Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- NativeMethods.cs
- CellTreeNode.cs
- SystemIPInterfaceStatistics.cs
- HtmlSelectionListAdapter.cs
- ReceiveSecurityHeader.cs
- WindowsPrincipal.cs
- SessionEndedEventArgs.cs
- webclient.cs
- Point3DKeyFrameCollection.cs
- FileChangesMonitor.cs
- ExpressionReplacer.cs
- DmlSqlGenerator.cs
- CompositeCollection.cs
- ViewBase.cs
- ConversionContext.cs
- TypeDelegator.cs
- EntityConnectionStringBuilderItem.cs
- FileEnumerator.cs
- _CookieModule.cs
- GPPOINT.cs
- SingleResultAttribute.cs
- DockPatternIdentifiers.cs
- TypeBuilderInstantiation.cs
- ConfigurationValidatorAttribute.cs
- InsufficientMemoryException.cs
- XmlSubtreeReader.cs
- StringToken.cs
- SingleObjectCollection.cs
- COM2Properties.cs
- WmlObjectListAdapter.cs
- UniqueConstraint.cs
- MetabaseServerConfig.cs
- ObjectViewFactory.cs
- GenericEnumConverter.cs
- ToggleProviderWrapper.cs
- RichTextBox.cs
- SoapInteropTypes.cs
- BitmapCodecInfo.cs
- ThreadInterruptedException.cs
- ScalarType.cs
- RuleSettingsCollection.cs
- MetadataItemEmitter.cs
- RepeatBehavior.cs
- DataSourceSelectArguments.cs
- KeyboardDevice.cs
- ContextBase.cs
- FixedSchema.cs
- TextTreeInsertUndoUnit.cs
- OutputWindow.cs
- _ProxyChain.cs
- XmlSchemaException.cs
- EncryptedXml.cs
- GAC.cs
- UnaryNode.cs
- DynamicScriptObject.cs
- InArgumentConverter.cs
- RotateTransform.cs
- ElementNotEnabledException.cs
- PrintPreviewDialog.cs
- SequenceDesigner.cs
- AndCondition.cs
- SerializableAttribute.cs
- XmlMapping.cs
- ContainerTracking.cs
- TextAutomationPeer.cs
- webbrowsersite.cs
- NodeLabelEditEvent.cs
- PropertyNames.cs
- WindowsListViewScroll.cs
- XpsViewerException.cs
- WebPageTraceListener.cs
- PersonalizationDictionary.cs
- Panel.cs
- SynchronousReceiveBehavior.cs
- DocumentXPathNavigator.cs
- DependencyObjectProvider.cs
- FontStretchConverter.cs
- RuleSetReference.cs
- WebBrowser.cs
- ImageMap.cs
- EventLogPermissionAttribute.cs
- DataGridPreparingCellForEditEventArgs.cs
- TemplatedMailWebEventProvider.cs
- And.cs
- ToolBar.cs
- Exception.cs
- CompiledRegexRunnerFactory.cs
- QilXmlReader.cs
- RelationshipManager.cs
- ObjectStorage.cs
- Positioning.cs
- DriveInfo.cs
- TextReader.cs
- PreviewKeyDownEventArgs.cs
- UpdatePanelTriggerCollection.cs
- TableSectionStyle.cs
- ScriptResourceMapping.cs
- BitmapMetadataBlob.cs
- SqlUtils.cs
- Interfaces.cs