Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / CqlGeneration / CaseCqlBlock.cs / 1305376 / CaseCqlBlock.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Mapping.ViewGeneration.Structures; using System.Text; using System.Collections.Generic; using System.Data.Common.Utils; using System.Diagnostics; namespace System.Data.Mapping.ViewGeneration.CqlGeneration { // A class to capture CqlBlocks responsible for case statements -- these // are statements needed for generating the variables in the // multiconstants, i.e., complex types, entities, discriminators, etc internal class CaseCqlBlock : CqlBlock { #region Constructors // effects: Creates a case statememt CqlBlock with SELECT (slots), // FROM (child -- note has only has one child), WHERE (true), AS // (blockAliasNum). caseSlot indicates which slot in slots // corresponds to the single case statement being generated by this block internal CaseCqlBlock(SlotInfo[] slots, int caseSlot, CqlBlock child, BoolExpression whereClause, CqlIdentifiers identifiers, int blockAliasNum) : base(slots, new List(new CqlBlock[] { child }), whereClause, identifiers, blockAliasNum) { m_caseSlotInfo = slots[caseSlot]; } #endregion #region Fields private SlotInfo m_caseSlotInfo; #endregion #region Methods // effects: See CqlBlock.AsCql internal override StringBuilder AsCql(StringBuilder builder, bool isTopLevel, int indentLevel) { // The SELECT part StringUtil.IndentNewLine(builder, indentLevel); // Since we know that the case statement starts on a new line, we // can add a comment after SELECT Debug.Assert(m_caseSlotInfo.MemberPath != null, "We only construct real slots not boolean slots"); builder.Append("SELECT "); if (isTopLevel) { builder.Append("VALUE "); } builder.Append("-- Constructing ") .Append(m_caseSlotInfo.MemberPath.LeafEdmMemberName); Debug.Assert(Children.Count == 1, "Case can have exactly one child"); CqlBlock childBlock = Children[0]; // First emit the case statement "CASE ... END AS Alias" m_caseSlotInfo.AsCql(builder, childBlock.CqlAlias, indentLevel); if (false == isTopLevel) { builder.Append(" AS ") .Append(m_caseSlotInfo.CqlFieldAlias); } // Now get the remaining slots bool isFirst = true; // CHANGE_[....]_IMPROVE: Try to leverage GenerateProjectedtList foreach (SlotInfo slot in Slots) { if (false == slot.IsRequiredByParent || object.ReferenceEquals(slot, m_caseSlotInfo)) { continue; } if (isFirst == true) { // Add , after END and then start new line for first field builder.Append(", "); StringUtil.IndentNewLine(builder, indentLevel + 1); } else { // Simply add a comma for the next field builder.Append(", "); } slot.AsCql(builder, childBlock.CqlAlias, indentLevel); isFirst = false; } // The FROM part: FROM (ChildView) AS AliasName StringUtil.IndentNewLine(builder, indentLevel); builder.Append("FROM ("); // Get the child childBlock.AsCql(builder, false, indentLevel + 1); StringUtil.IndentNewLine(builder, indentLevel); builder.Append(") AS ") .Append(childBlock.CqlAlias); // Get the WHERE part only when the expression is not simply TRUE if (false == BoolExpression.EqualityComparer.Equals(WhereClause, BoolExpression.True)) { StringUtil.IndentNewLine(builder, indentLevel); builder.Append("WHERE "); WhereClause.AsCql(builder, childBlock.CqlAlias); } return builder; } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Data.Mapping.ViewGeneration.Structures; using System.Text; using System.Collections.Generic; using System.Data.Common.Utils; using System.Diagnostics; namespace System.Data.Mapping.ViewGeneration.CqlGeneration { // A class to capture CqlBlocks responsible for case statements -- these // are statements needed for generating the variables in the // multiconstants, i.e., complex types, entities, discriminators, etc internal class CaseCqlBlock : CqlBlock { #region Constructors // effects: Creates a case statememt CqlBlock with SELECT (slots), // FROM (child -- note has only has one child), WHERE (true), AS // (blockAliasNum). caseSlot indicates which slot in slots // corresponds to the single case statement being generated by this block internal CaseCqlBlock(SlotInfo[] slots, int caseSlot, CqlBlock child, BoolExpression whereClause, CqlIdentifiers identifiers, int blockAliasNum) : base(slots, new List(new CqlBlock[] { child }), whereClause, identifiers, blockAliasNum) { m_caseSlotInfo = slots[caseSlot]; } #endregion #region Fields private SlotInfo m_caseSlotInfo; #endregion #region Methods // effects: See CqlBlock.AsCql internal override StringBuilder AsCql(StringBuilder builder, bool isTopLevel, int indentLevel) { // The SELECT part StringUtil.IndentNewLine(builder, indentLevel); // Since we know that the case statement starts on a new line, we // can add a comment after SELECT Debug.Assert(m_caseSlotInfo.MemberPath != null, "We only construct real slots not boolean slots"); builder.Append("SELECT "); if (isTopLevel) { builder.Append("VALUE "); } builder.Append("-- Constructing ") .Append(m_caseSlotInfo.MemberPath.LeafEdmMemberName); Debug.Assert(Children.Count == 1, "Case can have exactly one child"); CqlBlock childBlock = Children[0]; // First emit the case statement "CASE ... END AS Alias" m_caseSlotInfo.AsCql(builder, childBlock.CqlAlias, indentLevel); if (false == isTopLevel) { builder.Append(" AS ") .Append(m_caseSlotInfo.CqlFieldAlias); } // Now get the remaining slots bool isFirst = true; // CHANGE_[....]_IMPROVE: Try to leverage GenerateProjectedtList foreach (SlotInfo slot in Slots) { if (false == slot.IsRequiredByParent || object.ReferenceEquals(slot, m_caseSlotInfo)) { continue; } if (isFirst == true) { // Add , after END and then start new line for first field builder.Append(", "); StringUtil.IndentNewLine(builder, indentLevel + 1); } else { // Simply add a comma for the next field builder.Append(", "); } slot.AsCql(builder, childBlock.CqlAlias, indentLevel); isFirst = false; } // The FROM part: FROM (ChildView) AS AliasName StringUtil.IndentNewLine(builder, indentLevel); builder.Append("FROM ("); // Get the child childBlock.AsCql(builder, false, indentLevel + 1); StringUtil.IndentNewLine(builder, indentLevel); builder.Append(") AS ") .Append(childBlock.CqlAlias); // Get the WHERE part only when the expression is not simply TRUE if (false == BoolExpression.EqualityComparer.Equals(WhereClause, BoolExpression.True)) { StringUtil.IndentNewLine(builder, indentLevel); builder.Append("WHERE "); WhereClause.AsCql(builder, childBlock.CqlAlias); } return builder; } #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
- RSAPKCS1SignatureFormatter.cs
- CompressionTransform.cs
- InstanceBehavior.cs
- DoWorkEventArgs.cs
- GlyphsSerializer.cs
- DesignBindingPicker.cs
- TypedRowGenerator.cs
- Storyboard.cs
- RijndaelManagedTransform.cs
- Pens.cs
- StateMachine.cs
- ObjectHelper.cs
- XmlSchemaComplexContent.cs
- MsmqProcessProtocolHandler.cs
- CornerRadius.cs
- Function.cs
- StringUtil.cs
- AssemblyAttributesGoHere.cs
- ReadOnlyHierarchicalDataSource.cs
- LoginUtil.cs
- AlternateView.cs
- ContentOperations.cs
- SecurityElement.cs
- wgx_exports.cs
- X509Certificate2Collection.cs
- TypeConverterValueSerializer.cs
- EmptyStringExpandableObjectConverter.cs
- SerializerWriterEventHandlers.cs
- AutoResetEvent.cs
- LineServices.cs
- EditableTreeList.cs
- EntityTypeEmitter.cs
- _NegoStream.cs
- Int64AnimationUsingKeyFrames.cs
- VersionPair.cs
- RemotingServices.cs
- BinaryMethodMessage.cs
- RawStylusInput.cs
- ResourceAssociationType.cs
- RewritingValidator.cs
- remotingproxy.cs
- ExpressionBuilderContext.cs
- DataProviderNameConverter.cs
- DBConnection.cs
- ProgressBar.cs
- SchemaImporterExtension.cs
- EmbossBitmapEffect.cs
- SliderAutomationPeer.cs
- BuildProvider.cs
- FontNamesConverter.cs
- NavigationPropertyEmitter.cs
- FileDialogPermission.cs
- ColumnResizeAdorner.cs
- ListViewEditEventArgs.cs
- WeakReferenceKey.cs
- PropertyChangedEventArgs.cs
- CFGGrammar.cs
- ScriptHandlerFactory.cs
- HealthMonitoringSection.cs
- DataServiceConfiguration.cs
- AutomationProperties.cs
- WindowsGraphics2.cs
- NamespaceList.cs
- SuppressMessageAttribute.cs
- ObjectListSelectEventArgs.cs
- CollectionChangeEventArgs.cs
- XmlMtomWriter.cs
- CreateInstanceBinder.cs
- DecimalConverter.cs
- CreateParams.cs
- SafeCryptoHandles.cs
- ModuleElement.cs
- AssociatedControlConverter.cs
- DocumentApplicationJournalEntry.cs
- MaskedTextBox.cs
- IssuanceLicense.cs
- unsafeIndexingFilterStream.cs
- HostExecutionContextManager.cs
- RuntimeConfigurationRecord.cs
- TemplateControl.cs
- InstanceData.cs
- ComponentEvent.cs
- Timeline.cs
- BamlLocalizableResource.cs
- _NtlmClient.cs
- ContentOperations.cs
- XPathAncestorIterator.cs
- DataSet.cs
- TableLayoutStyleCollection.cs
- SerializationObjectManager.cs
- FontFamily.cs
- FlowNode.cs
- SqlTypeSystemProvider.cs
- Column.cs
- ConnectionConsumerAttribute.cs
- StaticSiteMapProvider.cs
- DatagramAdapter.cs
- PointLight.cs
- Camera.cs
- ItemCheckedEvent.cs