetadataProperty.cs / 1 / MetadataProperty.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Data.Common; using System.Diagnostics; using System.Reflection; namespace System.Data.Metadata.Edm { ////// Class representing a metadata attribute for an item /// public sealed class MetadataProperty : MetadataItem { #region Constructors ////// The constructor for MetadataProperty taking in a name, a TypeUsage object, and a value for the attribute /// /// The name of this MetadataProperty /// The TypeUsage describing the type of this MetadataProperty /// The value for this attribute ///Thrown if typeUsage argument is null internal MetadataProperty(string name, TypeUsage typeUsage, object value) { EntityUtil.GenericCheckArgumentNull(typeUsage, "typeUsage"); _name = name; _value = value; _typeUsage = typeUsage; _propertyKind = PropertyKind.Extended; } ////// The constructor for MetadataProperty taking in all the ingredients for creating TypeUsage and the actual value /// /// The name of the attribute /// The edm type of the attribute /// Whether the collection type of the given edm type should be used /// The value of the attribute internal MetadataProperty(string name, EdmType edmType, bool isCollectionType, object value) { EntityUtil.CheckArgumentNull(edmType, "edmType"); _name = name; _value = value; if (isCollectionType) { _typeUsage = TypeUsage.Create(edmType.GetCollectionType()); } else { _typeUsage = TypeUsage.Create(edmType); } _propertyKind = PropertyKind.System; } #endregion #region Fields private string _name; private PropertyKind _propertyKind; private object _value; private TypeUsage _typeUsage; #endregion #region Properties ////// Returns the kind of the type /// public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.MetadataProperty; } } ////// Gets the identity of this item /// internal override string Identity { get { return Name; } } ////// Gets/Sets the name of this MetadataProperty /// [MetadataProperty(PrimitiveTypeKind.String, false)] public string Name { get { // The name is immutable, so it should be safe to always get it from the field return _name; } } ////// Gets/Sets the value of this MetadataProperty /// ///Thrown if the MetadataProperty instance is in readonly state [MetadataProperty(typeof(Object), false)] public object Value { get { // Check if we're redirecting to an MetadataItem system property MetadataPropertyValue redirectValue = _value as MetadataPropertyValue; if (null != redirectValue) { return redirectValue.GetValue(); } // If not, return the actual stored value return _value; } } ////// Gets/Sets the TypeUsage object describing the type of this attribute /// ///Thrown if value passed into setter is null ///Thrown if the MetadataProperty instance is in readonly state [MetadataProperty(BuiltInTypeKind.TypeUsage, false)] public TypeUsage TypeUsage { get { return _typeUsage; } } #endregion #region Methods ////// Sets this item to be readonly, once this is set, the item will never be writable again. /// internal override void SetReadOnly() { if (!IsReadOnly) { base.SetReadOnly(); // TypeUsage is always readonly, no need to set _typeUsage } } ////// Returns the kind of the attribute /// public PropertyKind PropertyKind { get { return _propertyKind; } } #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.Diagnostics; using System.Reflection; namespace System.Data.Metadata.Edm { ////// Class representing a metadata attribute for an item /// public sealed class MetadataProperty : MetadataItem { #region Constructors ////// The constructor for MetadataProperty taking in a name, a TypeUsage object, and a value for the attribute /// /// The name of this MetadataProperty /// The TypeUsage describing the type of this MetadataProperty /// The value for this attribute ///Thrown if typeUsage argument is null internal MetadataProperty(string name, TypeUsage typeUsage, object value) { EntityUtil.GenericCheckArgumentNull(typeUsage, "typeUsage"); _name = name; _value = value; _typeUsage = typeUsage; _propertyKind = PropertyKind.Extended; } ////// The constructor for MetadataProperty taking in all the ingredients for creating TypeUsage and the actual value /// /// The name of the attribute /// The edm type of the attribute /// Whether the collection type of the given edm type should be used /// The value of the attribute internal MetadataProperty(string name, EdmType edmType, bool isCollectionType, object