protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
foreach (条件分支 branch in EnabledActivities)
{
if (string.IsNullOrEmpty(this.分支表达式))
{
if (branch.条件 == Root().当前节点提交结果)
{
branch.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(branch);
return(ActivityExecutionStatus.Executing);
}
}
else
{
if (branch.条件 == this.分支表达式)
{
branch.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(branch);
return(ActivityExecutionStatus.Executing);
}
}
}
foreach (条件分支 branch in EnabledActivities)
{
if (branch.条件 == "else")
{
branch.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(branch);
return(ActivityExecutionStatus.Executing);
}
}
return(ActivityExecutionStatus.Executing);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
Activity bodyActivity = this.BodyActivity;
if (bodyActivity == null)
{
return(ActivityExecutionStatus.Closed);
}
// run EventHandlers
EventHandlersActivity eventHandlers = this.EventHandlersActivity;
if (eventHandlers != null)
{
eventHandlers.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(eventHandlers);
}
// run body
bodyActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(bodyActivity);
// return the status
return(this.ExecutionStatus);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
bool flag = true;
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
IfElseBranchActivity activity = base.EnabledActivities[i] as IfElseBranchActivity;
if ((activity.Condition == null) || activity.Condition.Evaluate(activity, executionContext))
{
flag = false;
activity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(activity);
break;
}
}
if (!flag)
{
return(ActivityExecutionStatus.Executing);
}
return(ActivityExecutionStatus.Closed);
}
private bool TryScheduleNextChild(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
IList <Activity> enabledActivities = base.EnabledActivities;
if (enabledActivities.Count == 0)
{
return(false);
}
int num = 0;
for (int i = enabledActivities.Count - 1; i >= 0; i--)
{
if (enabledActivities[i].ExecutionStatus == ActivityExecutionStatus.Closed)
{
if (i == (enabledActivities.Count - 1))
{
return(false);
}
num = i + 1;
break;
}
}
enabledActivities[num].RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(enabledActivities[num]);
base.SetValue(ActiveChildQualifiedNameProperty, enabledActivities[num].QualifiedName);
return(true);
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException("sender");
}
EventHandlersActivity activityStatusChangeListener = context.Activity as EventHandlersActivity;
if ((activityStatusChangeListener.ExecutionStatus == ActivityExecutionStatus.Executing) && activityStatusChangeListener.EnabledActivities.Contains(this.eventDrivenActivity))
{
if (this.IsBlocked)
{
this.IsBlocked = false;
ActivityExecutionContext context2 = context.ExecutionContextManager.CreateExecutionContext(this.eventDrivenActivity);
context2.Activity.RegisterForStatusChange(Activity.ClosedEvent, activityStatusChangeListener);
context2.ExecuteActivity(context2.Activity);
}
else
{
this.PendingExecutionCount++;
}
}
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
bool noneTrue = true;
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
IfElseBranchActivity branch = this.EnabledActivities[i] as IfElseBranchActivity;
// Else case dont have enable condition so find them and enable it
if (branch.Condition == null || branch.Condition.Evaluate(branch, executionContext))
{
noneTrue = false;
branch.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(branch);
break;
}
}
return(noneTrue ? ActivityExecutionStatus.Closed : ActivityExecutionStatus.Executing);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
this.Running = true;
bool ActivityStarted = false;
if (this.Condition.Evaluate(this, executionContext))
{
for (int i = 0; i < this.Activities.Count; i++)
{
if ((string)this.Activities[i].UserData["logger"] == "logger")
{
LogToHistoryListActivity logger = (LogToHistoryListActivity)this.Activities[i];
logger.HistoryDescription = string.Format(@"Begin
Activity Execution:{0} with {1} enabled Children",
this.QualifiedName,
this.EnabledActivities.Count.ToString());
break;
}
}
}
for (int childNum = 0; childNum < this.EnabledActivities.Count;
childNum++)
{
Activity child = this.EnabledActivities[childNum] as Activity;
if (null != child)
{
child.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(child);
ActivityStarted = true;
