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
- MenuScrollingVisibilityConverter.cs
- ResponseBodyWriter.cs
- ModelItemCollectionImpl.cs
- COM2TypeInfoProcessor.cs
- TemplateControlBuildProvider.cs
- CachedFontFamily.cs
- ShaderEffect.cs
- CodeObjectCreateExpression.cs
- StreamSecurityUpgradeInitiatorBase.cs
- SingleAnimation.cs
- Set.cs
- TransactionScope.cs
- SwitchLevelAttribute.cs
- _Rfc2616CacheValidators.cs
- ClientTargetCollection.cs
- RoleManagerModule.cs
- ViewStateException.cs
- IDReferencePropertyAttribute.cs
- CompositeFontFamily.cs
- DynamicPropertyReader.cs
- HttpResponseInternalBase.cs
- TraceUtility.cs
- HMACSHA1.cs
- ComNativeDescriptor.cs
- MultiAsyncResult.cs
- TextTreeUndoUnit.cs
- SqlDependencyUtils.cs
- AspNetSynchronizationContext.cs
- ListViewDataItem.cs
- XmlUTF8TextWriter.cs
- ErrorTableItemStyle.cs
- MarginCollapsingState.cs
- ToolStripStatusLabel.cs
- TextEditorCharacters.cs
- IteratorFilter.cs
- ListControl.cs
- Transform.cs
- RemotingSurrogateSelector.cs
- BookmarkResumptionRecord.cs
- XmlIterators.cs
- TextServicesPropertyRanges.cs
- ObjectDataSourceMethodEventArgs.cs
- FontStyleConverter.cs
- TemplateBindingExtension.cs
- GenericEnumerator.cs
- DbProviderFactoriesConfigurationHandler.cs
- KeyValueConfigurationCollection.cs
- Slider.cs
- LineVisual.cs
- OracleConnectionFactory.cs
- ScriptingProfileServiceSection.cs
- UrlAuthorizationModule.cs
- CombinedTcpChannel.cs
- DesignBindingPicker.cs
- StateManagedCollection.cs
- ProgressBarAutomationPeer.cs
- GroupDescription.cs
- XmlSchemaSequence.cs
- ElapsedEventArgs.cs
- Viewport3DVisual.cs
- ContextQuery.cs
- ResourceSet.cs
- CultureData.cs
- DataSource.cs
- RequestCachePolicyConverter.cs
- GlyphElement.cs
- FullTrustAssembliesSection.cs
- ArraySet.cs
- UnauthorizedAccessException.cs
- Popup.cs
- SqlTriggerContext.cs
- CancelRequestedRecord.cs
- PrimaryKeyTypeConverter.cs
- ActivityInstanceReference.cs
- ItemCollection.cs
- ObjectHandle.cs
- ResourceAssociationType.cs
- IdentitySection.cs
- UnsupportedPolicyOptionsException.cs
- Vector.cs
- MethodBuilderInstantiation.cs
- TextShapeableCharacters.cs
- _OSSOCK.cs
- externdll.cs
- FileStream.cs
- IndexedGlyphRun.cs
- SoapClientProtocol.cs
- AVElementHelper.cs
- xml.cs
- VScrollProperties.cs
- ToolboxItemAttribute.cs
- SapiRecognizer.cs
- Variant.cs
- Section.cs
- MetadataArtifactLoaderComposite.cs
- LingerOption.cs
- Win32.cs
- EffectiveValueEntry.cs
- QilScopedVisitor.cs
- TreeView.cs