Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / Structures / TypeConstant.cs / 2 / 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 : CellConstant { #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(CellConstant 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 : CellConstant { #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(CellConstant 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
- TagNameToTypeMapper.cs
- DataBoundControl.cs
- CharAnimationBase.cs
- UriExt.cs
- DataGridLinkButton.cs
- ObfuscateAssemblyAttribute.cs
- ChannelManager.cs
- ContextQuery.cs
- ConfigXmlComment.cs
- MemberDomainMap.cs
- RegexStringValidator.cs
- ListViewCommandEventArgs.cs
- SurrogateEncoder.cs
- RuntimeComponentFilter.cs
- SmtpSection.cs
- SignatureToken.cs
- LastQueryOperator.cs
- HierarchicalDataSourceControl.cs
- PathSegment.cs
- SHA384.cs
- dbenumerator.cs
- COM2Properties.cs
- ProfilePropertySettingsCollection.cs
- ToolStripPanel.cs
- Button.cs
- PolicyManager.cs
- XmlSignatureManifest.cs
- ParentQuery.cs
- EntityCollection.cs
- Globals.cs
- XamlDesignerSerializationManager.cs
- ArgumentDesigner.xaml.cs
- RelationalExpressions.cs
- Window.cs
- XmlSchema.cs
- TextEditorCopyPaste.cs
- SerializationIncompleteException.cs
- Command.cs
- RadioButtonAutomationPeer.cs
- _TLSstream.cs
- BitmapEffect.cs
- ShutDownListener.cs
- BindingRestrictions.cs
- IntAverageAggregationOperator.cs
- WeakReference.cs
- DataGridViewComboBoxCell.cs
- ModuleElement.cs
- ContentPresenter.cs
- SendDesigner.xaml.cs
- XsltException.cs
- LoginDesigner.cs
- ConditionBrowserDialog.cs
- WorkflowOwnershipException.cs
- TokenFactoryBase.cs
- ImageCodecInfoPrivate.cs
- InnerItemCollectionView.cs
- XmlSchemaSimpleTypeUnion.cs
- TableLayoutPanel.cs
- OperatorExpressions.cs
- PlatformNotSupportedException.cs
- XmlObjectSerializer.cs
- Int16AnimationUsingKeyFrames.cs
- SmtpMail.cs
- ContentPresenter.cs
- NavigatorInput.cs
- TextParagraph.cs
- Section.cs
- SharedHttpTransportManager.cs
- Codec.cs
- PrintDialog.cs
- ActivityExecutionFilter.cs
- AppSettingsExpressionBuilder.cs
- FunctionCommandText.cs
- UnsettableComboBox.cs
- Selection.cs
- CodeTypeParameterCollection.cs
- UpdatePanelTrigger.cs
- PreProcessInputEventArgs.cs
- RayMeshGeometry3DHitTestResult.cs
- ListenerElementsCollection.cs
- XmlSchemaSet.cs
- ToolStripProgressBar.cs
- ReferencedType.cs
- StylusPointDescription.cs
- Compiler.cs
- HttpException.cs
- ContainerAction.cs
- SpoolingTask.cs
- FamilyMap.cs
- MembershipUser.cs
- LineVisual.cs
- PersistenceException.cs
- PeerName.cs
- ResXFileRef.cs
- SelectionItemPattern.cs
- RotateTransform3D.cs
- Matrix.cs
- UInt32Storage.cs
- DataGridViewImageCell.cs
- PropertyDescriptor.cs