}
}
return(ActivityStarted ? ActivityExecutionStatus.Executing : ActivityExecutionStatus.Closed);
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext parentContext = sender as ActivityExecutionContext;
if (parentContext == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
ListenActivity activityStatusChangeListener = parentContext.Activity as ListenActivity;
if (((!activityStatusChangeListener.IsListenTrigerred && (activityStatusChangeListener.ExecutionStatus != ActivityExecutionStatus.Canceling)) && (activityStatusChangeListener.ExecutionStatus != ActivityExecutionStatus.Closed)) && activityStatusChangeListener.EnabledActivities.Contains(this.eventDrivenActivity))
{
activityStatusChangeListener.IsListenTrigerred = true;
for (int i = 0; i < activityStatusChangeListener.EnabledActivities.Count; i++)
{
EventDrivenActivity activity2 = activityStatusChangeListener.EnabledActivities[i] as EventDrivenActivity;
ListenActivity.ListenEventActivitySubscriber parentEventHandler = activityStatusChangeListener.ActivityState[i];
activity2.EventActivity.Unsubscribe(parentContext, parentEventHandler);
}
this.eventDrivenActivity.RegisterForStatusChange(Activity.ClosedEvent, activityStatusChangeListener);
parentContext.ExecuteActivity(this.eventDrivenActivity);
}
}
private void ExecuteChild(ConditionedActivityGroup cag, Activity childActivity, ActivityExecutionContext context)
{
ActivityExecutionContext context2 = GetChildExecutionContext(context, childActivity, true);
cag.CAGState.ChildrenStats[childActivity.QualifiedName].State = CAGChildState.Excuting;
context2.Activity.RegisterForStatusChange(Activity.ClosedEvent, this);
context2.ExecuteActivity(context2.Activity);
}
public ActivityExecutionStatus Execute()
{
using (ActivityExecutionContext context = new ActivityExecutionContext(this.rootActivity, true))
{
context.ExecuteActivity(this.rootActivity);
}
this.scheduler.Run();
return(this.TranslateExecutionStatus());
}
/// <summary>
/// Executes any activities.
/// </summary>
/// <param name="executionContext">The execution context.</param>
private void ExecuteActivities(ActivityExecutionContext executionContext)
{
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
Activity activity = base.EnabledActivities[i];
activity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(activity);
}
}
public static ActivityExecutionStatus Execute(CompositeActivity activity, ActivityExecutionContext executionContext)
{
if (activity.EnabledActivities.Count == 0)
{
return ActivityExecutionStatus.Closed;
}
activity.EnabledActivities[0].RegisterForStatusChange(Activity.ClosedEvent, (IActivityEventListener<ActivityExecutionStatusChangedEventArgs>) activity);
executionContext.ExecuteActivity(activity.EnabledActivities[0]);
activity.SetValue(ActiveChildQualifiedNameProperty, activity.EnabledActivities[0].QualifiedName);
return ActivityExecutionStatus.Executing;
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
Activity bodyActivity = this.BodyActivity;
if (bodyActivity == null)
{
return(ActivityExecutionStatus.Closed);
}
System.Workflow.Activities.EventHandlersActivity eventHandlersActivity = this.EventHandlersActivity;
if (eventHandlersActivity != null)
{
eventHandlersActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(eventHandlersActivity);
}
bodyActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(bodyActivity);
return(base.ExecutionStatus);
}
private bool TryNextIteration(ActivityExecutionContext context)
{
if (((base.ExecutionStatus == ActivityExecutionStatus.Canceling) || (base.ExecutionStatus == ActivityExecutionStatus.Faulting)) || !this.Condition.Evaluate(this, context))
{
return(false);
}
if (base.EnabledActivities.Count > 0)
{
ActivityExecutionContext context2 = context.ExecutionContextManager.CreateExecutionContext(base.EnabledActivities[0]);
context2.Activity.RegisterForStatusChange(Activity.ClosedEvent, this);
context2.ExecuteActivity(context2.Activity);
}
return(true);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (base.EnabledActivities.Count == 0)
{
this.OnSequenceComplete(executionContext);
return(ActivityExecutionStatus.Closed);
}
base.EnabledActivities[0].RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(base.EnabledActivities[0]);
base.SetValue(ActiveChildQualifiedNameProperty, base.EnabledActivities[0].QualifiedName);
return(ActivityExecutionStatus.Executing);
