Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / EntityContainerRelationshipSetEnd.cs / 2 / EntityContainerRelationshipSetEnd.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Xml; using System.Data; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an RelationshipSetEnd element. /// internal class EntityContainerRelationshipSetEnd : SchemaElement { private IRelationshipEnd _relationshipEnd; private string _unresolvedEntitySetName; private EntityContainerEntitySet _entitySet; ////// Constructs an EntityContainerRelationshipSetEnd /// /// Reference to the schema element. public EntityContainerRelationshipSetEnd( EntityContainerRelationshipSet parentElement ) : base( parentElement ) { } ////// the End in the parent’s Association that this element refers to /// public IRelationshipEnd RelationshipEnd { get { return _relationshipEnd; } internal set { _relationshipEnd = value; } } public EntityContainerEntitySet EntitySet { get { return _entitySet; } internal set { _entitySet = value; } } protected override bool ProhibitAttribute(string namespaceUri, string localName) { if (base.ProhibitAttribute(namespaceUri, localName)) { return true; } if (namespaceUri == null && localName == XmlConstants.Name) { return false; } return false; } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.EntitySet)) { HandleEntitySetAttribute(reader); return true; } return false; } ////// This is the method that is called when an EntitySet Attribute is encountered. /// /// The XmlRead positned at the extent attribute. private void HandleEntitySetAttribute( XmlReader reader ) { if (Schema.DataModel == SchemaDataModelOption.ProviderDataModel) { // ssdl will take anything, because this is the table name, and we // can't predict what the vendor will need in a table name _unresolvedEntitySetName = reader.Value; } else { _unresolvedEntitySetName = HandleUndottedNameAttribute(reader, _unresolvedEntitySetName); } } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { base.ResolveTopLevelNames(); if ( _entitySet == null ) { _entitySet = this.ParentElement.ParentElement.FindEntitySet( _unresolvedEntitySetName ); if ( _entitySet == null ) { AddError( ErrorCode.InvalidEndEntitySet, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEntitySetNameReference(_unresolvedEntitySetName, Name ) ); } } } ////// Do all validation for this element here, and delegate to all sub elements /// internal override void Validate() { base.Validate(); if ( _relationshipEnd == null || _entitySet == null ) { return; } // We need to allow 2 kind of scenarios: // 1> If you have a relationship type defined between Customer and Order, then you can have a association set in // which the Customer end refers to a Entity Set of type GoodCustomer where GoodCustomer type derives from Customer // 2> If you have a relationship type defined between GoodCustomer and Order, then you can have a relationship // set which GoodCustomer end refers to an entity set whose entity type is Customer (where GoodCustomer derives // from Customer). This scenario enables us to support scenarios where you want specific types in an entity set // to take part in a relationship. if ( !_relationshipEnd.Type.IsOfType( _entitySet.EntityType ) && !_entitySet.EntityType.IsOfType( _relationshipEnd.Type )) { AddError( ErrorCode.InvalidEndEntitySet, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEndEntitySetTypeMismatch(_relationshipEnd.Name ) ); } } ////// The parent element as an EntityContainerProperty /// internal new EntityContainerRelationshipSet ParentElement { get { return (EntityContainerRelationshipSet)( base.ParentElement ); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Xml; using System.Data; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an RelationshipSetEnd element. /// internal class EntityContainerRelationshipSetEnd : SchemaElement { private IRelationshipEnd _relationshipEnd; private string _unresolvedEntitySetName; private EntityContainerEntitySet _entitySet; ////// Constructs an EntityContainerRelationshipSetEnd /// /// Reference to the schema element. public EntityContainerRelationshipSetEnd( EntityContainerRelationshipSet parentElement ) : base( parentElement ) { } ////// the End in the parent’s Association that this element refers to /// public IRelationshipEnd RelationshipEnd { get { return _relationshipEnd; } internal set { _relationshipEnd = value; } } public EntityContainerEntitySet EntitySet { get { return _entitySet; } internal set { _entitySet = value; } } protected override bool ProhibitAttribute(string namespaceUri, string localName) { if (base.ProhibitAttribute(namespaceUri, localName)) { return true; } if (namespaceUri == null && localName == XmlConstants.Name) { return false; } return false; } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.EntitySet)) { HandleEntitySetAttribute(reader); return