Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / EntityContainerAssociationSetEnd.cs / 1305376 / EntityContainerAssociationSetEnd.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 element. /// internal sealed class EntityContainerAssociationSetEnd : EntityContainerRelationshipSetEnd { private string _unresolvedRelationshipEndRole; ////// Constructs an EntityContainerAssociationSetEnd /// /// Reference to the schema element. public EntityContainerAssociationSetEnd( EntityContainerAssociationSet parentElement ) : base( parentElement ) { } public string Role { get { return _unresolvedRelationshipEndRole; } set { _unresolvedRelationshipEndRole = value; } } public override string Name { get { return Role; } } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.Role)) { HandleRoleAttribute(reader); return true; } return false; } ////// This is the method that is called when an Role Attribute is encountered. /// /// The XmlRead positned at the extent attribute. private void HandleRoleAttribute( XmlReader reader ) { _unresolvedRelationshipEndRole = HandleUndottedNameAttribute( reader, _unresolvedRelationshipEndRole ); } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { base.ResolveTopLevelNames(); // resolve end name to the corosponding relationship end IRelationship relationship = ParentElement.Relationship; if ( relationship == null ) { // error already logged for this return; } } internal override void ResolveSecondLevelNames() { base.ResolveSecondLevelNames(); if (_unresolvedRelationshipEndRole == null && EntitySet != null) { // no role provided, infer it RelationshipEnd = InferRelationshipEnd(EntitySet); if (RelationshipEnd != null) { _unresolvedRelationshipEndRole = RelationshipEnd.Name; } } else if (_unresolvedRelationshipEndRole != null) { IRelationship relationship = ParentElement.Relationship; IRelationshipEnd end; if (relationship.TryGetEnd(_unresolvedRelationshipEndRole, out end)) { RelationshipEnd = end; } else { // couldn't find a matching relationship end for this RelationshipSet end AddError(ErrorCode.InvalidContainerTypeForEnd, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEntityEndName(Role, relationship.FQName)); } } } ////// If the role name is missing but an entity set is given, figure out what the /// relationship end should be /// /// The given EntitySet ///The appropriate relationship end private IRelationshipEnd InferRelationshipEnd( EntityContainerEntitySet set ) { Debug.Assert(set != null, "set parameter is null"); if ( ParentElement.Relationship == null ) { return null; } ListpossibleEnds = new List (); foreach ( IRelationshipEnd end in ParentElement.Relationship.Ends ) { if ( set.EntityType.IsOfType( end.Type ) ) { possibleEnds.Add( end ); } } if ( possibleEnds.Count == 1 ) { return possibleEnds[0]; } else if ( possibleEnds.Count == 0 ) { // no matchs AddError( ErrorCode.FailedInference, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InferRelationshipEndFailedNoEntitySetMatch( set.FQName, this.ParentElement.FQName, ParentElement.Relationship.FQName, set.EntityType.FQName, this.ParentElement.ParentElement.FQName ) ); } else { // ambiguous AddError( ErrorCode.FailedInference, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InferRelationshipEndAmbiguous( set.FQName, this.ParentElement.FQName, ParentElement.Relationship.FQName, set.EntityType.FQName, this.ParentElement.ParentElement.FQName)); } return null; } internal override SchemaElement Clone(SchemaElement parentElement) { EntityContainerAssociationSetEnd setEnd = new EntityContainerAssociationSetEnd((EntityContainerAssociationSet)parentElement); setEnd._unresolvedRelationshipEndRole = _unresolvedRelationshipEndRole; setEnd.EntitySet = this.EntitySet; return setEnd; } } } // 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 element. /// internal sealed class EntityContainerAssociationSetEnd : EntityContainerRelationshipSetEnd { private string _unresolvedRelationshipEndRole; ////// Constructs an EntityContainerAssociationSetEnd /// /// Reference to the schema element. public EntityContainerAssociationSetEnd( EntityContainerAssociationSet parentElement ) : base( parentElement ) { } public string Role { get { return _unresolvedRelationshipEndRole; } set { _unresolvedRelationshipEndRole = value; } } public override string Name { get { return Role; } } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.Role)) { HandleRoleAttribute(reader); return true; } return false; } ////// This is the method that is called when an Role Attribute is encountered. /// /// The XmlRead positned at the extent attribute. private void HandleRoleAttribute( XmlReader reader ) { _unresolvedRelationshipEndRole = HandleUndottedNameAttribute( reader, _unresolvedRelationshipEndRole ); } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { base.ResolveTopLevelNames(); // resolve end name to