private static ScheduledTask NewTask <T>(ScheduledProducerSettings settings, object instance = null)
{
Type type = typeof(T);
HandlerInfo handlerInfo = new HandlerInfo(type.Namespace, type.Name);
if (instance != null)
{
handlerInfo.Instance = JsonConvert.SerializeObject(instance);
}
ScheduledTask scheduledTask = new ScheduledTask
{
Handler = JsonConvert.SerializeObject(handlerInfo)
};
settings.ProvisionTask(scheduledTask);
return(scheduledTask);
}
private Handler CreateOrGetHandler(ScheduledTask task)
{
HandlerInfo handlerInfo = JsonConvert.DeserializeObject <HandlerInfo>(task.Handler);
Handler handler;
if (!HandlerCache.TryGetValue(handlerInfo, out handler))
{
string typeName = $"{handlerInfo.Namespace}.{handlerInfo.Entrypoint}";
Type type = _settings.TypeResolver.FindTypeByName(typeName);
if (type != null)
{
object instance;
if (!string.IsNullOrWhiteSpace(handlerInfo.Instance) && !handlerInfo.Instance.Equals(NoHandlerState))
{
try
{
instance = JsonConvert.DeserializeObject(handlerInfo.Instance, type);
}
catch (Exception)
{
instance = null;
}
}
else
{
instance = Activator.CreateInstance(type);
}
if (instance != null)
{
handler = TryWrapHook <Handler>(instance);
if (handler != null)
{
HandlerCache.Add(handlerInfo, handler);
}
}
}
}
return(handler);
}
