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 / CqlGeneration / CaseCqlBlock.cs / 1 / 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.LastComponentName); 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.LastComponentName); 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
- WebPartDisplayMode.cs
- ParallelEnumerable.cs
- HttpRequest.cs
- EntryWrittenEventArgs.cs
- WebPartCancelEventArgs.cs
- AssemblyHash.cs
- Int32KeyFrameCollection.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- ManipulationInertiaStartingEventArgs.cs
- ReferentialConstraint.cs
- ExpressionList.cs
- ComplexType.cs
- XmlWriter.cs
- WindowsMenu.cs
- TreeViewHitTestInfo.cs
- BoundConstants.cs
- PropertyIDSet.cs
- Classification.cs
- DebuggerAttributes.cs
- EntityContainerEntitySet.cs
- ScrollChangedEventArgs.cs
- WindowsListViewItemStartMenu.cs
- DefaultValueMapping.cs
- IItemContainerGenerator.cs
- Assembly.cs
- ExpressionVisitorHelpers.cs
- ForwardPositionQuery.cs
- ParentQuery.cs
- wgx_exports.cs
- FrameworkElement.cs
- WindowsRegion.cs
- StringDictionaryCodeDomSerializer.cs
- ToolTip.cs
- Run.cs
- BreakRecordTable.cs
- StylusButton.cs
- ReturnEventArgs.cs
- nulltextnavigator.cs
- PropertyPathConverter.cs
- GifBitmapDecoder.cs
- WebPartAuthorizationEventArgs.cs
- MouseActionValueSerializer.cs
- Figure.cs
- ColumnMapCopier.cs
- FilterableAttribute.cs
- XmlProcessingInstruction.cs
- SelectionProcessor.cs
- XmlSchemaChoice.cs
- BitmapEffectState.cs
- SQLSingleStorage.cs
- String.cs
- IncrementalHitTester.cs
- WebServicesSection.cs
- TimeSpanConverter.cs
- StaticTextPointer.cs
- ExtendedPropertiesHandler.cs
- SharedStatics.cs
- GuidelineCollection.cs
- CategoryAttribute.cs
- sqlinternaltransaction.cs
- GridViewRowCollection.cs
- DataRecordInfo.cs
- cookie.cs
- ToolStripDropDownMenu.cs
- MultiPageTextView.cs
- RectangleGeometry.cs
- BamlMapTable.cs
- DriveInfo.cs
- ThreadNeutralSemaphore.cs
- DropShadowBitmapEffect.cs
- RegionData.cs
- MediaContextNotificationWindow.cs
- OutputCacheModule.cs
- FormatSelectingMessageInspector.cs
- CellQuery.cs
- CheckBoxList.cs
- DataGridViewComboBoxCell.cs
- translator.cs
- TextElementEnumerator.cs
- ButtonBaseDesigner.cs
- MaxValueConverter.cs
- DictionaryManager.cs
- PngBitmapDecoder.cs
- MeasureItemEvent.cs
- SecureStringHasher.cs
- FloatSumAggregationOperator.cs
- PrtTicket_Public_Simple.cs
- UIElementHelper.cs
- Wildcard.cs
- DelimitedListTraceListener.cs
- TextDecoration.cs
- WorkflowOperationFault.cs
- ToolStripArrowRenderEventArgs.cs
- ObjectDisposedException.cs
- IImplicitResourceProvider.cs
- mediaclock.cs
- ListenDesigner.cs
- SqlAliaser.cs
- SctClaimSerializer.cs
- ResourceDefaultValueAttribute.cs