public void Intercept(IInvocation invocation)
{
var method = invocation.Method.Name;
_counter++;
var historyRecord = $"{_counter}:{method}";
var index = _flowData.CallHistory.IndexOf(historyRecord);
if (index == -1)
{
// new call, proceed and update histories if no exceptions thrown
invocation.Proceed();
_flowData.CallHistory.Add(historyRecord);
// Clone Model to store new independednt instance
_flowData.ModelHistory.Add(_flow.UntypedModel.CloneObject());
}
else
{
// replay in vacuum: don't proceed call and substitute model for next call
_flow.SetModel(_flowData.ModelHistory[index]);
}
}