Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / EntityKeyElement.cs / 2 / EntityKeyElement.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; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an Key element in an EntityType element. /// internal sealed class EntityKeyElement : SchemaElement { private List_keyProperties; /// /// Constructs an EntityContainerAssociationSetEnd /// /// Reference to the schema element. public EntityKeyElement( SchemaEntityType parentElement ) : base( parentElement ) { } public IListKeyProperties { get { if (_keyProperties == null) { _keyProperties = new List (); } return _keyProperties; } } protected override bool HandleAttribute(XmlReader reader) { return false; } protected override bool HandleElement(XmlReader reader) { if (base.HandleElement(reader)) { return true; } else if (CanHandleElement(reader, XmlConstants.PropertyRef)) { HandlePropertyRefElement(reader); return true; } return false; } /// /// /// /// private void HandlePropertyRefElement(XmlReader reader) { PropertyRefElement property = new PropertyRefElement((SchemaEntityType)ParentElement); property.Parse(reader); this.KeyProperties.Add(property); } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { Debug.Assert(_keyProperties != null, "xsd should have verified that there should be atleast one property ref element"); foreach (PropertyRefElement property in _keyProperties) { if (!property.ResolveNames((SchemaEntityType)this.ParentElement)) { AddError(ErrorCode.InvalidKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidKeyNoProperty(this.ParentElement.FQName, property.Name)); } } } ////// Validate all the key properties /// internal override void Validate() { Debug.Assert(_keyProperties != null, "xsd should have verified that there should be atleast one property ref element"); DictionarypropertyLookUp = new Dictionary (StringComparer.Ordinal); foreach (PropertyRefElement keyProperty in _keyProperties) { StructuredProperty property = keyProperty.Property; Debug.Assert(property != null, "This should never be null, since if we were not able to resolve, we should have never reached to this point"); if (propertyLookUp.ContainsKey(property.Name)) { AddError(ErrorCode.DuplicatePropertySpecifiedInEntityKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DuplicatePropertyNameSpecifiedInEntityKey(this.ParentElement.FQName, property.Name)); continue; } propertyLookUp.Add(property.Name, keyProperty); if (property.Nullable) { AddError(ErrorCode.InvalidKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidKeyNullablePart(property.Name, this.ParentElement.Name)); } // currently we only support key properties of scalar type if ((!(property.Type is ScalarType)) || (property.CollectionKind != CollectionKind.None)) { AddError(ErrorCode.EntityKeyMustBeScalar, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.EntityKeyMustBeScalar(property.Name, this.ParentElement.Name)); continue; } Debug.Assert(property.TypeUsage != null, "For scalar type, typeusage must be initialized"); // Bug 484200: Binary type key properties are currently not supported. PrimitiveTypeKind kind = ((PrimitiveType)property.TypeUsage.EdmType).PrimitiveTypeKind; if (!Helper.IsValidKeyType(kind)) { if (Schema.DataModel == SchemaDataModelOption.EntityDataModel) { AddError(ErrorCode.BinaryEntityKeyCurrentlyNotSupported, EdmSchemaErrorSeverity.Error, Strings.EntityKeyTypeCurrentlyNotSupported(property.Name, this.ParentElement.FQName, kind)); } else { Debug.Assert(SchemaDataModelOption.ProviderDataModel == Schema.DataModel, "Invalid DataModel encountered"); AddError(ErrorCode.BinaryEntityKeyCurrentlyNotSupported, EdmSchemaErrorSeverity.Error, Strings.EntityKeyTypeCurrentlyNotSupportedInSSDL(property.Name, this.ParentElement.FQName, property.TypeUsage.EdmType.Name, property.TypeUsage.EdmType.BaseType.FullName, kind)); } } } } } } // 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; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an Key element in an EntityType element. /// internal sealed class EntityKeyElement : SchemaElement { private List_keyProperties; /// /// Constructs an EntityContainerAssociationSetEnd /// /// Reference to the schema element. public EntityKeyElement( SchemaEntityType parentElement ) : base( parentElement ) { } public IListKeyProperties { get { if (_keyProperties == null) { _keyProperties = new List (); } return _keyProperties; } } protected override bool HandleAttribute(XmlReader reader) { return false; } protected override bool HandleElement(XmlReader reader) { if (base.HandleElement(reader)) { return true; } else if (CanHandleElement(reader, XmlConstants.PropertyRef)) { HandlePropertyRefElement(reader); return true; } return false; } /// /// /// /// private void HandlePropertyRefElement(XmlReader reader) { PropertyRefElement property = new PropertyRefElement((SchemaEntityType)ParentElement); property.Parse(reader); this.KeyProperties.Add(property); } ////// Used during the resolve phase to resolve the type name to the object that represents that type /// internal override void ResolveTopLevelNames() { Debug.Assert(_keyProperties != null, "xsd