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 / MetadataProperty.cs / 2 / 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
- SimpleHandlerFactory.cs
- ItemAutomationPeer.cs
- StylusEditingBehavior.cs
- InitializingNewItemEventArgs.cs
- _TimerThread.cs
- CompiledQueryCacheKey.cs
- ShaperBuffers.cs
- CngKey.cs
- NamedElement.cs
- ActivationServices.cs
- WebCategoryAttribute.cs
- ReadContentAsBinaryHelper.cs
- EntityCollection.cs
- SimpleBitVector32.cs
- SystemIPInterfaceProperties.cs
- ExtendedPropertyDescriptor.cs
- EntityConnection.cs
- Underline.cs
- TreeViewAutomationPeer.cs
- MostlySingletonList.cs
- NullRuntimeConfig.cs
- ContainerFilterService.cs
- HealthMonitoringSection.cs
- ObjectTag.cs
- LinqDataSourceSelectEventArgs.cs
- WebControlsSection.cs
- RowTypeElement.cs
- Model3D.cs
- OrderedHashRepartitionEnumerator.cs
- FillRuleValidation.cs
- LineInfo.cs
- DefaultExpressionVisitor.cs
- XamlStream.cs
- HotSpot.cs
- HTTPNotFoundHandler.cs
- OrderedEnumerableRowCollection.cs
- WaveHeader.cs
- DocumentPaginator.cs
- ExtendedPropertyInfo.cs
- RichTextBox.cs
- HtmlInputSubmit.cs
- WmlValidationSummaryAdapter.cs
- OutputCacheSettings.cs
- EmptyCollection.cs
- AsyncCompletedEventArgs.cs
- ListView.cs
- DataRecordInternal.cs
- TypeDescriptionProvider.cs
- Properties.cs
- ControlBuilder.cs
- WriteTimeStream.cs
- XmlSerializerVersionAttribute.cs
- XmlSchemaDatatype.cs
- TemplateBindingExpressionConverter.cs
- CompilerGlobalScopeAttribute.cs
- WindowsRebar.cs
- XPathAxisIterator.cs
- ButtonColumn.cs
- CacheDependency.cs
- HWStack.cs
- WebPartDisplayMode.cs
- bindurihelper.cs
- EmptyStringExpandableObjectConverter.cs
- Button.cs
- FormViewPageEventArgs.cs
- BuildManager.cs
- GradientStop.cs
- DebugInfoExpression.cs
- SqlCharStream.cs
- GeneralTransformGroup.cs
- WindowsTitleBar.cs
- PrimitiveXmlSerializers.cs
- OrderedDictionary.cs
- ChannelServices.cs
- OptimalTextSource.cs
- cache.cs
- FormatConvertedBitmap.cs
- MemberDescriptor.cs
- PageRequestManager.cs
- PageParser.cs
- DrawListViewItemEventArgs.cs
- XMLSyntaxException.cs
- TextCompositionEventArgs.cs
- Decoder.cs
- XPathParser.cs
- MatrixCamera.cs
- InvokeProviderWrapper.cs
- CmsInterop.cs
- WindowsAuthenticationEventArgs.cs
- Number.cs
- BufferModeSettings.cs
- ISFTagAndGuidCache.cs
- SelectionEditingBehavior.cs
- RMEnrollmentPage2.cs
- ToolStripSeparatorRenderEventArgs.cs
- DbParameterHelper.cs
- Span.cs
- WebPartMenuStyle.cs
- FormViewInsertedEventArgs.cs
- ReceiveReply.cs