protected internal override ValidationErrorCollection ValidateChanges(Activity contextActivity)
{
if (contextActivity == null)
{
throw new ArgumentNullException("contextActivity");
}
ValidationErrorCollection errors = new ValidationErrorCollection();
CompositeActivity ownerActivity = contextActivity.TraverseDottedPathFromRoot(this.OwnerActivityDottedPath) as CompositeActivity;
if (ownerActivity != null && WorkflowChanges.IsActivityExecutable(ownerActivity))
{
foreach (Validator validator in ComponentDispenser.CreateComponents(ownerActivity.GetType(), typeof(ActivityValidatorAttribute)))
{
ValidationError error = validator.ValidateActivityChange(ownerActivity, this);
if (error != null)
{
errors.Add(error);
}
}
}
return(errors);
}
private void NotifyChangesToChildExecutors(IWorkflowCoreRuntime workflowCoreRuntime, Activity contextActivity, IList <WorkflowChangeAction> changeActions)
{
foreach (WorkflowChangeAction action in changeActions)
{
if (!(action is ActivityChangeAction))
{
continue;
}
CompositeActivity ownerActivity = contextActivity.TraverseDottedPathFromRoot(((ActivityChangeAction)action).OwnerActivityDottedPath) as CompositeActivity;
if (ownerActivity == null || !WorkflowChanges.IsActivityExecutable(ownerActivity))
{
continue;
}
ISupportWorkflowChanges compositeActivityExecutor = ActivityExecutors.GetActivityExecutor(ownerActivity) as ISupportWorkflowChanges;
if (compositeActivityExecutor == null)
{
throw new ApplicationException(SR.GetString(SR.Error_WorkflowChangesNotSupported, ownerActivity.GetType().FullName));
}
using (workflowCoreRuntime.SetCurrentActivity(ownerActivity))
{
using (ActivityExecutionContext executionContext = new ActivityExecutionContext(ownerActivity))
{
if (action is AddedActivityAction)
{
Activity addedActivity = ownerActivity.Activities[((AddedActivityAction)action).Index];
if (WorkflowChanges.IsActivityExecutable(addedActivity))
{
addedActivity.OnActivityExecutionContextLoad(executionContext.Activity.RootActivity.WorkflowCoreRuntime);
executionContext.InitializeActivity(addedActivity);
compositeActivityExecutor.OnActivityAdded(executionContext, addedActivity);
}
}
else if (action is RemovedActivityAction)
{
RemovedActivityAction removedActivityAction = (RemovedActivityAction)action;
if (WorkflowChanges.IsActivityExecutable(removedActivityAction.OriginalRemovedActivity))
{
compositeActivityExecutor.OnActivityRemoved(executionContext, removedActivityAction.OriginalRemovedActivity);
if (removedActivityAction.OriginalRemovedActivity.ExecutionResult != ActivityExecutionResult.Uninitialized)
{
removedActivityAction.OriginalRemovedActivity.Uninitialize(executionContext.Activity.RootActivity.WorkflowCoreRuntime);
removedActivityAction.OriginalRemovedActivity.SetValue(Activity.ExecutionResultProperty, ActivityExecutionResult.Uninitialized);
}
removedActivityAction.OriginalRemovedActivity.OnActivityExecutionContextUnload(executionContext.Activity.RootActivity.WorkflowCoreRuntime);
removedActivityAction.OriginalRemovedActivity.Dispose();
}
}
}
}
}
}
private void NotifyChangesToChildExecutors(IWorkflowCoreRuntime workflowCoreRuntime, Activity contextActivity, IList <WorkflowChangeAction> changeActions)
{
foreach (WorkflowChangeAction action in changeActions)
{
if (action is ActivityChangeAction)
{
CompositeActivity activity = contextActivity.TraverseDottedPathFromRoot(((ActivityChangeAction)action).OwnerActivityDottedPath) as CompositeActivity;
if ((activity != null) && IsActivityExecutable(activity))
{
ISupportWorkflowChanges activityExecutor = ActivityExecutors.GetActivityExecutor(activity) as ISupportWorkflowChanges;
if (activityExecutor == null)
{
throw new ApplicationException(SR.GetString("Error_WorkflowChangesNotSupported", new object[] { activity.GetType().FullName }));
}
using (workflowCoreRuntime.SetCurrentActivity(activity))
{
using (ActivityExecutionContext context = new ActivityExecutionContext(activity))
{
if (action is AddedActivityAction)
{
Activity activity2 = activity.Activities[((AddedActivityAction)action).Index];
if (IsActivityExecutable(activity2))
{
activity2.OnActivityExecutionContextLoad(context.Activity.RootActivity.WorkflowCoreRuntime);
context.InitializeActivity(activity2);
activityExecutor.OnActivityAdded(context, activity2);
}
}
else if (action is RemovedActivityAction)
{
RemovedActivityAction action2 = (RemovedActivityAction)action;
if (IsActivityExecutable(action2.OriginalRemovedActivity))
{
activityExecutor.OnActivityRemoved(context, action2.OriginalRemovedActivity);
if (action2.OriginalRemovedActivity.ExecutionResult != ActivityExecutionResult.Uninitialized)
{
action2.OriginalRemovedActivity.Uninitialize(context.Activity.RootActivity.WorkflowCoreRuntime);
action2.OriginalRemovedActivity.SetValue(Activity.ExecutionResultProperty, ActivityExecutionResult.Uninitialized);
}
action2.OriginalRemovedActivity.OnActivityExecutionContextUnload(context.Activity.RootActivity.WorkflowCoreRuntime);
action2.OriginalRemovedActivity.Dispose();
}
}
}
}
}
}
}
}