should have verified that there should be atleast one property ref element"); foreach (PropertyRefElement property in _keyProperties) { if (!property.ResolveNames((SchemaEntityType)this.ParentElement)) { AddError(ErrorCode.InvalidKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidKeyNoProperty(this.ParentElement.FQName, property.Name)); } } } ////// Validate all the key properties /// internal override void Validate() { Debug.Assert(_keyProperties != null, "xsd should have verified that there should be atleast one property ref element"); DictionarypropertyLookUp = new Dictionary (StringComparer.Ordinal); foreach (PropertyRefElement keyProperty in _keyProperties) { StructuredProperty property = keyProperty.Property; Debug.Assert(property != null, "This should never be null, since if we were not able to resolve, we should have never reached to this point"); if (propertyLookUp.ContainsKey(property.Name)) { AddError(ErrorCode.DuplicatePropertySpecifiedInEntityKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.DuplicatePropertyNameSpecifiedInEntityKey(this.ParentElement.FQName, property.Name)); continue; } propertyLookUp.Add(property.Name, keyProperty); if (property.Nullable) { AddError(ErrorCode.InvalidKey, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidKeyNullablePart(property.Name, this.ParentElement.Name)); } // currently we only support key properties of scalar type if ((!(property.Type is ScalarType)) || (property.CollectionKind != CollectionKind.None)) { AddError(ErrorCode.EntityKeyMustBeScalar, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.EntityKeyMustBeScalar(property.Name, this.ParentElement.Name)); continue; } Debug.Assert(property.TypeUsage != null, "For scalar type, typeusage must be initialized"); // Bug 484200: Binary type key properties are currently not supported. PrimitiveTypeKind kind = ((PrimitiveType)property.TypeUsage.EdmType).PrimitiveTypeKind; if (!Helper.IsValidKeyType(kind)) { if (Schema.DataModel == SchemaDataModelOption.EntityDataModel) { AddError(ErrorCode.BinaryEntityKeyCurrentlyNotSupported, EdmSchemaErrorSeverity.Error, Strings.EntityKeyTypeCurrentlyNotSupported(property.Name, this.ParentElement.FQName, kind)); } else { Debug.Assert(SchemaDataModelOption.ProviderDataModel == Schema.DataModel, "Invalid DataModel encountered"); AddError(ErrorCode.BinaryEntityKeyCurrentlyNotSupported, EdmSchemaErrorSeverity.Error, Strings.EntityKeyTypeCurrentlyNotSupportedInSSDL(property.Name, this.ParentElement.FQName, property.TypeUsage.EdmType.Name, property.TypeUsage.EdmType.BaseType.FullName, kind)); } } } } } } // 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
- StateManagedCollection.cs
- MediaScriptCommandRoutedEventArgs.cs
- ObsoleteAttribute.cs
- DbConnectionOptions.cs
- HybridObjectCache.cs
- ConfigXmlCDataSection.cs
- SystemSounds.cs
- NumberFunctions.cs
- ListCollectionView.cs
- Mutex.cs
- CodeExporter.cs
- CollectionAdapters.cs
- AddDataControlFieldDialog.cs
- TextSearch.cs
- ToolStripSplitButton.cs
- WeakEventTable.cs
- TextBoxLine.cs
- EntityDataSource.cs
- InternalPolicyElement.cs
- ScrollItemPattern.cs
- SharedPersonalizationStateInfo.cs
- EditorPartCollection.cs
- RemoteWebConfigurationHostServer.cs
- EntitySetBaseCollection.cs
- FusionWrap.cs
- MonitorWrapper.cs
- WindowsIdentity.cs
- CompilerTypeWithParams.cs
- WindowsUpDown.cs
- CombinedTcpChannel.cs
- TableParagraph.cs
- RewritingValidator.cs
- SessionPageStateSection.cs
- SerTrace.cs
- CompilerErrorCollection.cs
- StringAnimationBase.cs
- Win32.cs
- SqlHelper.cs
- DataGridSortCommandEventArgs.cs
- CoreSwitches.cs
- DataFormats.cs
- WebPartVerb.cs
- MoveSizeWinEventHandler.cs
- ProtectedConfigurationSection.cs
- SequenceFullException.cs
- ExtendedProtectionPolicy.cs
- DataServiceResponse.cs
- OutputCacheSection.cs
- Panel.cs
- PointHitTestResult.cs
- QilXmlWriter.cs
- ToolStripScrollButton.cs
- KeyValueConfigurationCollection.cs
- LabelDesigner.cs
- RightsManagementEncryptionTransform.cs
- SecurityNegotiationException.cs
- TypeBuilderInstantiation.cs
- DesignRelationCollection.cs
- XmlSerializerFormatAttribute.cs
- NavigationEventArgs.cs
- StreamResourceInfo.cs
- NumericExpr.cs
- StateFinalizationActivity.cs
- FeatureSupport.cs
- GestureRecognitionResult.cs
- SamlAuthenticationClaimResource.cs
- SubMenuStyleCollection.cs
- Assembly.cs
- NodeLabelEditEvent.cs
- ProvideValueServiceProvider.cs
- DPAPIProtectedConfigurationProvider.cs
- FontStyles.cs
- QuaternionConverter.cs
- DoubleSumAggregationOperator.cs
- ServicePointManagerElement.cs
- bindurihelper.cs
- ThousandthOfEmRealDoubles.cs
- DataServiceRequestException.cs
- PreviousTrackingServiceAttribute.cs
- SqlTypeConverter.cs
- GeometryConverter.cs
- ObjectKeyFrameCollection.cs
- RegistryPermission.cs
- OdbcConnection.cs
- SQLInt16Storage.cs
- ListViewItem.cs
- BoundField.cs
- InternalMappingException.cs
- CompositeActivityMarkupSerializer.cs
- Separator.cs
- DrawingContextWalker.cs
- DesignerToolStripControlHost.cs
- TextViewElement.cs
- HashAlgorithm.cs
- IsolatedStorageFilePermission.cs
- ListSourceHelper.cs
- EventDescriptor.cs
- PageVisual.cs
- KeyFrames.cs
- WebHttpSecurity.cs