Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / TransactionBridge / Microsoft / Transactions / Wsat / StateMachines / StateMachine.cs / 1 / StateMachine.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- // This file contains definitions and default implementations for the various // state machines in the protocol provider using System; using System.Collections; using System.Diagnostics; using System.Text; using Microsoft.Transactions.Bridge; using Microsoft.Transactions.Wsat.InputOutput; using Microsoft.Transactions.Wsat.Messaging; using Microsoft.Transactions.Wsat.Protocol; namespace Microsoft.Transactions.Wsat.StateMachines { abstract partial class StateMachine : ITimerRecipient { protected TransactionEnlistment enlistment; protected ProtocolState state; protected SynchronizationManager synchronization; State current; StateMachineHistory history; protected StateMachine(TransactionEnlistment enlistment) { this.enlistment = enlistment; this.state = enlistment.State; this.synchronization = new SynchronizationManager(this); if (DebugTrace.Warning || DiagnosticUtility.ShouldTraceWarning) { this.history = new StateMachineHistory(); } } public override string ToString() { return this.GetType().Name; } public State State { get { return this.current; } } public abstract State AbortedState { get; } public TransactionEnlistment Enlistment { get { return this.enlistment; } } public StateMachineHistory History { get { return this.history; } } public Guid UniqueId { get { return this.enlistment.EnlistmentId; } } public void Enqueue (SynchronizationEvent e) { this.synchronization.Enqueue (e); } public void Dispatch (SynchronizationEvent e) { if (this.history != null) { this.history.AddEvent (e.ToString()); } e.Execute(this); } public void ChangeState (State newState) { if (this.history != null) { this.history.AddState (newState.ToString()); } // Deliver leave event if (this.current != null) { if (DebugTrace.Info) { DebugTrace.TxTrace(TraceLevel.Info, this.enlistment.EnlistmentId, "Leaving [{0}]", this.current); } this.current.Leave (this); } if (DebugTrace.Info) { DebugTrace.TxTrace (TraceLevel.Info, this.enlistment.EnlistmentId, "Entering [{0}]", newState); } // Set current state this.current = newState; // Deliver enter event this.current.Enter (this); } public void TraceInvalidEvent (SynchronizationEvent e, bool fatal) { // Debug tracing if (DebugTrace.Error) { if (this.history != null) { DebugTrace.TxTrace ( TraceLevel.Error, e.Enlistment.EnlistmentId, "The {0} was not expected by the {1} state. The state machine history history follows:\n\n{2}", e, this.current, this.history.ToString() ); } else { DebugTrace.TxTrace ( TraceLevel.Error, e.Enlistment.EnlistmentId, "The {0} was not expected by the {1} state", e, this.current ); } } // Diagnostic tracing if (fatal) { FatalUnexpectedStateMachineEventRecord.TraceAndLog ( this.enlistment.EnlistmentId, this.enlistment.Enlistment.RemoteTransactionId, this.ToString(), this.current.ToString(), this.history, e.ToString(), null // It would have been nice to have added context-sensitive details here. // Maybe next time... See MB 19006 for more details ); } else { NonFatalUnexpectedStateMachineEventRecord.TraceAndLog ( this.enlistment.EnlistmentId, this.enlistment.Enlistment.RemoteTransactionId, this.ToString(), this.current.ToString(), this.history, e.ToString(), null // It would have been nice to have added context-sensitive details here. // Maybe next time... See MB 19006 for more details ); } } public virtual void Cleanup() { this.enlistment.OnStateMachineComplete(); } } abstract class ParticipantStateMachine : StateMachine { ParticipantEnlistment participant; public ParticipantStateMachine (ParticipantEnlistment participant) : base (participant) { this.participant = participant; } protected override void OnTimer(TimerProfile profile) { base.OnTimer(profile); this.synchronization.Enqueue(new TimerParticipantEvent(participant, profile)); } } class DurableStateMachine : ParticipantStateMachine { public DurableStateMachine (ParticipantEnlistment participant) : base (participant) {} public