}
private static void ExecuteChild(ActivityExecutionContext context, Activity childActivity)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (childActivity == null)
{
throw new ArgumentNullException("childActivity");
}
StateActivity state = (StateActivity)context.Activity;
GetExecutionState(state).SchedulerBusy = true;
ActivityExecutionContext context2 = context.ExecutionContextManager.CreateExecutionContext(childActivity);
context2.Activity.Closed += new EventHandler <ActivityExecutionStatusChangedEventArgs>(state.HandleChildActivityClosed);
context2.ExecuteActivity(context2.Activity);
}
protected override void OnActivityChangeAdd(ActivityExecutionContext executionContext, Activity addedActivity)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (addedActivity == null)
{
throw new ArgumentNullException("addedActivity");
}
ParallelActivity activity = executionContext.Activity as ParallelActivity;
if ((activity.ExecutionStatus == ActivityExecutionStatus.Executing) && activity.IsExecuting)
{
addedActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(addedActivity);
}
}
private void ExecuteChild(ConditionedActivityGroup cag, Activity childActivity, ActivityExecutionContext context)
{
Debug.Assert(cag != null);
Debug.Assert(childActivity != null);
Debug.Assert(context != null);
Debug.Assert(childActivity.ExecutionStatus == ActivityExecutionStatus.Initialized);
#if LOG
Log("ExecuteChild " + childActivity.QualifiedName + " inside " + cag.QualifiedName);
#endif
ActivityExecutionContext childContext = GetChildExecutionContext(context, childActivity, true);
cag.CAGState.ChildrenStats[childActivity.QualifiedName].State = CAGChildState.Excuting;
// subscribe for child closure
childContext.Activity.RegisterForStatusChange(Activity.ClosedEvent, this);
// execute child in inner context
childContext.ExecuteActivity(childContext.Activity);
}
/// <summary>
/// An activity has been added - hookup to that activites Closed event
/// </summary>
/// <param name="executionContext"></param>
/// <param name="addedActivity"></param>
protected override void OnActivityChangeAdd(ActivityExecutionContext executionContext, Activity addedActivity)
{
if (null == executionContext)
{
throw new ArgumentNullException("executionContext");
}
if (null == addedActivity)
{
throw new ArgumentNullException("addedActivity");
}
DaysOfWeekActivity act = executionContext.Activity as DaysOfWeekActivity;
if ((act.ExecutionStatus == ActivityExecutionStatus.Executing) && act.IsExecuting)
{
addedActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(addedActivity);
}
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
//Tomark that execute method is called for this activity.
this.IsExecuting = true;
for (int i = 0; i < this.EnabledActivities.Count; ++i)
{
Activity childActivity = this.EnabledActivities[i];
childActivity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(childActivity);
}
return((this.EnabledActivities.Count == 0) ? ActivityExecutionStatus.Closed : ActivityExecutionStatus.Executing);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
this.IsExecuting = true;
for (int i = 0; i < base.EnabledActivities.Count; i++)
{
Activity activity = base.EnabledActivities[i];
activity.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(activity);
}
if (base.EnabledActivities.Count != 0)
{
return(ActivityExecutionStatus.Executing);
}
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
ActivityExecutionStatus __status = ActivityExecutionStatus.Closed;
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
foreach (IfElseBranchActivityCustom branch in this.EnabledActivities)
{
if ((branch.Condition == null) || (branch.Condition.Evaluate(branch, executionContext)))
{
__status = ActivityExecutionStatus.Executing;
branch.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(branch);
break;
}
}
return(__status);
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException(SR.Error_SenderMustBeActivityExecutionContext, "sender");
}
ListenActivity parentActivity = context.Activity as ListenActivity;
if (!parentActivity.IsListenTrigerred && parentActivity.ExecutionStatus != ActivityExecutionStatus.Canceling && parentActivity.ExecutionStatus != ActivityExecutionStatus.Closed)
{
//Check whether it is still live in tree.
if (!parentActivity.EnabledActivities.Contains(eventDrivenActivity))//Activity is dynamically removed.