value) { EntityUtil.CheckArgumentNull(edmType, "edmType"); _name = name; _value = value; if (isCollectionType) { _typeUsage = TypeUsage.Create(edmType.GetCollectionType()); } else { _typeUsage = TypeUsage.Create(edmType); } _propertyKind = PropertyKind.System; } #endregion #region Fields private string _name; private PropertyKind _propertyKind; private object _value; private TypeUsage _typeUsage; #endregion #region Properties ////// Returns the kind of the type /// public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.MetadataProperty; } } ////// Gets the identity of this item /// internal override string Identity { get { return Name; } } ////// Gets/Sets the name of this MetadataProperty /// [MetadataProperty(PrimitiveTypeKind.String, false)] public string Name { get { // The name is immutable, so it should be safe to always get it from the field return _name; } } ////// Gets/Sets the value of this MetadataProperty /// ///Thrown if the MetadataProperty instance is in readonly state [MetadataProperty(typeof(Object), false)] public object Value { get { // Check if we're redirecting to an MetadataItem system property MetadataPropertyValue redirectValue = _value as MetadataPropertyValue; if (null != redirectValue) { return redirectValue.GetValue(); } // If not, return the actual stored value return _value; } } ////// Gets/Sets the TypeUsage object describing the type of this attribute /// ///Thrown if value passed into setter is null ///Thrown if the MetadataProperty instance is in readonly state [MetadataProperty(BuiltInTypeKind.TypeUsage, false)] public TypeUsage TypeUsage { get { return _typeUsage; } } #endregion #region Methods ////// Sets this item to be readonly, once this is set, the item will never be writable again. /// internal override void SetReadOnly() { if (!IsReadOnly) { base.SetReadOnly(); // TypeUsage is always readonly, no need to set _typeUsage } } ////// Returns the kind of the attribute /// public PropertyKind PropertyKind { get { return _propertyKind; } } #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
- MimeBasePart.cs
- HierarchicalDataSourceControl.cs
- StreamHelper.cs
- SamlConstants.cs
- InkCanvasFeedbackAdorner.cs
- DataGrid.cs
- DoubleAnimationClockResource.cs
- WebPartEditorOkVerb.cs
- TextEffectResolver.cs
- SmtpSection.cs
- ServiceDescriptionSerializer.cs
- oledbmetadatacollectionnames.cs
- ProcessingInstructionAction.cs
- ProfileParameter.cs
- XmlCharType.cs
- SpStreamWrapper.cs
- ListViewItem.cs
- DataAccessException.cs
- MailSettingsSection.cs
- StaticFileHandler.cs
- LinqDataSourceContextData.cs
- InternalControlCollection.cs
- HttpException.cs
- DateTimeConverter.cs
- XmlSchemaChoice.cs
- ReflectionTypeLoadException.cs
- QuaternionValueSerializer.cs
- WpfSharedBamlSchemaContext.cs
- SimpleBitVector32.cs
- SqlErrorCollection.cs
- TabItemWrapperAutomationPeer.cs
- AccessedThroughPropertyAttribute.cs
- TextComposition.cs
- TextBoxBase.cs
- HtmlTextViewAdapter.cs
- ZoneLinkButton.cs
- MailAddress.cs
- XPathDescendantIterator.cs
- BindingEntityInfo.cs
- TextSerializer.cs
- TraceSection.cs
- CapabilitiesRule.cs
- WindowsFormsSectionHandler.cs
- TextTreeRootTextBlock.cs
- ApplicationProxyInternal.cs
- TailCallAnalyzer.cs
- ReverseQueryOperator.cs
- Itemizer.cs
- DataSourceCache.cs
- XslAst.cs
- Validator.cs
- ItemType.cs
- PassportAuthenticationEventArgs.cs
- ExpressionBindings.cs
- IpcClientChannel.cs
- FastEncoder.cs
- ConfigurationSectionGroupCollection.cs
- ContextMenu.cs
- TemplateDefinition.cs
- DataGridViewElement.cs
- PropertyGrid.cs
- PatternMatcher.cs
- AttributeSetAction.cs
- CustomWebEventKey.cs
- NetSectionGroup.cs
- XmlAggregates.cs
- XmlIncludeAttribute.cs
- SignatureToken.cs
- SoapReflectionImporter.cs
- PaperSize.cs
- HybridCollection.cs
- AssemblyInfo.cs
- Help.cs
- ProgressBarBrushConverter.cs
- XmlDataDocument.cs
- FixedTextContainer.cs
- UrlMappingCollection.cs
- CodeThrowExceptionStatement.cs
- WebPartVerbsEventArgs.cs
- ConfigXmlSignificantWhitespace.cs
- FrameworkContentElement.cs
- elementinformation.cs
- ClrPerspective.cs
- Int32Rect.cs
- Thumb.cs
- TextEditor.cs
- XPathParser.cs
- mediaclock.cs
- MediaElement.cs
- HtmlUtf8RawTextWriter.cs
- TableCellCollection.cs
- HttpCacheVary.cs
- Window.cs
- WindowsRebar.cs
- webbrowsersite.cs
- MetafileHeader.cs
- NativeRightsManagementAPIsStructures.cs
- Processor.cs
- PropertyInformation.cs
- DataGridViewColumnHeaderCell.cs