Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Design / system / Data / EntityModel / Emitters / MetadataItemEmitter.cs / 1305376 / MetadataItemEmitter.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.CodeDom; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Reflection; namespace System.Data.EntityModel.Emitters { internal abstract class MetadataItemEmitter : Emitter { private MetadataItem _item; protected MetadataItemEmitter(ClientApiGenerator generator, MetadataItem item) :base(generator) { Debug.Assert(item != null, "item is null"); _item = item; } protected MetadataItem Item { get { return _item; } } ////// Emitter-specific validation here /// protected abstract void Validate(); #region Operations for Getting Accessibility private const string CodeGenerationValueAccessibilityInternal = "Internal"; private const string CodeGenerationValueAccessibilityProtected = "Protected"; private const string CodeGenerationValueAccessibilityPublic = "Public"; private const string CodeGenerationValueAccessibilityPrivate = "Private"; #region Protected Block protected static MemberAttributes AccessibilityFromGettersAndSetters(EdmMember property) { MemberAttributes scope = MemberAttributes.Private; MemberAttributes getter = GetGetterAccessibility(property); if (IsLeftMoreAccessableThanRight(getter, scope)) { scope = getter; } MemberAttributes setter = GetSetterAccessibility(property); if (IsLeftMoreAccessableThanRight(setter, scope)) { scope = setter; } return scope; } protected static MemberAttributes GetGetterAccessibility(EdmMember item) { return GetAccessibilityValue(item, XmlConstants.GetterAccess); } protected static MemberAttributes GetSetterAccessibility(EdmMember item) { return GetAccessibilityValue(item, XmlConstants.SetterAccess); } protected static MemberAttributes GetEntitySetPropertyAccessibility(EntitySet item) { return GetAccessibilityValue(item, XmlConstants.GetterAccess); } protected static MemberAttributes GetEntityTypeAccessibility(EntityType item) { return GetAccessibilityValue(item, XmlConstants.TypeAccess); } protected static int GetAccessibilityRank(MemberAttributes accessibility) { Debug.Assert(accessibility == MemberAttributes.Private || accessibility == MemberAttributes.Public || accessibility == MemberAttributes.Assembly || accessibility == MemberAttributes.Family, "this method is intended to deal with only single access attributes"); switch (accessibility) { case MemberAttributes.Public: return 0; case MemberAttributes.Assembly: return 1; case MemberAttributes.Family: return 2; default: Debug.Assert(accessibility == MemberAttributes.Private, "did a new type get added?"); return 3; } } protected static TypeAttributes GetTypeAccessibilityValue(MetadataItem item) { TypeAttributes accessibilty = TypeAttributes.Public; MetadataProperty metadataProperty; if (item.MetadataProperties.TryGetValue(Utils.GetFullyQualifiedCodeGenerationAttributeName(XmlConstants.TypeAccess), false, out metadataProperty)) { accessibilty = GetCodeAccessibilityTypeAttribute(metadataProperty.Value.ToString()); } return accessibilty; } #endregion Protected #region Private Block private static MemberAttributes GetAccessibilityValue(MetadataItem item, string attribute) { MemberAttributes accessibilty = MemberAttributes.Public; MetadataProperty metadataProperty; if (item.MetadataProperties.TryGetValue(Utils.GetFullyQualifiedCodeGenerationAttributeName(attribute), false, out metadataProperty)) { accessibilty = GetCodeAccessibilityMemberAttribute(metadataProperty.Value.ToString()); } return accessibilty; } private static MemberAttributes GetCodeAccessibilityMemberAttribute(string accessibility) { Debug.Assert(accessibility != null, "why does accessibility == null?"); switch (accessibility) { case CodeGenerationValueAccessibilityInternal: return MemberAttributes.Assembly; case CodeGenerationValueAccessibilityPrivate: return MemberAttributes.Private; case CodeGenerationValueAccessibilityProtected: return MemberAttributes.Family; default: Debug.Assert(accessibility == CodeGenerationValueAccessibilityPublic, "found an accessibility other than " + CodeGenerationValueAccessibilityPublic); return MemberAttributes.Public; } } ////// Given a MemberAttribute, returns a string representation used in CSDL. /// For e.g: MemebrAttribtue.Family is Protected in our csdl, (protected in C#, Family in VB) /// Inverse of the method above (GetCodeAccessibilityMemberAttribute) /// protected static string GetAccessibilityCsdlStringFromMemberAttribute(MemberAttributes attribute) { switch (attribute) { case MemberAttributes.Assembly: return CodeGenerationValueAccessibilityInternal; case MemberAttributes.Private: return CodeGenerationValueAccessibilityPrivate; case MemberAttributes.Family: return CodeGenerationValueAccessibilityProtected; default: Debug.Assert(attribute == MemberAttributes.Public, "found MemberAttribute other than " + CodeGenerationValueAccessibilityPublic); return CodeGenerationValueAccessibilityPublic; } } private static bool IsLeftMoreAccessableThanRight(MemberAttributes left, MemberAttributes right) { return GetAccessibilityRank(left) < GetAccessibilityRank(right); } private static TypeAttributes GetCodeAccessibilityTypeAttribute(string accessibility) { Debug.Assert(accessibility != null, "why does accessibility == null?"); if (accessibility == CodeGenerationValueAccessibilityInternal || accessibility == CodeGenerationValueAccessibilityProtected) { return TypeAttributes.NotPublic; } else { Debug.Assert(accessibility == CodeGenerationValueAccessibilityPublic, "found an accessibility other than " + CodeGenerationValueAccessibilityPublic); return TypeAttributes.Public; } } #endregion Private #endregion Operations for getting Accessibility } } // 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
- MetabaseSettings.cs
- ArrayItemValue.cs
- DeflateEmulationStream.cs
- SymbolPair.cs
- GenericRootAutomationPeer.cs
- ForAllOperator.cs
- TextDecorationUnitValidation.cs
- TextServicesContext.cs
- ScrollChrome.cs
- SmtpNetworkElement.cs
- DefaultValueMapping.cs
- QueueProcessor.cs
- TrustManager.cs
- ButtonField.cs
- SqlDataAdapter.cs
- XPathPatternBuilder.cs
- WasHttpModulesInstallComponent.cs
- EventLogPermissionEntryCollection.cs
- MenuItem.cs
- WorkflowTimerService.cs
- SurrogateSelector.cs
- GrammarBuilderPhrase.cs
- DetailsViewUpdatedEventArgs.cs
- Variable.cs
- ByteStreamGeometryContext.cs
- DataGridViewCellCancelEventArgs.cs
- DesignerTransactionCloseEvent.cs
- ObjectViewFactory.cs
- DataListDesigner.cs
- DateBoldEvent.cs
- DataGridViewAutoSizeColumnModeEventArgs.cs
- BrushConverter.cs
- wgx_commands.cs
- StoragePropertyMapping.cs
- XsltInput.cs
- AxParameterData.cs
- ExceptionNotification.cs
- HwndSource.cs
- DeleteBookmarkScope.cs
- InfoCardCryptoHelper.cs
- MultiTrigger.cs
- Attribute.cs
- XmlSchemaAppInfo.cs
- NativeBuffer.cs
- MailDefinitionBodyFileNameEditor.cs
- InputManager.cs
- Internal.cs
- TrackBarRenderer.cs
- ApplicationActivator.cs
- CompleteWizardStep.cs
- HostProtectionPermission.cs
- XamlSerializerUtil.cs
- WorkflowServiceBuildProvider.cs
- basecomparevalidator.cs
- FaultCode.cs
- WebServiceTypeData.cs
- ProgramPublisher.cs
- UnsafeNativeMethods.cs
- SqlParameter.cs
- XmlBufferReader.cs
- Parser.cs
- ProcessHost.cs
- RtType.cs
- SQLBytes.cs
- IndentedTextWriter.cs
- TemplateDefinition.cs
- AddInAdapter.cs
- EntitySetBaseCollection.cs
- SmtpTransport.cs
- TextModifier.cs
- InputScopeAttribute.cs
- TransactionalPackage.cs
- OracleCommand.cs
- DefaultTraceListener.cs
- MultipleViewPattern.cs
- CompoundFileIOPermission.cs
- DefaultPerformanceCounters.cs
- XPathSelfQuery.cs
- ByteConverter.cs
- METAHEADER.cs
- FloaterBaseParagraph.cs
- CachedRequestParams.cs
- UInt64Storage.cs
- UnionQueryOperator.cs
- EdmValidator.cs
- Journal.cs
- InitializationEventAttribute.cs
- FileStream.cs
- TriState.cs
- MouseButtonEventArgs.cs
- PtsHelper.cs
- StopRoutingHandler.cs
- Peer.cs
- XPathPatternParser.cs
- ModifiableIteratorCollection.cs
- RewritingSimplifier.cs
- RemoteWebConfigurationHostStream.cs
- ExtensionsSection.cs
- AxHost.cs
- GridSplitter.cs