Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / 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
- MenuCommandsChangedEventArgs.cs
- OdbcTransaction.cs
- EncryptedHeader.cs
- UmAlQuraCalendar.cs
- ErrorWrapper.cs
- SoapSchemaMember.cs
- followingsibling.cs
- Substitution.cs
- StringOutput.cs
- SqlUserDefinedTypeAttribute.cs
- PTUtility.cs
- ControlAdapter.cs
- _NetworkingPerfCounters.cs
- SBCSCodePageEncoding.cs
- DataGridToolTip.cs
- EditorPartCollection.cs
- InfoCardSymmetricCrypto.cs
- DownloadProgressEventArgs.cs
- DataGridViewColumnDesignTimeVisibleAttribute.cs
- StringResourceManager.cs
- SqlFactory.cs
- FilteredAttributeCollection.cs
- BuilderPropertyEntry.cs
- AnnotationMap.cs
- XPathException.cs
- OperationInfoBase.cs
- TableLayoutSettingsTypeConverter.cs
- ToolStripControlHost.cs
- AmbientValueAttribute.cs
- PermissionRequestEvidence.cs
- TextWriterTraceListener.cs
- EmptyEnumerable.cs
- PointHitTestResult.cs
- SystemIcons.cs
- DelayedRegex.cs
- DelegateHelpers.cs
- DigitShape.cs
- AccessViolationException.cs
- NativeMethods.cs
- PickBranchDesigner.xaml.cs
- WebBrowserNavigatingEventHandler.cs
- XPathDocument.cs
- SqlDataSourceCommandEventArgs.cs
- Highlights.cs
- SystemInfo.cs
- CodeSubDirectory.cs
- WhitespaceRule.cs
- WeakHashtable.cs
- CultureSpecificStringDictionary.cs
- ParameterCollection.cs
- FunctionImportElement.cs
- StringSorter.cs
- BevelBitmapEffect.cs
- RegexCode.cs
- AssemblyCache.cs
- CompilerScope.cs
- SchemaElementLookUpTableEnumerator.cs
- Camera.cs
- TimeSpanFormat.cs
- XmlNode.cs
- VideoDrawing.cs
- SettingsSection.cs
- WindowsGrip.cs
- HtmlTextViewAdapter.cs
- XmlSchemaSimpleContentRestriction.cs
- FilterException.cs
- DBDataPermissionAttribute.cs
- GcHandle.cs
- BorderGapMaskConverter.cs
- PiiTraceSource.cs
- BamlWriter.cs
- IDReferencePropertyAttribute.cs
- ContainerParagraph.cs
- SrgsText.cs
- RemoveStoryboard.cs
- FrameworkElementFactory.cs
- MenuCommand.cs
- RtfFormatStack.cs
- SamlDoNotCacheCondition.cs
- DependencySource.cs
- StylusPlugInCollection.cs
- MessageEncodingBindingElement.cs
- XamlSerializerUtil.cs
- WmlCommandAdapter.cs
- TabPage.cs
- VectorAnimationBase.cs
- dataprotectionpermissionattribute.cs
- XmlIlVisitor.cs
- DataGridAddNewRow.cs
- AddInActivator.cs
- TextDecoration.cs
- Vector3DValueSerializer.cs
- ProcessInfo.cs
- RequestNavigateEventArgs.cs
- PreDigestedSignedInfo.cs
- SqlTypeSystemProvider.cs
- ConditionValidator.cs
- PartManifestEntry.cs
- BitmapDecoder.cs
- OptimalTextSource.cs