the corosponding relationship end IRelationship relationship = ParentElement.Relationship; if ( relationship == null ) { // error already logged for this return; } } internal override void ResolveSecondLevelNames() { base.ResolveSecondLevelNames(); if (_unresolvedRelationshipEndRole == null && EntitySet != null) { // no role provided, infer it RelationshipEnd = InferRelationshipEnd(EntitySet); if (RelationshipEnd != null) { _unresolvedRelationshipEndRole = RelationshipEnd.Name; } } else if (_unresolvedRelationshipEndRole != null) { IRelationship relationship = ParentElement.Relationship; IRelationshipEnd end; if (relationship.TryGetEnd(_unresolvedRelationshipEndRole, out end)) { RelationshipEnd = end; } else { // couldn't find a matching relationship end for this RelationshipSet end AddError(ErrorCode.InvalidContainerTypeForEnd, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEntityEndName(Role, relationship.FQName)); } } } ////// If the role name is missing but an entity set is given, figure out what the /// relationship end should be /// /// The given EntitySet ///The appropriate relationship end private IRelationshipEnd InferRelationshipEnd( EntityContainerEntitySet set ) { Debug.Assert(set != null, "set parameter is null"); if ( ParentElement.Relationship == null ) { return null; } ListpossibleEnds = new List (); foreach ( IRelationshipEnd end in ParentElement.Relationship.Ends ) { if ( set.EntityType.IsOfType( end.Type ) ) { possibleEnds.Add( end ); } } if ( possibleEnds.Count == 1 ) { return possibleEnds[0]; } else if ( possibleEnds.Count == 0 ) { // no matchs AddError( ErrorCode.FailedInference, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InferRelationshipEndFailedNoEntitySetMatch( set.FQName, this.ParentElement.FQName, ParentElement.Relationship.FQName, set.EntityType.FQName, this.ParentElement.ParentElement.FQName ) ); } else { // ambiguous AddError( ErrorCode.FailedInference, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InferRelationshipEndAmbiguous( set.FQName, this.ParentElement.FQName, ParentElement.Relationship.FQName, set.EntityType.FQName, this.ParentElement.ParentElement.FQName)); } return null; } internal override SchemaElement Clone(SchemaElement parentElement) { EntityContainerAssociationSetEnd setEnd = new EntityContainerAssociationSetEnd((EntityContainerAssociationSet)parentElement); setEnd._unresolvedRelationshipEndRole = _unresolvedRelationshipEndRole; setEnd.EntitySet = this.EntitySet; return setEnd; } } } // 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
- RegistrySecurity.cs
- DesignerAttribute.cs
- basecomparevalidator.cs
- EditorAttribute.cs
- CustomTypeDescriptor.cs
- HttpBrowserCapabilitiesWrapper.cs
- TypeSystem.cs
- OutKeywords.cs
- FunctionNode.cs
- ColumnWidthChangingEvent.cs
- httpstaticobjectscollection.cs
- TextBoxBase.cs
- ResourceKey.cs
- DrawTreeNodeEventArgs.cs
- CreateUserWizard.cs
- TextEditorSelection.cs
- AdRotatorDesigner.cs
- GridView.cs
- FieldBuilder.cs
- VarInfo.cs
- ComplexType.cs
- ButtonBaseAdapter.cs
- NotCondition.cs
- GacUtil.cs
- XmlQueryTypeFactory.cs
- TraceContext.cs
- DetailsViewAutoFormat.cs
- SolidBrush.cs
- RotateTransform.cs
- PathSegmentCollection.cs
- DbExpressionVisitor_TResultType.cs
- GcSettings.cs
- ADMembershipUser.cs
- InboundActivityHelper.cs
- ImportedNamespaceContextItem.cs
- RelationshipNavigation.cs
- ControlParser.cs
- SchemaImporterExtensionElement.cs
- WebPartExportVerb.cs
- ContractTypeNameCollection.cs
- Facet.cs
- ListViewGroupItemCollection.cs
- Timer.cs
- _ListenerAsyncResult.cs
- Condition.cs
- ConnectionPoolManager.cs
- BitSet.cs
- ConfigXmlComment.cs
- UnauthorizedWebPart.cs
- SQLConvert.cs
- IncrementalCompileAnalyzer.cs
- _ConnectOverlappedAsyncResult.cs
- DataRowCollection.cs
- baseaxisquery.cs
- GACIdentityPermission.cs
- RuntimeIdentifierPropertyAttribute.cs
- RangeContentEnumerator.cs
- ObjectQueryProvider.cs
- SystemInfo.cs
- _IPv6Address.cs
- MediaContextNotificationWindow.cs
- XMLSchema.cs
- FileDialog_Vista.cs
- ValidationErrorEventArgs.cs
- StringComparer.cs
- TypeConverterHelper.cs
- Point3DAnimation.cs
- UrlAuthorizationModule.cs
- TdsParserSessionPool.cs
- Line.cs
- EmptyStringExpandableObjectConverter.cs
- VBCodeProvider.cs
- StateRuntime.cs
- FileLoadException.cs
- GroupedContextMenuStrip.cs
- TextTreeTextBlock.cs
- DrawingVisual.cs
- XamlPathDataSerializer.cs
- List.cs
- AdapterDictionary.cs
- SafeRightsManagementSessionHandle.cs
- SiteMapDataSourceView.cs
- Substitution.cs
- PenThread.cs
- AssemblyName.cs
- Parsers.cs
- TCPListener.cs
- SqlColumnizer.cs
- UrlPath.cs
- RestHandler.cs
- IssuedTokenParametersEndpointAddressElement.cs
- ApplicationException.cs
- ReliableOutputConnection.cs
- HostedTcpTransportManager.cs
- Cursor.cs
- ValuePattern.cs
- GlyphInfoList.cs
- GetWinFXPath.cs
- ProtocolViolationException.cs
- SqlWebEventProvider.cs