Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Query / InternalTrees / ExplicitDiscriminatorMap.cs / 1 / ExplicitDiscriminatorMap.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Metadata.Edm; using System.Collections.Generic; using System.Linq; namespace System.Data.Query.InternalTrees { ////// Describes user-defined discriminator metadata (e.g. for a basic TPH mapping). Encapsulates /// relevant data from System.Data.Mapping.ViewGenerabetion.DiscriminatorMap (that is to say, /// data relevant to the PlanCompiler). This separate class accomplishes two things: /// /// 1. Maintain separation of ViewGen and PlanCompiler /// 2. Avoid holding references to CQT expressions in ITree ops (which the ViewGen.DiscriminatorMap /// holds a few CQT references) /// internal class ExplicitDiscriminatorMap { private readonly System.Collections.ObjectModel.ReadOnlyCollection> m_typeMap; private readonly EdmMember m_discriminatorProperty; private readonly System.Collections.ObjectModel.ReadOnlyCollection m_properties; internal ExplicitDiscriminatorMap(System.Data.Mapping.ViewGeneration.DiscriminatorMap template) { m_typeMap = template.TypeMap; m_discriminatorProperty = template.Discriminator.Property; m_properties = template.PropertyMap.Select(propertyValuePair => propertyValuePair.Key) .ToList().AsReadOnly(); } /// /// Maps from discriminator value to type. /// internal System.Collections.ObjectModel.ReadOnlyCollection> TypeMap { get { return m_typeMap; } } /// /// Gets property containing discriminator value. /// internal EdmMember DiscriminatorProperty { get { return m_discriminatorProperty; } } ////// All properties for the type hierarchy. /// internal System.Collections.ObjectModel.ReadOnlyCollectionProperties { get { return m_properties; } } /// /// Returns the type id for the given entity type, or null if non exists. /// internal object GetTypeId(EntityType entityType) { object result = null; foreach (var discriminatorTypePair in this.TypeMap) { if (discriminatorTypePair.Value.EdmEquals(entityType)) { result = discriminatorTypePair.Key; break; } } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Metadata.Edm; using System.Collections.Generic; using System.Linq; namespace System.Data.Query.InternalTrees { ////// Describes user-defined discriminator metadata (e.g. for a basic TPH mapping). Encapsulates /// relevant data from System.Data.Mapping.ViewGenerabetion.DiscriminatorMap (that is to say, /// data relevant to the PlanCompiler). This separate class accomplishes two things: /// /// 1. Maintain separation of ViewGen and PlanCompiler /// 2. Avoid holding references to CQT expressions in ITree ops (which the ViewGen.DiscriminatorMap /// holds a few CQT references) /// internal class ExplicitDiscriminatorMap { private readonly System.Collections.ObjectModel.ReadOnlyCollection> m_typeMap; private readonly EdmMember m_discriminatorProperty; private readonly System.Collections.ObjectModel.ReadOnlyCollection m_properties; internal ExplicitDiscriminatorMap(System.Data.Mapping.ViewGeneration.DiscriminatorMap template) { m_typeMap = template.TypeMap; m_discriminatorProperty = template.Discriminator.Property; m_properties = template.PropertyMap.Select(propertyValuePair => propertyValuePair.Key) .ToList().AsReadOnly(); } /// /// Maps from discriminator value to type. /// internal System.Collections.ObjectModel.ReadOnlyCollection> TypeMap { get { return m_typeMap; } } /// /// Gets property containing discriminator value. /// internal EdmMember DiscriminatorProperty { get { return m_discriminatorProperty; } } ////// All properties for the type hierarchy. /// internal System.Collections.ObjectModel.ReadOnlyCollectionProperties { get { return m_properties; } } /// /// Returns the type id for the given entity type, or null if non exists. /// internal object GetTypeId(EntityType entityType) { object result = null; foreach (var discriminatorTypePair in this.TypeMap) { if (discriminatorTypePair.Value.EdmEquals(entityType)) { result = discriminatorTypePair.Key; break; } } return result; } } } // 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
- DashStyle.cs
- ConstrainedDataObject.cs
- FloaterParaClient.cs
- EntitySetRetriever.cs
- CodeCastExpression.cs
- BinaryWriter.cs
- CustomValidator.cs
- StringAnimationUsingKeyFrames.cs
- SafeNativeMethods.cs
- VirtualDirectoryMappingCollection.cs
- TableLayoutSettingsTypeConverter.cs
- DiagnosticsConfigurationHandler.cs
- AsyncCodeActivityContext.cs
- DrawingAttributeSerializer.cs
- NodeCounter.cs
- CallbackBehaviorAttribute.cs
- StackSpiller.Bindings.cs
- SQLMoneyStorage.cs
- WebPartConnectVerb.cs
- SpecialFolderEnumConverter.cs
- QilFunction.cs
- Msec.cs
- CleanUpVirtualizedItemEventArgs.cs
- PreviewKeyDownEventArgs.cs
- XmlnsDefinitionAttribute.cs
- DataGridCellInfo.cs
- AnnotationResourceCollection.cs
- OSEnvironmentHelper.cs
- FreeFormPanel.cs
- PageSettings.cs
- CompareInfo.cs
- ByteRangeDownloader.cs
- XmlNullResolver.cs
- RulePatternOps.cs
- SessionSymmetricTransportSecurityProtocolFactory.cs
- Transform.cs
- QueueException.cs
- SvcMapFileLoader.cs
- NullReferenceException.cs
- ApplicationDirectoryMembershipCondition.cs
- BitmapMetadataBlob.cs
- NonSerializedAttribute.cs
- DescendantBaseQuery.cs
- DuplexClientBase.cs
- QuotedPrintableStream.cs
- FolderBrowserDialogDesigner.cs
- IChannel.cs
- CreateUserWizard.cs
- KeyValueInternalCollection.cs
- ExternalFile.cs
- basenumberconverter.cs
- BooleanFunctions.cs
- XmlCharCheckingWriter.cs
- httpapplicationstate.cs
- TextRunCacheImp.cs
- ChangeTracker.cs
- ParallelRangeManager.cs
- ValidationRule.cs
- NumberFormatter.cs
- SpnEndpointIdentityExtension.cs
- RegistrationContext.cs
- GroupByQueryOperator.cs
- Object.cs
- OneOfConst.cs
- Random.cs
- ActivityCodeGenerator.cs
- SchemaObjectWriter.cs
- DecoderNLS.cs
- BuilderInfo.cs
- dbenumerator.cs
- SqlDataReader.cs
- JulianCalendar.cs
- FileCodeGroup.cs
- XmlNamespaceDeclarationsAttribute.cs
- ProviderException.cs
- ProfileInfo.cs
- TimeSpanValidatorAttribute.cs
- Exceptions.cs
- OptimizerPatterns.cs
- OutputScopeManager.cs
- WebPartConnectionsDisconnectVerb.cs
- ToolStripDropDownMenu.cs
- ComponentEvent.cs
- TraceEventCache.cs
- Registry.cs
- Track.cs
- KeyboardEventArgs.cs
- EmbeddedMailObject.cs
- WmlFormAdapter.cs
- MetadataItemEmitter.cs
- HttpResponseBase.cs
- ExportOptions.cs
- ProxyWebPartConnectionCollection.cs
- LateBoundBitmapDecoder.cs
- Converter.cs
- RelationshipType.cs
- WebSysDisplayNameAttribute.cs
- DocumentApplicationDocumentViewer.cs
- DataKey.cs
- TextEffect.cs