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 / Common / EntitySql / MethodExpr.cs / 1 / MethodExpr.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backup [....] //--------------------------------------------------------------------- namespace System.Data.Common.EntitySql { using System; using System.Globalization; using System.Collections; using System.Collections.Generic; using System.Data.Common.CommandTrees; using System.Diagnostics; ////// represents a method/function/aggregate function/type constructor expression /// internal sealed class MethodExpr : Expr { private Expr _leftExpr; private Identifier _methodIdentifier; private DistinctKind _distinctKind; private ExprList_args; private string _internalAggregateName; private DbExpression _dummyExpression = null; private ExprList _relationships; /// /// initializes method ast node /// /// /// /// /// internal MethodExpr( Expr left, Identifier methodId, DistinctKind distinctKind, ExprListargs ) { _leftExpr = left; _methodIdentifier = methodId; _distinctKind = distinctKind; _args = args; } /// /// intializes a method ast node /// /// /// /// /// /// internal MethodExpr(Expr left, Identifier methodId, DistinctKind distinctKind, ExprListargs, ExprList relationships) { _leftExpr = left; _methodIdentifier = methodId; _distinctKind = distinctKind; _args = args; _relationships = relationships; } /// /// left expression /// internal Expr LeftExpr { get { return _leftExpr; } } ////// method identifier /// internal Identifier MethodIdentifier { get { return _methodIdentifier; } } ////// method name /// internal string MethodName { get { return MethodIdentifier.Name; } } ////// returns a dotexpr with the entire prefix /// internal DotExpr MethodPrefixExpr { get { return new DotExpr(LeftExpr, MethodIdentifier); } } ////// defines if funtion has distict annotation /// internal DistinctKind DistinctKind { get { return _distinctKind; } } ////// argument list /// internal ExprListArgs { get { return _args; } } /// /// optional relationship list /// internal ExprListRelationships { get { return _relationships; } } /// /// Returns true if there are associated relationship expressions /// internal bool HasRelationships { get { return null != _relationships && _relationships.Count > 0; } } // // Aggregate helpers // ////// defines an internal name to be used as aggregate function /// used by semantic conversion /// internal string InternalAggregateName { get { return _internalAggregateName; } } ////// defines if a given function is aggregate /// used by semantic conversion /// internal bool WasResolved { get { return (null != _internalAggregateName); } } internal DbExpression DummyExpression { get { return _dummyExpression; } } internal void SetAggregateInfo( string internalAggregateName, DbExpression dummyExpr ) { Debug.Assert(internalAggregateName != null); Debug.Assert(dummyExpr != null); _internalAggregateName = internalAggregateName; _dummyExpression = dummyExpr; } internal void ResetDummyExpression() { _dummyExpression = null; } internal void ResetAggregateInfo() { _internalAggregateName = null; _dummyExpression = null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backup [....] //--------------------------------------------------------------------- namespace System.Data.Common.EntitySql { using System; using System.Globalization; using System.Collections; using System.Collections.Generic; using System.Data.Common.CommandTrees; using System.Diagnostics; ////// represents a method/function/aggregate function/type constructor expression /// internal sealed class MethodExpr : Expr { private Expr _leftExpr; private Identifier _methodIdentifier; private DistinctKind _distinctKind; private ExprList_args; private string _internalAggregateName; private DbExpression _dummyExpression = null; private ExprList _relationships; /// /// initializes method ast node /// /// /// /// /// internal MethodExpr( Expr left, Identifier methodId, DistinctKind distinctKind, ExprListargs ) { _leftExpr = left; _methodIdentifier = methodId; _distinctKind = distinctKind; _args = args; } /// /// intializes a method ast node /// /// /// /// /// /// internal MethodExpr(Expr left, Identifier methodId, DistinctKind distinctKind, ExprListargs, ExprList relationships) { _leftExpr = left; _methodIdentifier = methodId; _distinctKind = distinctKind; _args = args; _relationships = relationships; } /// /// left expression /// internal Expr LeftExpr { get { return _leftExpr; } } ////// method identifier /// internal Identifier MethodIdentifier { get { return _methodIdentifier; } } ////// method name /// internal string MethodName { get { return MethodIdentifier.Name; } } ////// returns a dotexpr with the entire prefix /// internal DotExpr MethodPrefixExpr { get { return new DotExpr(LeftExpr, MethodIdentifier); } } ////// defines if funtion has distict annotation /// internal DistinctKind DistinctKind { get { return _distinctKind; } } ////// argument list /// internal ExprListArgs { get { return _args; } } /// /// optional relationship list /// internal ExprListRelationships { get { return _relationships; } } /// /// Returns true if there are associated relationship expressions /// internal bool HasRelationships { get { return null != _relationships && _relationships.Count > 0; } } // // Aggregate helpers // ////// defines an internal name to be used as aggregate function /// used by semantic conversion /// internal string InternalAggregateName { get { return _internalAggregateName; } } ////// defines if a given function is aggregate /// used by semantic conversion /// internal bool WasResolved { get { return (null != _internalAggregateName); } } internal DbExpression DummyExpression { get { return _dummyExpression; } } internal void SetAggregateInfo( string internalAggregateName, DbExpression dummyExpr ) { Debug.Assert(internalAggregateName != null); Debug.Assert(dummyExpr != null); _internalAggregateName = internalAggregateName; _dummyExpression = dummyExpr; } internal void ResetDummyExpression() { _dummyExpression = null; } internal void ResetAggregateInfo() { _internalAggregateName = null; _dummyExpression = null; } } } // 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
- ThreadAttributes.cs
- BooleanExpr.cs
- StandardBindingCollectionElement.cs
- ArgumentOutOfRangeException.cs
- RotateTransform.cs
- WindowPattern.cs
- EpmContentSerializerBase.cs
- RbTree.cs
- PopupRootAutomationPeer.cs
- ResourcePart.cs
- RoutedUICommand.cs
- CreateUserErrorEventArgs.cs
- COM2PropertyDescriptor.cs
- BlockUIContainer.cs
- XamlFilter.cs
- Duration.cs
- EnterpriseServicesHelper.cs
- SystemResourceKey.cs
- ServiceProviders.cs
- AttachedPropertyMethodSelector.cs
- WebPartsPersonalization.cs
- StatusBarPanel.cs
- ComplexTypeEmitter.cs
- GridViewDeletedEventArgs.cs
- SafeWaitHandle.cs
- Brush.cs
- securitymgrsite.cs
- CompositeDataBoundControl.cs
- WebPartZoneCollection.cs
- BitmapSource.cs
- PlainXmlDeserializer.cs
- PagesChangedEventArgs.cs
- ArglessEventHandlerProxy.cs
- TextRunProperties.cs
- WebContext.cs
- CutCopyPasteHelper.cs
- XmlSchemaExporter.cs
- BitmapEffectDrawingContextState.cs
- PeerNameRecord.cs
- RegexCompiler.cs
- TableProvider.cs
- X509WindowsSecurityToken.cs
- TypeSystemHelpers.cs
- CapabilitiesPattern.cs
- MethodImplAttribute.cs
- SoapFault.cs
- DialogWindow.cs
- EntityDataSourceStatementEditor.cs
- BinaryEditor.cs
- TextEffect.cs
- SessionStateModule.cs
- NameTable.cs
- SettingsPropertyValue.cs
- ProcessHostConfigUtils.cs
- DataGridViewCellCancelEventArgs.cs
- HttpWebResponse.cs
- VBCodeProvider.cs
- RenderingBiasValidation.cs
- TabOrder.cs
- TcpClientSocketManager.cs
- LinqDataSourceContextEventArgs.cs
- EmbossBitmapEffect.cs
- PageThemeCodeDomTreeGenerator.cs
- XmlStreamNodeWriter.cs
- BCryptSafeHandles.cs
- RecognitionEventArgs.cs
- SystemBrushes.cs
- ListViewItemEventArgs.cs
- TypeRefElement.cs
- documentation.cs
- Duration.cs
- Pair.cs
- RouteItem.cs
- ComponentFactoryHelpers.cs
- ApplicationServiceHelper.cs
- XPathDescendantIterator.cs
- DetailsViewInsertedEventArgs.cs
- BitHelper.cs
- XPathDocumentIterator.cs
- StateItem.cs
- IImplicitResourceProvider.cs
- KeyGestureValueSerializer.cs
- SettingsPropertyCollection.cs
- XsltSettings.cs
- VectorValueSerializer.cs
- _Connection.cs
- Transform3DCollection.cs
- BindingManagerDataErrorEventArgs.cs
- MailWriter.cs
- InstanceStoreQueryResult.cs
- DataBoundControlDesigner.cs
- ShaderEffect.cs
- HyperLinkStyle.cs
- RC2CryptoServiceProvider.cs
- ArrangedElementCollection.cs
- DataBoundControlDesigner.cs
- ITextView.cs
- ModelService.cs
- ExtensionQuery.cs
- Assembly.cs