Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / EntityContainerEntitySet.cs / 1305376 / EntityContainerEntitySet.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.Entity; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an EntitySet element. /// internal sealed class EntityContainerEntitySet : SchemaElement { private SchemaEntityType _entityType = null; private string _unresolvedEntityTypeName = null; private string _schema = null; private string _table = null; private EntityContainerEntitySetDefiningQuery _definingQueryElement = null; ////// Constructs an EntityContainerEntitySet /// /// Reference to the schema element. public EntityContainerEntitySet( EntityContainer parentElement ) : base( parentElement ) { } public SchemaEntityType EntityType { get { return _entityType; } } public string DbSchema { get { return _schema; } } public string Table { get { return _table; } } public string DefiningQuery { get { if (_definingQueryElement != null) { return _definingQueryElement.Query; } return null; } } protected override bool HandleElement(XmlReader reader) { if (base.HandleElement(reader)) { return true; } else if (Schema.DataModel == SchemaDataModelOption.ProviderDataModel) { if (CanHandleElement(reader, XmlConstants.DefiningQuery)) { HandleDefiningQueryElement(reader); return true; } } return false; } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.EntityType)) { HandleEntityTypeAttribute(reader); return true; } if (Schema.DataModel == SchemaDataModelOption.ProviderDataModel) { if (CanHandleAttribute(reader, XmlConstants.Schema)) { HandleDbSchemaAttribute(reader); return true; } else if (CanHandleAttribute(reader, XmlConstants.Table)) { HandleTableAttribute(reader); return true; } } return false; } private void HandleDefiningQueryElement(XmlReader reader) { Debug.Assert(reader != null); EntityContainerEntitySetDefiningQuery query = new EntityContainerEntitySetDefiningQuery(this); query.Parse(reader); _definingQueryElement = query; } protected override void HandleNameAttribute(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 Name = reader.Value; } else { base.HandleNameAttribute(reader); } } ////// The method that is called when a Type attribute is encountered. /// /// An XmlReader positioned at the Type attribute. private void HandleEntityTypeAttribute( XmlReader reader ) { Debug.Assert( reader != null ); ReturnValuevalue = HandleDottedNameAttribute( reader, _unresolvedEntityTypeName, Strings.PropertyTypeAlreadyDefined ); if ( value.Succeeded ) { _unresolvedEntityTypeName = value.Value; } } /// /// The method that is called when a DbSchema attribute is encountered. /// /// An XmlReader positioned at the Type attribute. private void HandleDbSchemaAttribute( XmlReader reader ) { Debug.Assert(Schema.DataModel == SchemaDataModelOption.ProviderDataModel, "We shouldn't see this attribute unless we are parsing ssdl"); Debug.Assert( reader != null ); _schema = reader.Value; } ////// The method that is called when a DbTable attribute is encountered. /// /// An XmlReader positioned at the Type attribute. private void HandleTableAttribute( XmlReader reader ) { Debug.Assert(Schema.DataModel == SchemaDataModelOption.ProviderDataModel, "We shouldn't see this attribute unless we are parsing ssdl"); Debug.Assert( reader != null ); _table = reader.Value; } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { base.ResolveTopLevelNames(); if ( _entityType == null ) { SchemaType type = null; if ( ! Schema.ResolveTypeName( this, _unresolvedEntityTypeName, out type) ) { return; } _entityType = type as