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
- RSAOAEPKeyExchangeFormatter.cs
- AuthenticationService.cs
- ExecutionContext.cs
- LinearKeyFrames.cs
- AutomationTextAttribute.cs
- AssociationSetEnd.cs
- SystemDropShadowChrome.cs
- LinqDataSourceInsertEventArgs.cs
- XmlLoader.cs
- MsmqDecodeHelper.cs
- Pkcs7Recipient.cs
- SafeMemoryMappedViewHandle.cs
- ColorIndependentAnimationStorage.cs
- DocumentViewerHelper.cs
- ZipIOLocalFileBlock.cs
- EdmSchemaAttribute.cs
- CodeTypeMemberCollection.cs
- XmlBindingWorker.cs
- PathBox.cs
- MetadataProperty.cs
- PrincipalPermission.cs
- NameValueConfigurationCollection.cs
- ResourcePropertyMemberCodeDomSerializer.cs
- StateBag.cs
- MemoryStream.cs
- TrackingMemoryStream.cs
- CompilationLock.cs
- EncoderParameters.cs
- _NativeSSPI.cs
- DispatcherProcessingDisabled.cs
- IApplicationTrustManager.cs
- DbSetClause.cs
- InsufficientExecutionStackException.cs
- PathFigureCollection.cs
- TextAutomationPeer.cs
- RoleGroupCollection.cs
- MeasurementDCInfo.cs
- DbParameterCollectionHelper.cs
- UrlMapping.cs
- CodeChecksumPragma.cs
- PropertyDescriptor.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- MultiAsyncResult.cs
- FacetValueContainer.cs
- Mutex.cs
- figurelength.cs
- DataGridViewUtilities.cs
- WebHttpBindingCollectionElement.cs
- CodeSubDirectory.cs
- TextLineResult.cs
- PathSegmentCollection.cs
- ParameterCollection.cs
- RequestDescription.cs
- CapabilitiesState.cs
- ThumbButtonInfo.cs
- _KerberosClient.cs
- PropertyDescriptors.cs
- X509PeerCertificateAuthenticationElement.cs
- DoubleLink.cs
- ServicePointManagerElement.cs
- PointLightBase.cs
- Ref.cs
- TrustVersion.cs
- MetadataWorkspace.cs
- FixedStringLookup.cs
- StringToken.cs
- MatchAllMessageFilter.cs
- Privilege.cs
- ResourceExpressionBuilder.cs
- EmptyArray.cs
- ControlCachePolicy.cs
- ImageKeyConverter.cs
- SettingsContext.cs
- Header.cs
- TableItemPatternIdentifiers.cs
- KeyEvent.cs
- HtmlControlPersistable.cs
- SizeIndependentAnimationStorage.cs
- MessageDecoder.cs
- HwndHostAutomationPeer.cs
- RawStylusInputCustomData.cs
- TemplateAction.cs
- WebPartConnectionsConnectVerb.cs
- RenderingBiasValidation.cs
- XmlComplianceUtil.cs
- IntSecurity.cs
- AsyncResult.cs
- SymbolEqualComparer.cs
- FormatVersion.cs
- AutomationTextAttribute.cs
- Opcode.cs
- DataRowView.cs
- SessionEndingCancelEventArgs.cs
- TargetConverter.cs
- OracleRowUpdatedEventArgs.cs
- SmiEventStream.cs
- FileAuthorizationModule.cs
- Panel.cs
- UICuesEvent.cs
- VisualStateGroup.cs