{
return;
}
parentActivity.IsListenTrigerred = true;
for (int i = 0; i < parentActivity.EnabledActivities.Count; ++i)
{
EventDrivenActivity eventDriven = parentActivity.EnabledActivities[i] as EventDrivenActivity;
ListenEventActivitySubscriber eventSubscriber = parentActivity.ActivityState[i];
eventDriven.EventActivity.Unsubscribe(context, eventSubscriber);
}
eventDrivenActivity.RegisterForStatusChange(Activity.ClosedEvent, parentActivity);
context.ExecuteActivity(eventDrivenActivity);
}
}
void IActivityEventListener <QueueEventArgs> .OnEvent(object sender, QueueEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
ActivityExecutionContext context = sender as ActivityExecutionContext;
if (context == null)
{
throw new ArgumentException("sender");
}
EventHandlersActivity handlers = context.Activity as EventHandlersActivity;
if (handlers.ExecutionStatus != ActivityExecutionStatus.Executing)
{
return;
}
if (!handlers.EnabledActivities.Contains(eventDrivenActivity))
{
return; //Activity is dynamically removed.
}
if (IsBlocked)
{
IsBlocked = false;
ActivityExecutionContextManager contextManager = context.ExecutionContextManager;
ActivityExecutionContext childContext = contextManager.CreateExecutionContext(eventDrivenActivity);
childContext.Activity.RegisterForStatusChange(Activity.ClosedEvent, handlers);
childContext.ExecuteActivity(childContext.Activity);
}
else
{
PendingExecutionCount++;
}
}
private void ExecuteTemplate(ActivityExecutionContext executionContext, ChildExecutionStateInfo childStateInfo)
{
ActivityExecutionContextManager executionContextManager = executionContext.ExecutionContextManager;
ActivityExecutionContext childContext = executionContextManager.CreateExecutionContext(base.EnabledActivities[0]);
childStateInfo.RunId = childContext.ContextGuid;
childStateInfo.Status = ChildRunStatus.Running;
try
{
base.RaiseGenericEvent <ReplicatorChildEventArgs>(ChildInitializedEvent, this, new ReplicatorChildEventArgs(childStateInfo.InstanceData, childContext.Activity));
}
catch
{
childStateInfo.RunId = Guid.Empty;
childStateInfo.Status = ChildRunStatus.Completed;
executionContextManager.CompleteExecutionContext(childContext);
throw;
}
childContext.ExecuteActivity(childContext.Activity);
childContext.Activity.RegisterForStatusChange(Activity.ClosedEvent, new ReplicatorSubscriber(this, childContext.ContextGuid));
}
/// <summary>
/// Execute the activity
/// </summary>
/// <param name="executionContext"></param>
/// <returns>Exedcuting if any children are running, otherwise Closed</returns>
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (null == executionContext)
{
throw new ArgumentNullException("executionContext");
}
this.IsExecuting = true;
for (int pos = 0; pos < base.EnabledActivities.Count; pos++)
{
SequenceActivity act = base.EnabledActivities[pos] as SequenceActivity;
if (null != act)
{
/* foreach (Account account in Customer.Accounts)
* {
* if (account.GetType() == act.AccountType)
* {
* act.Account = account;
* act.RegisterForStatusChange(Activity.ClosedEvent, this);
* executionContext.ExecuteActivity(act);
* }
* }*/
act.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(act);
}
}
if (base.EnabledActivities.Count != 0)
{
return(ActivityExecutionStatus.Executing);
}
else
{
return(ActivityExecutionStatus.Closed);
}
}
private bool TryNextIteration(ActivityExecutionContext context)
{
if (this.ExecutionStatus == ActivityExecutionStatus.Canceling || this.ExecutionStatus == ActivityExecutionStatus.Faulting || !this.Condition.Evaluate(this, context))
{
return(false);
}
else
{
if (this.EnabledActivities.Count > 0)
{
ActivityExecutionContextManager contextManager = context.ExecutionContextManager;
ActivityExecutionContext innerContext = contextManager.CreateExecutionContext(this.EnabledActivities[0]);
innerContext.Activity.RegisterForStatusChange(Activity.ClosedEvent, this);
innerContext.ExecuteActivity(innerContext.Activity);
}
else
{
System.Diagnostics.Debug.Assert(false);
}
return(true);
}
}
private static void ExecuteChild(ActivityExecutionContext context, Activity childActivity)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (childActivity == null)
{
throw new ArgumentNullException("childActivity");
}
StateActivity state = (StateActivity)context.Activity;
StateMachineExecutionState executionState = GetExecutionState(state);
Debug.Assert(!executionState.SchedulerBusy);
executionState.SchedulerBusy = true;
ActivityExecutionContextManager contextManager = context.ExecutionContextManager;
ActivityExecutionContext childContext = contextManager.CreateExecutionContext(childActivity);
childContext.Activity.Closed += state.HandleChildActivityClosed;
childContext.ExecuteActivity(childContext.Activity);
}
// This function executes the ForEach activity. It advances the current index of the collection.
