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
- ScrollBar.cs
- ListBoxChrome.cs
- HtmlControlAdapter.cs
- Metadata.cs
- ServiceOperationParameter.cs
- XmlSequenceWriter.cs
- AbstractSvcMapFileLoader.cs
- Converter.cs
- BamlLocalizableResource.cs
- MimeTypePropertyAttribute.cs
- RootBrowserWindowProxy.cs
- SqlVersion.cs
- Serializer.cs
- SAPIEngineTypes.cs
- WebDisplayNameAttribute.cs
- TransformationRules.cs
- RequestCacheValidator.cs
- safePerfProviderHandle.cs
- CredentialCache.cs
- SslStream.cs
- MsmqIntegrationSecurity.cs
- HasCopySemanticsAttribute.cs
- WeakReferenceEnumerator.cs
- VirtualPathProvider.cs
- SystemTcpStatistics.cs
- TogglePattern.cs
- DataGridViewCellStyleContentChangedEventArgs.cs
- Deflater.cs
- HttpClientCredentialType.cs
- SemanticKeyElement.cs
- Mouse.cs
- CompositeScriptReference.cs
- ToolBar.cs
- TreeNodeSelectionProcessor.cs
- DeviceSpecific.cs
- XmlSchema.cs
- SwitchAttribute.cs
- FontInfo.cs
- EncodingInfo.cs
- HtmlInputHidden.cs
- TypefaceMap.cs
- InfoCardRSAOAEPKeyExchangeFormatter.cs
- BooleanAnimationBase.cs
- StringValidator.cs
- BitmapEffectGeneralTransform.cs
- AuthenticationModuleElementCollection.cs
- TextFormatterContext.cs
- BulletDecorator.cs
- GrammarBuilderBase.cs
- IgnoreSectionHandler.cs
- HostingPreferredMapPath.cs
- SystemIPv6InterfaceProperties.cs
- IntranetCredentialPolicy.cs
- OracleDateTime.cs
- DesignerTransactionCloseEvent.cs
- DataContractJsonSerializer.cs
- TextParagraphView.cs
- WebReferenceCollection.cs
- metadatamappinghashervisitor.cs
- RawUIStateInputReport.cs
- AttributeCollection.cs
- FlowNode.cs
- figurelengthconverter.cs
- Interop.cs
- ObjectListTitleAttribute.cs
- UnmanagedMemoryStreamWrapper.cs
- BatchServiceHost.cs
- ConfigurationLockCollection.cs
- ProfileElement.cs
- TreeNode.cs
- GregorianCalendar.cs
- ConfigXmlCDataSection.cs
- ButtonChrome.cs
- PropertyTab.cs
- SqlTypeSystemProvider.cs
- ScrollableControl.cs
- WorkflowNamespace.cs
- MenuAdapter.cs
- PersonalizationEntry.cs
- CompilerScope.Storage.cs
- ProcessThread.cs
- IsolatedStorageFileStream.cs
- TextShapeableCharacters.cs
- DataGridViewToolTip.cs
- UTF8Encoding.cs
- ObjectDataSourceDesigner.cs
- TableLayoutSettingsTypeConverter.cs
- EntityDataSourceDataSelection.cs
- TemporaryBitmapFile.cs
- UnauthorizedAccessException.cs
- HttpHeaderCollection.cs
- OdbcParameter.cs
- ConfigurationException.cs
- Line.cs
- WebPartMenuStyle.cs
- XmlSubtreeReader.cs
- AstTree.cs
- ApplicationSettingsBase.cs
- AnimationClock.cs
- Guid.cs