Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / Util / Transactions.cs / 1 / Transactions.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Transactions support for ASP.NET pages * * Copyright (c) 2000, Microsoft Corporation */ namespace System.Web.Util { using System.Collections; using System.EnterpriseServices; using System.Security.Permissions; // // Delegate to the transacted managed code // ////// public delegate void TransactedCallback(); // // Delegate for the internal transacted execution // internal enum TransactedExecState { CommitPending = 0, AbortPending = 1, Error = 2 } internal delegate int TransactedExecCallback(); // return value 'int' for interop // // Utility class with to be called to do transactions // ///[To be supplied.] ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class Transactions { ///[To be supplied.] ////// public static void InvokeTransacted(TransactedCallback callback, TransactionOption mode) { bool aborted = false; InvokeTransacted(callback, mode, ref aborted); } ///[To be supplied.] ////// public static void InvokeTransacted(TransactedCallback callback, TransactionOption mode, ref bool transactionAborted) { // HttpRuntime.CheckAspNetHostingPermission(AspNetHostingPermissionLevel.Medium, SR.Transaction_not_supported_in_low_trust); bool executeWithoutTransaction = false; #if !FEATURE_PAL // FEATURE_PAL does not enable Transactions if (Environment.OSVersion.Platform != PlatformID.Win32NT || Environment.OSVersion.Version.Major <= 4) throw new PlatformNotSupportedException(SR.GetString(SR.RequiresNT)); #else // !FEATURE_PAL throw new NotImplementedException("ROTORTODO"); #endif // !FEATURE_PAL if (mode == TransactionOption.Disabled) executeWithoutTransaction = true; if (executeWithoutTransaction) { // bypass the transaction logic callback(); transactionAborted = false; return; } TransactedInvocation call = new TransactedInvocation(callback); TransactedExecCallback execCallback = new TransactedExecCallback(call.ExecuteTransactedCode); PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_PENDING); int rc; try { rc = UnsafeNativeMethods.TransactManagedCallback(execCallback, (int)mode); } finally { PerfCounters.DecrementCounter(AppPerfCounter.TRANSACTIONS_PENDING); } // rethrow the expection originally caught in managed code if (call.Error != null) throw new HttpException(null, call.Error); PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_TOTAL); if (rc == 1) { PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_COMMITTED); transactionAborted = false; } else if (rc == 0) { PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_ABORTED); transactionAborted = true; } else { throw new HttpException(SR.GetString(SR.Cannot_execute_transacted_code)); } } // Class with wrappers to ContextUtil that don't throw internal class Utils { private Utils() { } /* internal static String TransactionId { get { String id = null; try { id = ContextUtil.TransactionId.ToString(); } catch { } return id; } } */ internal static bool IsInTransaction { get { bool inTransaction = false; try { inTransaction = ContextUtil.IsInTransaction; } catch { } return inTransaction; } } internal static bool AbortPending { get { bool aborted = false; try { if (ContextUtil.MyTransactionVote == TransactionVote.Abort) aborted = true; } catch { } return aborted; } } } // Managed class encapsulating the transacted call internal class TransactedInvocation { private TransactedCallback _callback; private Exception _error; internal TransactedInvocation(TransactedCallback callback) { _callback = callback; } internal int ExecuteTransactedCode() { TransactedExecState state = TransactedExecState.CommitPending; try { _callback(); if (Transactions.Utils.AbortPending) state = TransactedExecState.AbortPending; } catch (Exception e) { _error = e; // remember exception to be rethrown back in managed code state = TransactedExecState.Error; } return (int)state; } internal Exception Error { get { return _error; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //[To be supplied.] ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Transactions support for ASP.NET pages * * Copyright (c) 2000, Microsoft Corporation */ namespace System.Web.Util { using System.Collections; using System.EnterpriseServices; using System.Security.Permissions; // // Delegate to the transacted managed code // ////// public delegate void TransactedCallback(); // // Delegate for the internal transacted execution // internal enum TransactedExecState { CommitPending = 0, AbortPending = 1, Error = 2 } internal delegate int TransactedExecCallback(); // return value 'int' for interop // // Utility class with to be called to do transactions // ///[To be supplied.] ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class Transactions { ///[To be supplied.] ////// public static void InvokeTransacted(TransactedCallback callback, TransactionOption mode) { bool aborted = false; InvokeTransacted(callback, mode, ref aborted); } ///[To be supplied.] ////// public static void InvokeTransacted(TransactedCallback callback, TransactionOption mode, ref bool transactionAborted) { // HttpRuntime.CheckAspNetHostingPermission(AspNetHostingPermissionLevel.Medium, SR.Transaction_not_supported_in_low_trust); bool executeWithoutTransaction = false; #if !FEATURE_PAL // FEATURE_PAL does not enable Transactions if (Environment.OSVersion.Platform != PlatformID.Win32NT || Environment.OSVersion.Version.Major <= 4) throw new PlatformNotSupportedException(SR.GetString(SR.RequiresNT)); #else // !FEATURE_PAL throw new NotImplementedException("ROTORTODO"); #endif // !FEATURE_PAL if (mode == TransactionOption.Disabled) executeWithoutTransaction = true; if (executeWithoutTransaction) { // bypass the transaction logic callback(); transactionAborted = false; return; } TransactedInvocation call = new TransactedInvocation(callback); TransactedExecCallback execCallback = new TransactedExecCallback(call.ExecuteTransactedCode); PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_PENDING); int rc; try { rc = UnsafeNativeMethods.TransactManagedCallback(execCallback, (int)mode); } finally { PerfCounters.DecrementCounter(AppPerfCounter.TRANSACTIONS_PENDING); } // rethrow the expection originally caught in managed code if (call.Error != null) throw new HttpException(null, call.Error); PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_TOTAL); if (rc == 1) { PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_COMMITTED); transactionAborted = false; } else if (rc == 0) { PerfCounters.IncrementCounter(AppPerfCounter.TRANSACTIONS_ABORTED); transactionAborted = true; } else { throw new HttpException(SR.GetString(SR.Cannot_execute_transacted_code)); } } // Class with wrappers to ContextUtil that don't throw internal class Utils { private Utils() { } /* internal static String TransactionId { get { String id = null; try { id = ContextUtil.TransactionId.ToString(); } catch { } return id; } } */ internal static bool IsInTransaction { get { bool inTransaction = false; try { inTransaction = ContextUtil.IsInTransaction; } catch { } return inTransaction; } } internal static bool AbortPending { get { bool aborted = false; try { if (ContextUtil.MyTransactionVote == TransactionVote.Abort) aborted = true; } catch { } return aborted; } } } // Managed class encapsulating the transacted call internal class TransactedInvocation { private TransactedCallback _callback; private Exception _error; internal TransactedInvocation(TransactedCallback callback) { _callback = callback; } internal int ExecuteTransactedCode() { TransactedExecState state = TransactedExecState.CommitPending; try { _callback(); if (Transactions.Utils.AbortPending) state = TransactedExecState.AbortPending; } catch (Exception e) { _error = e; // remember exception to be rethrown back in managed code state = TransactedExecState.Error; } return (int)state; } internal Exception Error { get { return _error; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.[To be supplied.] ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ObjectContext.cs
- AdPostCacheSubstitution.cs
- GACMembershipCondition.cs
- EventManager.cs
- SafeEventLogWriteHandle.cs
- util.cs
- DetailsViewPageEventArgs.cs
- Error.cs
- FontWeightConverter.cs
- WebPartMovingEventArgs.cs
- MruCache.cs
- Int16AnimationBase.cs
- PageWrapper.cs
- TextElementEnumerator.cs
- TTSEngineTypes.cs
- DataSourceIDConverter.cs
- KnownBoxes.cs
- VirtualPath.cs
- IsolatedStorage.cs
- FixedPageStructure.cs
- ManagedWndProcTracker.cs
- PrinterSettings.cs
- CopyCodeAction.cs
- DiscardableAttribute.cs
- ConnectionManagementSection.cs
- SchemaManager.cs
- StringComparer.cs
- CompilerError.cs
- dataprotectionpermission.cs
- ChtmlTextWriter.cs
- TextContainerHelper.cs
- UniqueSet.cs
- CroppedBitmap.cs
- GenericPrincipal.cs
- MediaTimeline.cs
- XmlnsCompatibleWithAttribute.cs
- KnownTypesHelper.cs
- ViewCellSlot.cs
- SubpageParaClient.cs
- FlowDocumentScrollViewer.cs
- WorkflowInstanceContextProvider.cs
- LinkButton.cs
- AbstractExpressions.cs
- WinEventQueueItem.cs
- DbConnectionStringCommon.cs
- sqlser.cs
- MachineKeyConverter.cs
- DeviceSpecific.cs
- DictionaryTraceRecord.cs
- DataBindingsDialog.cs
- DataSourceExpression.cs
- HiddenField.cs
- LocatorPart.cs
- TreeViewItem.cs
- BitmapEffectrendercontext.cs
- SecurityAccessDeniedException.cs
- Pair.cs
- TypeUnloadedException.cs
- ToolStripDropDownItemDesigner.cs
- ApplicationSettingsBase.cs
- HtmlInputRadioButton.cs
- TextRangeAdaptor.cs
- ContextStack.cs
- FormViewPagerRow.cs
- TableRow.cs
- HwndSubclass.cs
- HyperLink.cs
- CalendarDay.cs
- ReaderWriterLock.cs
- SqlParameterizer.cs
- HTTPNotFoundHandler.cs
- ComponentEditorPage.cs
- SqlFactory.cs
- GeneralTransformGroup.cs
- EtwTrace.cs
- FrameworkContextData.cs
- MonthChangedEventArgs.cs
- HttpConfigurationContext.cs
- CriticalExceptions.cs
- GraphicsContext.cs
- DesignSurfaceServiceContainer.cs
- Clock.cs
- TextEncodedRawTextWriter.cs
- TaskFormBase.cs
- Helper.cs
- CorrelationTokenTypeConvertor.cs
- SiteMapNode.cs
- RadioButtonRenderer.cs
- VirtualPathProvider.cs
- ObjectItemCollectionAssemblyCacheEntry.cs
- ConstructorBuilder.cs
- FormViewInsertedEventArgs.cs
- InkPresenter.cs
- EDesignUtil.cs
- itemelement.cs
- PropertyAccessVisitor.cs
- ErrorWebPart.cs
- XmlHelper.cs
- HandleCollector.cs
- NetNamedPipeSecurityMode.cs