public HandleResult HandleEvent(
Guid processInstanceId,
Guid tokenId,
object eventData
)
{
var instance = InstancesStore.GetById(processInstanceId);
if (instance == null)
{
throw new InvalidOperationException("Instance not found.");
}
var model = ModelsStore.GetById(Guid.Parse(instance.ProcessModelId));
if (model == null)
{
throw new InvalidOperationException("Instance process model not found.");
}
var context = new ExecutionContext(this, model, instance, instance.Token.FindById(tokenId), null);
var tokens = instance.HandleEvent(context, eventData);
InstancesStore.Store(instance);
return(new HandleResult(
Guid.Parse(model.Id),
Guid.Parse(instance.Id),
tokens.Select(token => token.Id).ToList()));
}
public void Attach(ProcessInstance instance)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (ModelsStore.GetById(Guid.Parse(instance.ProcessModelId)) == null)
{
throw new ArgumentException("Trying to attach an instance with an unrecognized model.", nameof(instance));
}
InstancesStore.Store(instance);
}