Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Map / Update / Internal / ExtractedStateEntry.cs / 1305376 / ExtractedStateEntry.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Data.Common.CommandTrees; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Linq; namespace System.Data.Mapping.Update.Internal { ////// Represents the data contained in a StateEntry using internal data structures /// of the UpdatePipeline. /// internal struct ExtractedStateEntry { internal readonly EntityState State; internal readonly PropagatorResult Original; internal readonly PropagatorResult Current; internal readonly IEntityStateEntry Source; internal ExtractedStateEntry(UpdateTranslator translator, IEntityStateEntry stateEntry) { Debug.Assert(null != stateEntry, "stateEntry must not be null"); this.State = stateEntry.State; this.Source = stateEntry; switch (stateEntry.State) { case EntityState.Deleted: this.Original = translator.RecordConverter.ConvertOriginalValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.AllModified); this.Current = null; break; case EntityState.Unchanged: this.Original = translator.RecordConverter.ConvertOriginalValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.NoneModified); this.Current = translator.RecordConverter.ConvertCurrentValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.NoneModified); break; case EntityState.Modified: this.Original = translator.RecordConverter.ConvertOriginalValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.SomeModified); this.Current = translator.RecordConverter.ConvertCurrentValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.SomeModified); break; case EntityState.Added: this.Original = null; this.Current = translator.RecordConverter.ConvertCurrentValuesToPropagatorResult( stateEntry, ModifiedPropertiesBehavior.AllModified); break; default: Debug.Fail("unexpected IEntityStateEntry.State for entity " + stateEntry.State); this.Original = null; this.Current = null; break; } } } } // 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
- ResourcesBuildProvider.cs
- MenuItem.cs
- TraceSection.cs
- DatatypeImplementation.cs
- Win32Native.cs
- SqlNotificationEventArgs.cs
- SessionPageStatePersister.cs
- WorkflowDispatchContext.cs
- PageHandlerFactory.cs
- StringConcat.cs
- ChangeConflicts.cs
- WebControlAdapter.cs
- Int64Converter.cs
- PathBox.cs
- TdsParserSessionPool.cs
- CssStyleCollection.cs
- NamedObject.cs
- SizeAnimationBase.cs
- TagMapInfo.cs
- Metafile.cs
- ViewPort3D.cs
- XhtmlConformanceSection.cs
- Emitter.cs
- ControlParameter.cs
- RegistryKey.cs
- MachineSettingsSection.cs
- Span.cs
- TextProperties.cs
- BeginStoryboard.cs
- ChtmlTextWriter.cs
- DataGridViewMethods.cs
- EventLogQuery.cs
- SerializationInfo.cs
- ClickablePoint.cs
- MediaPlayerState.cs
- DispatcherFrame.cs
- SystemIPGlobalStatistics.cs
- SiteMembershipCondition.cs
- RelationshipManager.cs
- BindingContext.cs
- DesignerAutoFormatCollection.cs
- EventLogPermissionAttribute.cs
- GeneralTransformGroup.cs
- ConfigurationElementCollection.cs
- MediaElement.cs
- PenContext.cs
- TypeValidationEventArgs.cs
- Transform3DGroup.cs
- XmlDataSourceView.cs
- BindingMAnagerBase.cs
- OleStrCAMarshaler.cs
- PerfService.cs
- StringAttributeCollection.cs
- XmlSecureResolver.cs
- AsyncStreamReader.cs
- LayoutDump.cs
- MSAAEventDispatcher.cs
- LinkedList.cs
- ThrowOnMultipleAssignment.cs
- ExtensibleClassFactory.cs
- ellipse.cs
- ObjectStateFormatter.cs
- ValueProviderWrapper.cs
- PngBitmapDecoder.cs
- LineSegment.cs
- ActivityInstance.cs
- SqlUserDefinedTypeAttribute.cs
- DefaultExpressionVisitor.cs
- ViewBase.cs
- HostProtectionPermission.cs
- FaultImportOptions.cs
- PropertyChange.cs
- odbcmetadatacollectionnames.cs
- XsltOutput.cs
- ErrorWebPart.cs
- WebBrowserHelper.cs
- Point4D.cs
- XmlCDATASection.cs
- TextTreeTextBlock.cs
- NestedContainer.cs
- SafeThemeHandle.cs
- PlanCompilerUtil.cs
- RegexCharClass.cs
- PageSettings.cs
- SecureEnvironment.cs
- ReferenceService.cs
- GridViewUpdatedEventArgs.cs
- DataExpression.cs
- webproxy.cs
- Line.cs
- PopupRoot.cs
- ManifestResourceInfo.cs
- TypeLoader.cs
- ForwardPositionQuery.cs
- RuleSettings.cs
- Separator.cs
- _StreamFramer.cs
- UnauthorizedWebPart.cs
- ResponseStream.cs
- InteropAutomationProvider.cs