Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / EntityKeyElement.cs / 1 / 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
- AsyncContentLoadedEventArgs.cs
- SplineQuaternionKeyFrame.cs
- VisualBrush.cs
- ResolveCriteria.cs
- IgnoreSectionHandler.cs
- ToolCreatedEventArgs.cs
- Command.cs
- MyContact.cs
- PeerPresenceInfo.cs
- GradientStop.cs
- XmlProcessingInstruction.cs
- SkewTransform.cs
- Columns.cs
- ServiceObjectContainer.cs
- EditingCommands.cs
- SafeSecurityHelper.cs
- ImageAutomationPeer.cs
- ArrayHelper.cs
- XamlUtilities.cs
- XmlElementList.cs
- DynamicValidatorEventArgs.cs
- GetRecipientListRequest.cs
- HandlerBase.cs
- MemberProjectedSlot.cs
- RootAction.cs
- LocatorGroup.cs
- IdentifierService.cs
- PropertyValueChangedEvent.cs
- SoapEnumAttribute.cs
- HtmlImage.cs
- DataGridViewCellParsingEventArgs.cs
- DataKey.cs
- IOThreadTimer.cs
- SelectionRangeConverter.cs
- AnimatedTypeHelpers.cs
- SqlEnums.cs
- DataTemplateSelector.cs
- AuthenticateEventArgs.cs
- SourceFileBuildProvider.cs
- MobileControlPersister.cs
- GridViewRowCollection.cs
- _ConnectOverlappedAsyncResult.cs
- HostingEnvironment.cs
- LocalFileSettingsProvider.cs
- UInt16Converter.cs
- LocalizableResourceBuilder.cs
- MtomMessageEncoder.cs
- VerificationAttribute.cs
- NullNotAllowedCollection.cs
- DataControlFieldHeaderCell.cs
- ADConnectionHelper.cs
- ProfileProvider.cs
- WindowsPrincipal.cs
- StorageInfo.cs
- JpegBitmapDecoder.cs
- FrameworkElement.cs
- ElementMarkupObject.cs
- ObjectMemberMapping.cs
- Task.cs
- ValidatorAttribute.cs
- SQLDoubleStorage.cs
- PassportPrincipal.cs
- ScriptIgnoreAttribute.cs
- WebPartConnectionCollection.cs
- TextSimpleMarkerProperties.cs
- Crypto.cs
- SqlDataSourceView.cs
- Pkcs7Recipient.cs
- grammarelement.cs
- Timeline.cs
- BodyWriter.cs
- ComboBoxAutomationPeer.cs
- JournalEntryStack.cs
- ObjectListDataBindEventArgs.cs
- QilXmlWriter.cs
- TrackingLocationCollection.cs
- ListViewPagedDataSource.cs
- SystemFonts.cs
- ProfileParameter.cs
- TTSEvent.cs
- Int32AnimationBase.cs
- AddressAlreadyInUseException.cs
- LinkLabelLinkClickedEvent.cs
- WebPartTransformerAttribute.cs
- SamlAssertion.cs
- SystemNetworkInterface.cs
- RuntimeHandles.cs
- CommandHelper.cs
- StackOverflowException.cs
- CTreeGenerator.cs
- CasesDictionary.cs
- XmlCharacterData.cs
- IPAddressCollection.cs
- XsltContext.cs
- Component.cs
- CustomPopupPlacement.cs
- SqlFacetAttribute.cs
- InstanceKeyCollisionException.cs
- TripleDESCryptoServiceProvider.cs
- XmlStreamNodeWriter.cs