Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / Structures / TypeConstant.cs / 1305376 / TypeConstant.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Text; using System.Collections.Generic; using System.Data.Mapping.ViewGeneration.CqlGeneration; using System.Data.Common; using System.Data.Common.Utils; using System.Data.Metadata.Edm; using System.Diagnostics; namespace System.Data.Mapping.ViewGeneration.Structures { // A constant for storing type values, e.g., a type constant is used to // denotes (say) a Person type, Address type, etc. It essentially // encapsulates a CDM Type internal class TypeConstant : Constant { #region Constructor // effects: Creates a type constant corresponding to "type" internal TypeConstant(EdmType type) { m_cdmType = type; } #endregion #region Fields // The CDM type denoted by this type constant private EdmType m_cdmType; #endregion #region Properties // effects: Returns the CDM type corresponding to this internal EdmType CdmType { get { return m_cdmType; } } #endregion #region Methods // effects: Given a projectedSlot that contributes to outputMember in // the output extent view, generates a constructor expression for // outputMember's type, i.e, an expression of the form "Type(....)" // If refscope is non-null, instead of constructing an Entity or // Complex type, constructs a reference internal override StringBuilder AsCql(StringBuilder builder, MemberPath outputMember, string blockAlias) { // Gather the fields for a constructor or a Ref expression Listfields = new List (); EntitySet refScope = outputMember.GetScopeOfRelationEnd(); EntityType refEntityType = null; if (refScope != null) { // Construct a scoped reference: CreateRef(CPerson1, row(pid1, pid2)) EntityType entityType = refScope.ElementType; refEntityType = (EntityType)(((RefType)outputMember.EdmType).ElementType); builder.Append("CreateRef("); CqlWriter.AppendEscapedQualifiedName(builder, refScope.EntityContainer.Name, refScope.Name); builder.Append(", row("); foreach (EdmMember keyMember in entityType.KeyMembers) { // Given the member, we need its aliased name MemberPath memberPath = new MemberPath(outputMember, keyMember); string fullFieldAlias = CqlWriter.GetQualifiedName(blockAlias, memberPath.CqlFieldAlias); fields.Add(fullFieldAlias); } } else { // Construct an entity/complex/Association type in the Members order // for fields: CPerson(CPerson1_Pid, CPerson1_Name) // It better be a structural type StructuralType structuralType = (StructuralType)m_cdmType; foreach (EdmMember member in Helper.GetAllStructuralMembers(structuralType)) { // Given the member, we need its aliased name: CPerson1_Pid MemberPath memberPath = new MemberPath(outputMember, member); string fullFieldAlias = CqlWriter.GetQualifiedName(blockAlias, memberPath.CqlFieldAlias); fields.Add(fullFieldAlias); } // Constructor call for the constructedType CqlWriter.AppendEscapedTypeName(builder, m_cdmType); builder.Append('('); } StringUtil.ToSeparatedString(builder, fields, ", ", null); builder.Append(')'); if (refScope != null) { Debug.Assert(refEntityType != null); builder.Append(","); CqlWriter.AppendEscapedTypeName(builder, refEntityType); builder.Append(')'); } return builder; } #endregion #region Public Override Methods for object and String methods protected override bool IsEqualTo(Constant right) { TypeConstant rightTypeConstant = right as TypeConstant; if (rightTypeConstant == null) { return false; } return m_cdmType == rightTypeConstant.m_cdmType; } protected override int GetHash() { if (m_cdmType == null) { // null type constant return 0; } else { return m_cdmType.GetHashCode(); } } private void InternalToString(StringBuilder builder, bool isInvariant) { if (m_cdmType == null) { // NULL type constant builder.Append(isInvariant ? "NULL" : System.Data.Entity.Strings.ViewGen_Null); } else { builder.Append(m_cdmType.Name); } } internal override string ToUserString() { StringBuilder builder = new StringBuilder(); InternalToString(builder, false); return builder.ToString(); } internal override void ToCompactString(StringBuilder builder) { InternalToString(builder, true); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Text; using System.Collections.Generic; using System.Data.Mapping.ViewGeneration.CqlGeneration; using System.Data.Common; using System.Data.Common.Utils; using System.Data.Metadata.Edm; using System.Diagnostics; namespace System.Data.Mapping.ViewGeneration.Structures { // A constant for storing type values, e.g., a type constant is used to // denotes (say) a Person type, Address type, etc. It essentially // encapsulates a CDM Type internal class TypeConstant : Constant { #region Constructor // effects: Creates a type constant corresponding to "type" internal TypeConstant(EdmType type) { m_cdmType = type; } #endregion #region Fields // The CDM type denoted by this type constant private EdmType m_cdmType; #endregion #region Properties // effects: Returns the CDM type corresponding to this internal EdmType CdmType { get { return m_cdmType; } } #endregion #region Methods // effects: Given a projectedSlot that contributes to outputMember in // the output extent view, generates a constructor expression for // outputMember's type, i.e, an expression of the form "Type(....)" // If refscope is non-null, instead of constructing an Entity or // Complex type, constructs a reference internal override StringBuilder AsCql(StringBuilder builder, MemberPath outputMember, string blockAlias) { // Gather the fields for a constructor or a Ref expression Listfields = new List (); EntitySet refScope = outputMember.GetScopeOfRelationEnd(); EntityType refEntityType = null; if (refScope != null) { // Construct a scoped reference: CreateRef(CPerson1, row(pid1, pid2)) EntityType entityType = refScope.ElementType; refEntityType = (EntityType)(((RefType)outputMember.EdmType).ElementType); builder.Append("CreateRef("); CqlWriter.AppendEscapedQualifiedName(builder, refScope.EntityContainer.Name, refScope.Name); builder.Append(", row("); foreach (EdmMember keyMember in entityType.KeyMembers) { // Given the member, we need its aliased name MemberPath memberPath = new MemberPath(outputMember, keyMember); string fullFieldAlias = CqlWriter.GetQualifiedName(blockAlias, memberPath.CqlFieldAlias); fields.Add(fullFieldAlias); } } else { // Construct an entity/complex/Association type in the Members order // for fields: CPerson(CPerson1_Pid, CPerson1_Name) // It better be a structural type StructuralType structuralType = (StructuralType)m_cdmType; foreach (EdmMember member in Helper.GetAllStructuralMembers(structuralType)) { // Given the member, we need its aliased name: CPerson1_Pid MemberPath memberPath = new MemberPath(outputMember, member); string fullFieldAlias = CqlWriter.GetQualifiedName(blockAlias, memberPath.CqlFieldAlias); fields.Add(fullFieldAlias); } // Constructor call for the constructedType CqlWriter.AppendEscapedTypeName(builder, m_cdmType); builder.Append('('); } StringUtil.ToSeparatedString(builder, fields, ", ", null); builder.Append(')'); if (refScope != null) { Debug.Assert(refEntityType != null); builder.Append(","); CqlWriter.AppendEscapedTypeName(builder, refEntityType); builder.Append(')'); } return builder; } #endregion #region Public Override Methods for object and String methods protected override bool IsEqualTo(Constant right) { TypeConstant rightTypeConstant = right as TypeConstant; if (rightTypeConstant == null) { return false; } return m_cdmType == rightTypeConstant.m_cdmType; } protected override int GetHash() { if (m_cdmType == null) { // null type constant return 0; } else { return m_cdmType.GetHashCode(); } } private void InternalToString(StringBuilder builder, bool isInvariant) { if (m_cdmType == null) { // NULL type constant builder.Append(isInvariant ? "NULL" : System.Data.Entity.Strings.ViewGen_Null); } else { builder.Append(m_cdmType.Name); } } internal override string ToUserString() { StringBuilder builder = new StringBuilder(); InternalToString(builder, false); return builder.ToString(); } internal override void ToCompactString(StringBuilder builder) { InternalToString(builder, true); } #endregion } } // 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
- IIS7UserPrincipal.cs
- HebrewCalendar.cs
- OciLobLocator.cs
- IndexOutOfRangeException.cs
- DeferredElementTreeState.cs
- OdbcConnectionFactory.cs
- WindowsScroll.cs
- XsdDateTime.cs
- ProgressPage.cs
- ToolStripDropDownClosingEventArgs.cs
- EventLogPermissionEntry.cs
- AVElementHelper.cs
- DPCustomTypeDescriptor.cs
- FrameworkElementFactory.cs
- InvalidDataException.cs
- ModelItemDictionary.cs
- DataPager.cs
- EventListenerClientSide.cs
- FormViewCommandEventArgs.cs
- SecurityTokenInclusionMode.cs
- SizeF.cs
- EventPropertyMap.cs
- MissingFieldException.cs
- LoginCancelEventArgs.cs
- DotExpr.cs
- RootBrowserWindowAutomationPeer.cs
- KnownBoxes.cs
- AuditLevel.cs
- FlowDocument.cs
- DesignerAdRotatorAdapter.cs
- WindowsAuthenticationEventArgs.cs
- DataPagerField.cs
- ClientSettingsStore.cs
- LateBoundBitmapDecoder.cs
- XmlSchemaRedefine.cs
- ValueUtilsSmi.cs
- SmtpFailedRecipientsException.cs
- DesignerActionService.cs
- SmiContextFactory.cs
- WSFederationHttpSecurity.cs
- ValidatorCompatibilityHelper.cs
- TaskFactory.cs
- DataGridViewColumnEventArgs.cs
- XsdBuilder.cs
- ClientTargetSection.cs
- XmlAtomicValue.cs
- ReachDocumentPageSerializerAsync.cs
- XmlAttributes.cs
- FullTrustAssembly.cs
- Cloud.cs
- Simplifier.cs
- GlyphTypeface.cs
- TagMapCollection.cs
- PropertyStore.cs
- SafeSystemMetrics.cs
- HebrewCalendar.cs
- FileDialog.cs
- _NestedMultipleAsyncResult.cs
- Timer.cs
- InstanceNormalEvent.cs
- CopyCodeAction.cs
- DataBindingHandlerAttribute.cs
- FormClosedEvent.cs
- WebResourceAttribute.cs
- Crypto.cs
- SelectionRangeConverter.cs
- PreviewPrintController.cs
- MonthCalendar.cs
- ObjectDataSourceStatusEventArgs.cs
- DetailsViewInsertedEventArgs.cs
- ComplexBindingPropertiesAttribute.cs
- MarkedHighlightComponent.cs
- XmlDomTextWriter.cs
- AuthenticationModuleElement.cs
- TargetInvocationException.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- CodeGen.cs
- BrushConverter.cs
- rsa.cs
- ShapingEngine.cs
- HttpResponse.cs
- HTTP_SERVICE_CONFIG_URLACL_PARAM.cs
- CssClassPropertyAttribute.cs
- Control.cs
- TemplateBindingExtensionConverter.cs
- PageWrapper.cs
- XmlNamedNodeMap.cs
- ContentPlaceHolder.cs
- FontStyle.cs
- _HelperAsyncResults.cs
- StyleConverter.cs
- CodePageEncoding.cs
- StrokeNodeData.cs
- ManagedFilter.cs
- ToolStripCodeDomSerializer.cs
- ScriptingWebServicesSectionGroup.cs
- ICspAsymmetricAlgorithm.cs
- DrawingDrawingContext.cs
- RectValueSerializer.cs
- Int16AnimationBase.cs