Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / StateMachineAction.cs / 1305376 / StateMachineAction.cs
#region Using directives using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Reflection; using System.Diagnostics; using System.Runtime.Remoting.Messaging; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Design; using System.Workflow.Runtime; using System.Workflow.Runtime.Hosting; #endregion Using directives namespace System.Workflow.Activities { [Serializable] internal class StateMachineAction { private string _stateName; [NonSerialized] private StateActivity _state; [NonSerialized] private StateActivity _currentState; private StateMachineExecutionState _executionState; private StateMachineSubscriptionManager _subscriptionManager; internal string StateName { get { return _stateName; } } protected StateActivity State { get { return _state; } } protected StateActivity CurrentState { get { return _currentState; } } protected StateMachineExecutionState ExecutionState { get { return _executionState; } } protected StateMachineSubscriptionManager SubscriptionManager { get { return _subscriptionManager; } } internal StateMachineAction(string stateName) { _stateName = stateName; } internal virtual void Execute(ActivityExecutionContext context) { if (context == null) throw new ArgumentNullException("context"); Debug.Assert(context.Activity.QualifiedName.Equals(this.StateName)); _state = (StateActivity)context.Activity; _currentState = StateMachineHelpers.GetCurrentState(context); StateActivity rootState = StateMachineHelpers.GetRootState(_state); _executionState = StateMachineExecutionState.Get(rootState); _subscriptionManager = _executionState.SubscriptionManager; } } [Serializable] internal class CloseStateAction : StateMachineAction { internal CloseStateAction(string stateName) : base(stateName) { } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); StateActivity.LeavingState(context); } } [Serializable] internal class ExecuteChildStateAction : StateMachineAction { private string _childStateName; internal ExecuteChildStateAction(string stateName, string childStateName) : base(stateName) { _childStateName = childStateName; } internal string ChildStateName { get { return _childStateName; } } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); StateActivity childState = (StateActivity)this.State.Activities[this.ChildStateName]; Debug.Assert(childState.Enabled); StateActivity.ExecuteState(context, childState); } } [Serializable] internal class SubscribeAction : StateMachineAction { private string _eventDrivenName; internal SubscribeAction(string stateName, string eventDrivenName) : base(stateName) { _eventDrivenName = eventDrivenName; } internal string EventDrivenName { get { return _eventDrivenName; } } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); EventDrivenActivity eventDriven = (EventDrivenActivity)this.State.Activities[this.EventDrivenName]; Debug.Assert(eventDriven.Enabled); this.SubscriptionManager.SubscribeEventDriven(context, eventDriven); } } [Serializable] internal class UnsubscribeAction : StateMachineAction { private string _eventDrivenName; internal UnsubscribeAction(string stateName, string eventDrivenName) : base(stateName) { _eventDrivenName = eventDrivenName; } internal string EventDrivenName { get { return _eventDrivenName; } } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); EventDrivenActivity eventDriven = (EventDrivenActivity)this.State.Activities[this.EventDrivenName]; Debug.Assert(eventDriven.Enabled); this.SubscriptionManager.UnsubscribeEventDriven(context, eventDriven); } } [Serializable] internal class ExternalEventAction : StateMachineAction { private string _eventDrivenName; internal ExternalEventAction(string stateName, string eventDrivenName) : base(stateName) { _eventDrivenName = eventDrivenName; } internal string EventDrivenName { get { return _eventDrivenName; } } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); EventDrivenActivity eventDriven = (EventDrivenActivity)this.State.Activities[this.EventDrivenName]; Debug.Assert(eventDriven.Enabled); StateActivity.ExecuteEventDriven(context, eventDriven); } } [Serializable] internal class SetStateAction : StateMachineAction { private string _targetStateName; internal SetStateAction(string stateName, string targetStateName) : base(stateName) { _targetStateName = targetStateName; } internal string TargetStateName { get { return _targetStateName; } } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); this.ExecutionState.CalculateStateTransition(this.CurrentState, this.TargetStateName); } } [Serializable] internal class DisableQueuesAction : StateMachineAction { internal DisableQueuesAction(string stateName) : base(stateName) { } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); StateActivity state = this.State; StateActivity rootState = StateMachineHelpers.GetRootState(state); Queuestates = new Queue (); states.Enqueue(rootState); while (states.Count > 0) { state = states.Dequeue(); foreach (Activity activity in state.EnabledActivities) { EventDrivenActivity eventDriven = activity as EventDrivenActivity; if (eventDriven != null) { IEventActivity eventActivity = StateMachineHelpers.GetEventActivity(eventDriven); IComparable queueName = eventActivity.QueueName; if (queueName != null) { WorkflowQueue queue = StateMachineSubscriptionManager.GetWorkflowQueue(context, queueName); if (queue != null) queue.Enabled = this.SubscriptionManager.Subscriptions.ContainsKey(queueName); } } else { StateActivity childState = activity as StateActivity; if (childState != null) states.Enqueue(childState); } } } } } [Serializable] internal class EnteringStateAction : StateMachineAction { internal EnteringStateAction(string stateName) : base(stateName) { } internal override void Execute(ActivityExecutionContext context) { base.Execute(context); context.TrackData(StateActivity.StateChangeTrackingDataKey, this.CurrentState.QualifiedName); } } } // 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
- FileUtil.cs
- ManagementObjectCollection.cs
- StyleCollectionEditor.cs
- TabItemAutomationPeer.cs
- BaseAddressElement.cs
- QueryContinueDragEvent.cs
- DataGridViewImageCell.cs
- FrameworkTemplate.cs
- CounterSampleCalculator.cs
- SafeRightsManagementQueryHandle.cs
- Roles.cs
- PathGeometry.cs
- GridErrorDlg.cs
- TdsParameterSetter.cs
- XmlBinaryReader.cs
- BooleanToVisibilityConverter.cs
- CharacterString.cs
- ContextBase.cs
- TraceSection.cs
- CodeBinaryOperatorExpression.cs
- DataRowChangeEvent.cs
- RegexNode.cs
- CustomErrorCollection.cs
- BlurBitmapEffect.cs
- FileLoadException.cs
- DataServiceKeyAttribute.cs
- RegexInterpreter.cs
- IncrementalCompileAnalyzer.cs
- PropertyEmitter.cs
- DataGridViewCheckBoxColumn.cs
- PrinterUnitConvert.cs
- ToolBarButtonDesigner.cs
- Codec.cs
- GZipDecoder.cs
- SqlDataRecord.cs
- StringArrayConverter.cs
- ConsoleEntryPoint.cs
- RowToFieldTransformer.cs
- Int32EqualityComparer.cs
- HttpCachePolicyElement.cs
- IUnknownConstantAttribute.cs
- MaskedTextBoxDesignerActionList.cs
- XmlDataProvider.cs
- TraceHandler.cs
- XmlSchemaValidator.cs
- ProxyAssemblyNotLoadedException.cs
- EngineSiteSapi.cs
- SqlNodeTypeOperators.cs
- TextEncodedRawTextWriter.cs
- ProcessHostConfigUtils.cs
- ProfilePropertySettings.cs
- ObjectDataSourceMethodEventArgs.cs
- Documentation.cs
- HtmlLink.cs
- IItemProperties.cs
- EventDescriptor.cs
- AuthenticationService.cs
- Cursor.cs
- XmlDownloadManager.cs
- ApplyTemplatesAction.cs
- SystemUdpStatistics.cs
- ScrollEvent.cs
- ViewCellRelation.cs
- SimpleHandlerFactory.cs
- InternalReceiveMessage.cs
- GeneralTransform3DGroup.cs
- LineServicesRun.cs
- unsafenativemethodstextservices.cs
- NamedElement.cs
- RemotingConfigParser.cs
- MenuItemBindingCollection.cs
- Vector3DKeyFrameCollection.cs
- SchemaCollectionPreprocessor.cs
- ReturnEventArgs.cs
- TimeSpan.cs
- PackWebResponse.cs
- WebPartEditorCancelVerb.cs
- ConnectionStringEditor.cs
- FloaterParagraph.cs
- InvalidCastException.cs
- StylusTip.cs
- HttpDebugHandler.cs
- XmlStreamStore.cs
- StatusBar.cs
- QilTargetType.cs
- ButtonPopupAdapter.cs
- BypassElementCollection.cs
- LineSegment.cs
- CellRelation.cs
- IImplicitResourceProvider.cs
- DoubleAnimation.cs
- SqlUtils.cs
- ReadOnlyNameValueCollection.cs
- VirtualPathData.cs
- TypeDescriptionProviderAttribute.cs
- _LocalDataStoreMgr.cs
- SID.cs
- hwndwrapper.cs
- ThemeableAttribute.cs
- InputProcessorProfiles.cs