Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / 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
- EntityContainerEntitySetDefiningQuery.cs
- DynamicDocumentPaginator.cs
- ComponentResourceKeyConverter.cs
- CrossContextChannel.cs
- Columns.cs
- TextAutomationPeer.cs
- TargetPerspective.cs
- OleDbErrorCollection.cs
- TdsEnums.cs
- X509CertificateInitiatorServiceCredential.cs
- InternalResources.cs
- SharedMemory.cs
- VisualTreeUtils.cs
- AssemblyAttributesGoHere.cs
- LinkedList.cs
- ImageDrawing.cs
- TextTreeObjectNode.cs
- ArraySet.cs
- WriteLine.cs
- ModulesEntry.cs
- ADConnectionHelper.cs
- AnnotationAuthorChangedEventArgs.cs
- SBCSCodePageEncoding.cs
- dtdvalidator.cs
- FormView.cs
- WindowsListViewSubItem.cs
- ComponentCollection.cs
- Model3DGroup.cs
- ButtonStandardAdapter.cs
- Wildcard.cs
- RawContentTypeMapper.cs
- CodeTypeReferenceCollection.cs
- HandlerBase.cs
- NonBatchDirectoryCompiler.cs
- WindowsTreeView.cs
- BinaryConverter.cs
- WorkflowQueue.cs
- CancellationTokenRegistration.cs
- DatePickerTextBox.cs
- ContractUtils.cs
- UIPermission.cs
- QueueAccessMode.cs
- WorkerRequest.cs
- DragDrop.cs
- SQLInt32Storage.cs
- RegisteredHiddenField.cs
- DesignerUtility.cs
- OperationAbortedException.cs
- UxThemeWrapper.cs
- PrintPreviewGraphics.cs
- HttpCookieCollection.cs
- ComplexTypeEmitter.cs
- BinaryWriter.cs
- PropertyValueUIItem.cs
- MdiWindowListStrip.cs
- MediaElement.cs
- DbConnectionPoolGroup.cs
- CharacterMetrics.cs
- OpCodes.cs
- XmlException.cs
- ProxyWebPartManagerDesigner.cs
- DataGridParentRows.cs
- JapaneseCalendar.cs
- SQLChars.cs
- ResourceExpressionBuilder.cs
- ObjectCloneHelper.cs
- CopyOnWriteList.cs
- StylusPointPropertyId.cs
- CapabilitiesAssignment.cs
- TagPrefixCollection.cs
- SafeBuffer.cs
- WindowAutomationPeer.cs
- BaseTemplateParser.cs
- Component.cs
- uribuilder.cs
- DetailsViewModeEventArgs.cs
- ComponentResourceKeyConverter.cs
- EllipseGeometry.cs
- SoapSchemaMember.cs
- AutomationFocusChangedEventArgs.cs
- NegatedConstant.cs
- Knowncolors.cs
- ScrollEvent.cs
- VersionValidator.cs
- DocumentOrderComparer.cs
- XNodeSchemaApplier.cs
- ResourceDisplayNameAttribute.cs
- DriveInfo.cs
- WindowsTitleBar.cs
- ResourceDescriptionAttribute.cs
- GifBitmapEncoder.cs
- SafeSerializationManager.cs
- hresults.cs
- DoubleLinkListEnumerator.cs
- CollectionBase.cs
- ArrayElementGridEntry.cs
- RemotingAttributes.cs
- Visual.cs
- SqlAliasesReferenced.cs
- NonBatchDirectoryCompiler.cs