protected override async ValueTask <IActivityExecutionResult> OnExecuteAsync(ActivityExecutionContext context)
{
var parentBlueprint = context.ActivityBlueprint.Parent;
// Remove any blocking activities within the scope of the composite activity.
var blockingActivities = context.WorkflowExecutionContext.WorkflowInstance.BlockingActivities;
var blockingActivityIds = blockingActivities.Select(x => x.ActivityId).ToList();
var containedBlockingActivityIds = parentBlueprint == null ? blockingActivityIds : parentBlueprint.Activities.Where(x => blockingActivityIds.Contains(x.Id)).Select(x => x.Id).ToList();
var containedBlockingActivities = blockingActivities.Where(x => containedBlockingActivityIds.Contains(x.ActivityId));
foreach (var blockingActivity in containedBlockingActivities)
{
await context.WorkflowExecutionContext.RemoveBlockingActivityAsync(blockingActivity);
}
// Evict & remove any scope activities within the scope of the composite activity.
var scopes = context.WorkflowInstance.Scopes.Select(x => x).Reverse().ToList();
var scopeIds = scopes.Select(x => x.ActivityId).ToList();
var containedScopeActivityIds = parentBlueprint == null ? scopeIds : parentBlueprint.Activities.Where(x => scopeIds.Contains(x.Id)).Select(x => x.Id).ToList();
foreach (var scopeId in containedScopeActivityIds)
{
var scopeActivity = context.WorkflowExecutionContext.GetActivityBlueprintById(scopeId) !;
await context.WorkflowExecutionContext.EvictScopeAsync(scopeActivity);
scopes.RemoveAll(x => x.ActivityId == scopeId);
}
context.WorkflowInstance.Scopes = new SimpleStack <ActivityScope>(scopes.AsEnumerable().Reverse());
// Return output.
Output = new FinishOutput(ActivityOutput, OutcomeNames);
return(Noop());
}
protected override async ValueTask <IActivityExecutionResult> OnExecuteAsync(ActivityExecutionContext context)
{
var parentBlueprint = context.ActivityBlueprint.Parent;
var isRoot = parentBlueprint == null;
// Remove any blocking activities within the scope of the composite activity.
var blockingActivities = context.WorkflowExecutionContext.WorkflowInstance.BlockingActivities;
var blockingActivityIds = blockingActivities.Select(x => x.ActivityId).ToList();
var containedBlockingActivityIds = parentBlueprint == null ? blockingActivityIds : parentBlueprint.Activities.Where(x => blockingActivityIds.Contains(x.Id)).Select(x => x.Id).ToList();
var containedBlockingActivities = blockingActivities.Where(x => containedBlockingActivityIds.Contains(x.ActivityId));
foreach (var blockingActivity in containedBlockingActivities)
{
await context.WorkflowExecutionContext.RemoveBlockingActivityAsync(blockingActivity);
}
// Evict & remove any scope activities within the scope of the composite activity.
var scopes = context.WorkflowInstance.Scopes.Select(x => x).Reverse().ToList();
var scopeIds = scopes.Select(x => x.ActivityId).ToList();
var containedScopeActivityIds = parentBlueprint == null ? scopeIds : parentBlueprint.Activities.Where(x => scopeIds.Contains(x.Id)).Select(x => x.Id).ToList();
foreach (var scopeId in containedScopeActivityIds)
{
var scopeActivity = context.WorkflowExecutionContext.GetActivityBlueprintById(scopeId) !;
await context.WorkflowExecutionContext.EvictScopeAsync(scopeActivity);
scopes.RemoveAll(x => x.ActivityId == scopeId);
}
context.WorkflowInstance.Scopes = new SimpleStack <ActivityScope>(scopes.AsEnumerable().Reverse());
// Return output.
Output = new FinishOutput(ActivityOutput, OutcomeNames);
context.LogOutputProperty(this, nameof(Output), Output);
if (isRoot)
{
// Clear activity scheduler to prevent other scheduled activities from adding new blocking activities, which would prevent the workflow from completing.
context.WorkflowExecutionContext.ClearScheduledActivities();
}
return(Noop());
}