SchemaEntityType; if ( _entityType == null ) { AddError( ErrorCode.InvalidPropertyType, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidEntitySetType(_unresolvedEntityTypeName ) ); return; } } } internal override void Validate() { base.Validate(); if (_entityType.KeyProperties.Count == 0) { AddError(ErrorCode.EntitySetTypeHasNoKeys, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.EntitySetTypeHasNoKeys(Name, _entityType.FQName)); } if (_definingQueryElement != null) { _definingQueryElement.Validate(); if (DbSchema != null || Table != null) { AddError(ErrorCode.TableAndSchemaAreMutuallyExclusiveWithDefiningQuery, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.TableAndSchemaAreMutuallyExclusiveWithDefiningQuery(FQName)); } } } internal override SchemaElement Clone(SchemaElement parentElement) { EntityContainerEntitySet entitySet = new EntityContainerEntitySet((EntityContainer)parentElement); entitySet._definingQueryElement = this._definingQueryElement; entitySet._entityType = this._entityType; entitySet._schema = this._schema; entitySet._table = this._table; entitySet.Name = this.Name; return entitySet; } } } // 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
- Hash.cs
- SQLStringStorage.cs
- Visual.cs
- AppDomainCompilerProxy.cs
- TextClipboardData.cs
- AutomationProperty.cs
- CharacterString.cs
- RowParagraph.cs
- OrderedDictionaryStateHelper.cs
- HandledEventArgs.cs
- StrokeNodeOperations.cs
- SourceInterpreter.cs
- FrameworkElementFactory.cs
- MDIClient.cs
- Nodes.cs
- UnmanagedMemoryStream.cs
- SoapObjectInfo.cs
- RSAPKCS1SignatureFormatter.cs
- TreeNode.cs
- ResourceDescriptionAttribute.cs
- oledbmetadatacolumnnames.cs
- InputProcessorProfiles.cs
- ClientProxyGenerator.cs
- BamlLocalizer.cs
- ReservationCollection.cs
- ItemsControlAutomationPeer.cs
- SplitterEvent.cs
- ErrorStyle.cs
- KeyedHashAlgorithm.cs
- DataReceivedEventArgs.cs
- CodeRegionDirective.cs
- WhitespaceRuleReader.cs
- BufferedWebEventProvider.cs
- MatrixTransform3D.cs
- GetPageNumberCompletedEventArgs.cs
- FrameSecurityDescriptor.cs
- TextTreeRootNode.cs
- SHA512Managed.cs
- PromptEventArgs.cs
- Encoder.cs
- DataContractSet.cs
- DataIdProcessor.cs
- TemplateBamlTreeBuilder.cs
- StylusPointProperties.cs
- PresentationAppDomainManager.cs
- DynamicRenderer.cs
- SqlClientMetaDataCollectionNames.cs
- WebPartDescription.cs
- GenericEnumConverter.cs
- Relationship.cs
- XmlQueryTypeFactory.cs
- MenuItemBinding.cs
- StopRoutingHandler.cs
- SqlCrossApplyToCrossJoin.cs
- Repeater.cs
- DoWorkEventArgs.cs
- FileUpload.cs
- TransactionFilter.cs
- DbConnectionHelper.cs
- EditorPart.cs
- MarkerProperties.cs
- DataGridViewTopLeftHeaderCell.cs
- ServicePointManagerElement.cs
- ControlParameter.cs
- SizeChangedEventArgs.cs
- MessageSmuggler.cs
- ChildDocumentBlock.cs
- DataTransferEventArgs.cs
- GPRECTF.cs
- BitmapData.cs
- ImpersonationContext.cs
- WebBrowserBase.cs
- TreeView.cs
- DispatcherObject.cs
- JoinCqlBlock.cs
- BitmapCacheBrush.cs
- CardSpaceException.cs
- ParentControlDesigner.cs
- XpsResourceDictionary.cs
- DictionaryBase.cs
- DispatcherExceptionFilterEventArgs.cs
- FileLogRecordStream.cs
- UIElementAutomationPeer.cs
- Application.cs
- ActivityDesigner.cs
- ClientBuildManagerCallback.cs
- ProcessHostConfigUtils.cs
- EventWaitHandle.cs
- TextContainerHelper.cs
- InvalidPrinterException.cs
- Message.cs
- DelegatedStream.cs
- ChooseAction.cs
- KoreanLunisolarCalendar.cs
- Transactions.cs
- TypeConverterAttribute.cs
- ColumnWidthChangingEvent.cs
- BuildManager.cs
- SamlAttributeStatement.cs
- ParseChildrenAsPropertiesAttribute.cs