// If the end of the collection is reached, return false. Otherwise, it executes any child activity
// and return true.
private bool ExecuteNext(ActivityExecutionContext context)
{
// First, move to the next position.
if (!this.Enumerator.MoveNext())
{
return(false);
}
// Execute the child activity.
if (this.EnabledActivities.Count > 0)
{
// Add the child activity to the execution context and setup the event handler to
// listen to the child Close event.
// A new instance of the child activity is created for each iteration.
ActivityExecutionContext innerContext =
context.ExecutionContextManager.CreateExecutionContext(this.EnabledActivities[0]);
innerContext.Activity.Closed += this.OnChildClose;
// Fire the Iterating event.
base.RaiseEvent(IteratingEvent, this, EventArgs.Empty);
// Execute the child activity again.
innerContext.ExecuteActivity(innerContext.Activity);
}
else
{
// an empty foreach loop.
// If the ForEach activity is still executing, then execute the next one.
if (this.ExecutionStatus == ActivityExecutionStatus.Executing)
{
if (!ExecuteNext(context))
{
context.CloseActivity();
}
}
}
return(true);
}
private bool TryScheduleNextChild(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
IList <Activity> seqList = this.EnabledActivities;
if (seqList.Count == 0)
{
return(false);
}
//Find index of next activity to run.
int indexOfNextActivity = 0;
for (int i = (seqList.Count - 1); i >= 0; i--)
{
if (seqList[i].ExecutionStatus == ActivityExecutionStatus.Closed)
{
//Check whether this is last child?
if (i == (seqList.Count - 1))
{
return(false);
}
indexOfNextActivity = i + 1;
break;
}
}
seqList[indexOfNextActivity].RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(seqList[indexOfNextActivity]);
this.SetValue(ActiveChildQualifiedNameProperty, seqList[indexOfNextActivity].QualifiedName);
return(true);
}
/// <summary>
/// Execute the activity
/// </summary>
/// <param name="executionContext"></param>
/// <returns>Exedcuting if any children are running, otherwise Closed</returns>
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (null == executionContext)
{
throw new ArgumentNullException("executionContext");
}
this.IsExecuting = true;
bool executingChildren = false;
DateTime date = (this.Date == DateTime.MinValue) ? DateTime.Now : this.Date;
// Get the day of the week from this activity & convert to a WeekdayEnum
WeekdayEnum weekday = date.DayOfWeek == 0 ? WeekdayEnum.Sunday : (WeekdayEnum)(Convert.ToInt32(Math.Pow(2, (int)date.DayOfWeek)));
for (int pos = 0; pos < base.EnabledActivities.Count; pos++)
{
SequenceActivity act = base.EnabledActivities[pos] as SequenceActivity;
if (null != act)
{
// Get the attached Weekday property for the activity
WeekdayEnum weekdays = (WeekdayEnum)GetWeekday(act);
// Now check for a match
if ((weekdays & weekday) != WeekdayEnum.None)
{
executingChildren = true;
act.RegisterForStatusChange(Activity.ClosedEvent, this);
executionContext.ExecuteActivity(act);
}
}
}
return(executingChildren ? ActivityExecutionStatus.Executing : ActivityExecutionStatus.Closed);
}
public ActivityExecutionStatus Execute()
{
using (ActivityExecutionContext activityExecutionContext = new ActivityExecutionContext(this.rootActivity, true))
{
activityExecutionContext.ExecuteActivity(this.rootActivity);
}
scheduler.Run();
return TranslateExecutionStatus();
}
private static bool TryScheduleNextChild(CompositeActivity activity, ActivityExecutionContext executionContext)
{
IList<Activity> enabledActivities = activity.EnabledActivities;
int num = 0;
for (int i = enabledActivities.Count - 1; i >= 0; i--)
