public async Task Execute(CasePlanInstanceAggregate casePlanInstance, CancellationToken cancellationToken)
{
var terminateSub = await _subscriberRepository.TrySubscribe(casePlanInstance.AggregateId, CMMNConstants.ExternalTransitionNames.Terminate, cancellationToken);
if (casePlanInstance.State == null)
{
casePlanInstance.MakeTransition(CMMNTransitions.Create);
}
if (casePlanInstance.State == CaseStates.Active)
{
var executionContext = new CMMNExecutionContext {
Instance = casePlanInstance
};
foreach (var fileItem in casePlanInstance.FileItems)
{
await _processorFactory.Execute(executionContext, fileItem, cancellationToken);
}
await _processorFactory.Execute(executionContext, casePlanInstance.StageContent, cancellationToken);
if (casePlanInstance.StageContent.TakeStageState == TaskStageStates.Completed)
{
casePlanInstance.MakeTransition(CMMNTransitions.Complete, false);
return;
}
if (casePlanInstance.StageContent.TakeStageState == TaskStageStates.Terminated)
{
casePlanInstance.MakeTransition(CMMNTransitions.Terminate, false);
return;
}
if (terminateSub.IsCaptured)
{
await _subscriberRepository.TryReset(casePlanInstance.AggregateId, null, CMMNConstants.ExternalTransitionNames.Terminate, cancellationToken);
casePlanInstance.MakeTransition(CMMNTransitions.Terminate);
}
}
await Publish <CaseInstanceWorkerTaskAddedEvent>(casePlanInstance, cancellationToken);
await Publish <CaseInstanceWorkerTaskRemovedEvent>(casePlanInstance, cancellationToken);
}
private async Task ExecuteNode(CMMNExecutionContext executionContext, CaseEltInstance node, CancellationToken token)
{
await _processorFactory.Execute(executionContext, node, token);
var domainEvts = executionContext.Instance.DomainEvents.Where((evt) =>
{
var r = evt as CaseElementTransitionRaisedEvent;
if (r == null)
{
return(false);
}
return(r.ElementId == node.Id);
}).Cast <CaseElementTransitionRaisedEvent>()
.Select(_ => new IncomingTransition(_.Transition, _.IncomingTokens)).ToList();
var nextNodes = executionContext.Instance.GetNextCasePlanItems(node);
foreach (var nextNode in nextNodes)
{
executionContext.Instance.ConsumeTransitionEvts(nextNode, node.Id, domainEvts);
await ExecuteNode(executionContext, nextNode, token);
}
}