true; } return false; } ////// This is the method that is called when an EntitySet Attribute is encountered. /// /// The XmlRead positned at the extent attribute. private void HandleEntitySetAttribute( XmlReader reader ) { if (Schema.DataModel == SchemaDataModelOption.ProviderDataModel) { // ssdl will take anything, because this is the table name, and we // can't predict what the vendor will need in a table name _unresolvedEntitySetName = reader.Value; } else { _unresolvedEntitySetName = HandleUndottedNameAttribute(reader, _unresolvedEntitySetName); } } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { base.ResolveTopLevelNames(); if ( _entitySet == null ) { _entitySet = this.ParentElement.ParentElement.FindEntitySet( _unresolvedEntitySetName ); if ( _entitySet == null ) { AddError( ErrorCode.InvalidEndEntitySet, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEntitySetNameReference(_unresolvedEntitySetName, Name ) ); } } } ////// Do all validation for this element here, and delegate to all sub elements /// internal override void Validate() { base.Validate(); if ( _relationshipEnd == null || _entitySet == null ) { return; } // We need to allow 2 kind of scenarios: // 1> If you have a relationship type defined between Customer and Order, then you can have a association set in // which the Customer end refers to a Entity Set of type GoodCustomer where GoodCustomer type derives from Customer // 2> If you have a relationship type defined between GoodCustomer and Order, then you can have a relationship // set which GoodCustomer end refers to an entity set whose entity type is Customer (where GoodCustomer derives // from Customer). This scenario enables us to support scenarios where you want specific types in an entity set // to take part in a relationship. if ( !_relationshipEnd.Type.IsOfType( _entitySet.EntityType ) && !_entitySet.EntityType.IsOfType( _relationshipEnd.Type )) { AddError( ErrorCode.InvalidEndEntitySet, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEndEntitySetTypeMismatch(_relationshipEnd.Name ) ); } } ////// The parent element as an EntityContainerProperty /// internal new EntityContainerRelationshipSet ParentElement { get { return (EntityContainerRelationshipSet)( base.ParentElement ); } } } } // 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
- ClientSponsor.cs
- DeclarativeExpressionConditionDeclaration.cs
- SafeNativeMethods.cs
- PasswordPropertyTextAttribute.cs
- SqlTypeSystemProvider.cs
- IItemContainerGenerator.cs
- ClockController.cs
- RawAppCommandInputReport.cs
- InvariantComparer.cs
- EntityDataSourceMemberPath.cs
- XmlQualifiedNameTest.cs
- MethodRental.cs
- BindingCompleteEventArgs.cs
- TextTreeNode.cs
- LocatorPart.cs
- SafeProcessHandle.cs
- _AutoWebProxyScriptEngine.cs
- DataGridRow.cs
- Vector3D.cs
- LeaseManager.cs
- BitmapPalette.cs
- EdmMember.cs
- SafeEventHandle.cs
- ScrollPattern.cs
- KernelTypeValidation.cs
- LoadedOrUnloadedOperation.cs
- SocketElement.cs
- Canvas.cs
- RulePatternOps.cs
- ScriptBehaviorDescriptor.cs
- ObsoleteAttribute.cs
- BinaryReader.cs
- XsltArgumentList.cs
- ExtendedProtectionPolicyTypeConverter.cs
- CategoryList.cs
- ComponentRenameEvent.cs
- RegistryConfigurationProvider.cs
- VisualStyleInformation.cs
- ViewManagerAttribute.cs
- SmtpMail.cs
- ClientApiGenerator.cs
- DockPatternIdentifiers.cs
- Utils.cs
- InvalidEnumArgumentException.cs
- DataGridViewRowHeightInfoNeededEventArgs.cs
- ProxyWebPartManager.cs
- ClientApiGenerator.cs
- ServicePointManager.cs
- DataGridCommandEventArgs.cs
- DataSourceControl.cs
- CollectionViewSource.cs
- BitmapSourceSafeMILHandle.cs
- LoginView.cs
- EmbeddedMailObject.cs
- InspectionWorker.cs
- RegexParser.cs
- ProfilePropertySettingsCollection.cs
- SkewTransform.cs
- ScriptControl.cs
- SessionStateUtil.cs
- FontConverter.cs
- CallTemplateAction.cs
- Automation.cs
- Int64AnimationBase.cs
- FixedTextSelectionProcessor.cs
- Html32TextWriter.cs
- InputScopeConverter.cs
- XmlSchemaCompilationSettings.cs
- ZoneButton.cs
- ComboBox.cs
- ExtendedProperty.cs
- TransformProviderWrapper.cs
- InternalMappingException.cs
- SourceItem.cs
- TdsParserStaticMethods.cs
- FileLevelControlBuilderAttribute.cs
- ObjectNotFoundException.cs
- PreservationFileWriter.cs
- ProviderCollection.cs
- AutomationElement.cs
- PeerIPHelper.cs
- TitleStyle.cs
- TemplateField.cs
- MarkupExtensionReturnTypeAttribute.cs
- ResourceCategoryAttribute.cs
- RawStylusActions.cs
- HMACSHA384.cs
- Thread.cs
- ConditionChanges.cs
- PaperSize.cs
- WebPartMenuStyle.cs
- ContextMenu.cs
- ExpressionEditorAttribute.cs
- HostedHttpRequestAsyncResult.cs
- ToolStripItemImageRenderEventArgs.cs
- DiscoveryDocumentLinksPattern.cs
- StylusEventArgs.cs
- HttpProfileGroupBase.cs
- FontEmbeddingManager.cs
- ConfigurationStrings.cs