{
if (enabledActivities[i].ExecutionStatus == ActivityExecutionStatus.Closed)
{
if (i == (enabledActivities.Count - 1))
{
return false;
}
num = i + 1;
break;
}
}
enabledActivities[num].RegisterForStatusChange(Activity.ClosedEvent, (IActivityEventListener<ActivityExecutionStatusChangedEventArgs>) activity);
executionContext.ExecuteActivity(enabledActivities[num]);
activity.SetValue(ActiveChildQualifiedNameProperty, enabledActivities[num].QualifiedName);
return true;
}
internal void Start()
{
using (new ScheduleWork(this))
{
using (this.ExecutorLock.Enter())
{
if (this.WorkflowStatus != System.Workflow.Runtime.WorkflowStatus.Created)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, ExecutionStringManager.CannotStartInstanceTwice, new object[] { this.InstanceId }));
}
this.WorkflowStatus = System.Workflow.Runtime.WorkflowStatus.Running;
using (new ServiceEnvironment(this.rootActivity))
{
this.FireWorkflowExecutionEvent(this, WorkflowEventInternal.Starting);
try
{
using (ActivityExecutionContext context = new ActivityExecutionContext(this.rootActivity, true))
{
this.schedulingContext.CanRun = true;
using (new SchedulerLockGuard(this._schedulerLock, this))
{
context.ExecuteActivity(this.rootActivity);
}
}
}
catch (Exception exception)
{
this.Terminate(exception.Message);
throw;
}
this.FireWorkflowExecutionEvent(this, WorkflowEventInternal.Started);
}
}
}
}
internal void Start()
{
using (ScheduleWork work = new ScheduleWork(this))
{
using (this.ExecutorLock.Enter())
{
if (this.WorkflowStatus != WorkflowStatus.Created)
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, ExecutionStringManager.CannotStartInstanceTwice, this.InstanceId));
// Set a new ServiceEnvironment to establish a current batch in TLS
// This is needed for synchronous status change notification at start
// (status init->executing) when there is no batch in TLS yet
// and there are subscribers like tracking
this.WorkflowStatus = WorkflowStatus.Running;
using (new ServiceEnvironment(this.rootActivity))
{
FireWorkflowExecutionEvent(this, WorkflowEventInternal.Starting);
try
{
using (ActivityExecutionContext executionContext = new ActivityExecutionContext(this.rootActivity, true))
{
// make sure the scheduler is able to run
this.schedulingContext.CanRun = true;
// Since we are actually scheduling work at this point, we should grab
// the scheduler lock. This will avoid ----s some operations we schedule
// start executing before we are done scheduling all operations.
using (new SchedulerLockGuard(this._schedulerLock, this))
{
executionContext.ExecuteActivity(this.rootActivity);
}
}
}
catch (Exception e)
{
Terminate(e.Message);
throw;
}
FireWorkflowExecutionEvent(this, WorkflowEventInternal.Started);
}
}
}
}
private static bool TryScheduleNextChild(CompositeActivity activity, ActivityExecutionContext executionContext)
{
IList<Activity> children = activity.EnabledActivities;
// Find index of next activity to run.
int indexOfNextActivity = 0;
for (int i = (children.Count - 1); i >= 0; i--)
{
if (children[i].ExecutionStatus == ActivityExecutionStatus.Closed)
{
// Check whether this is last child?
if (i == (children.Count - 1))
return false;
indexOfNextActivity = i + 1;
break;
}
}
children[indexOfNextActivity].RegisterForStatusChange(Activity.ClosedEvent, (IActivityEventListener<ActivityExecutionStatusChangedEventArgs>)activity);
executionContext.ExecuteActivity(children[indexOfNextActivity]);
activity.SetValue(ActiveChildQualifiedNameProperty, children[indexOfNextActivity].QualifiedName);
return true;
}