override State AbortedState { get { return state.States.DurableAborted; } } } class VolatileStateMachine : ParticipantStateMachine { public VolatileStateMachine (ParticipantEnlistment participant) : base (participant) {} public override State AbortedState { get { return state.States.VolatileAborted; } } } class SubordinateStateMachine : StateMachine { public SubordinateStateMachine(ParticipantEnlistment participant) : base(participant) { } public override State AbortedState { get { return state.States.SubordinateFinished; } } } class CompletionStateMachine : StateMachine { public CompletionStateMachine (CompletionEnlistment completion) : base (completion) { } public override State AbortedState { get { return state.States.CompletionAborted; } } } class CoordinatorStateMachine : StateMachine { CoordinatorEnlistment coordinator; public CoordinatorStateMachine (CoordinatorEnlistment coordinator) : base (coordinator) { this.coordinator = coordinator; } public override State AbortedState { get { return state.States.CoordinatorAborted; } } protected override void OnTimer(TimerProfile profile) { base.OnTimer(profile); this.synchronization.Enqueue (new TimerCoordinatorEvent (this.coordinator, profile)); } } class TransactionContextStateMachine : StateMachine { TransactionContextManager contextManager; public TransactionContextStateMachine(TransactionContextManager contextManager) : base(contextManager) { this.contextManager = contextManager; } public override State AbortedState { get { return state.States.TransactionContextFinished; } } public TransactionContextManager ContextManager { get { return this.contextManager; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- updatecommandorderer.cs
- NetworkCredential.cs
- HTMLTagNameToTypeMapper.cs
- SafeViewOfFileHandle.cs
- HeaderLabel.cs
- EdmComplexPropertyAttribute.cs
- IssuanceLicense.cs
- HttpRuntime.cs
- WsatServiceAddress.cs
- RepeatBehaviorConverter.cs
- BindingEntityInfo.cs
- SqlNotificationRequest.cs
- HashHelpers.cs
- ManualResetEvent.cs
- WindowShowOrOpenTracker.cs
- Array.cs
- ToolTip.cs
- HtmlTextArea.cs
- XamlStackWriter.cs
- MSG.cs
- TrustManagerMoreInformation.cs
- HWStack.cs
- AttributeUsageAttribute.cs
- CorrelationManager.cs
- PointLightBase.cs
- FixedSOMTable.cs
- ShapingEngine.cs
- BooleanFunctions.cs
- _FixedSizeReader.cs
- CultureInfoConverter.cs
- CorrelationKey.cs
- EtwTrackingBehavior.cs
- CompositeDesignerAccessibleObject.cs
- InvokeCompletedEventArgs.cs
- InputDevice.cs
- IgnoreFileBuildProvider.cs
- Number.cs
- TransformedBitmap.cs
- BoundingRectTracker.cs
- PersonalizationStateInfoCollection.cs
- EmbeddedMailObjectsCollection.cs
- KnownBoxes.cs
- RotateTransform.cs
- CompressStream.cs
- FastPropertyAccessor.cs
- WebBaseEventKeyComparer.cs
- ThreadBehavior.cs
- NativeCppClassAttribute.cs
- TabControlCancelEvent.cs
- DBConnection.cs
- ParagraphVisual.cs
- DataRowIndexBuffer.cs
- TableProviderWrapper.cs
- GifBitmapEncoder.cs
- GACIdentityPermission.cs
- DbgUtil.cs
- PathSegment.cs
- X509IssuerSerialKeyIdentifierClause.cs
- BaseCAMarshaler.cs
- UserMapPath.cs
- ResourceReferenceKeyNotFoundException.cs
- DataGridViewCellCollection.cs
- BackgroundWorker.cs
- IdentifierService.cs
- ProxyGenerationError.cs
- CreatingCookieEventArgs.cs
- BitmapImage.cs
- ConnectionProviderAttribute.cs
- clipboard.cs
- InternalsVisibleToAttribute.cs
- EditCommandColumn.cs
- ExpandoObject.cs
- DetailsViewRowCollection.cs
- FileDialogPermission.cs
- NamedObject.cs
- HighContrastHelper.cs
- DiscreteKeyFrames.cs
- FreezableDefaultValueFactory.cs
- InputLanguageCollection.cs
- FrameworkTemplate.cs
- StrokeNode.cs
- StringPropertyBuilder.cs
- ConnectionPoolManager.cs
- OdbcCommand.cs
- FrameworkContentElementAutomationPeer.cs
- ActivityDesignerHighlighter.cs
- ContextMarshalException.cs
- Debugger.cs
- FormsAuthenticationConfiguration.cs
- CompensableActivity.cs
- StartFileNameEditor.cs
- FontStyleConverter.cs
- SymDocumentType.cs
- SqlCaseSimplifier.cs
- TimeSpanValidatorAttribute.cs
- SqlConnectionManager.cs
- PropertyValueUIItem.cs
- CustomAttributeFormatException.cs
- ErrorWebPart.cs
- Label.cs