public void UnsubscribeFromType(string a_Type, OnThingEvent a_Callback = null, string a_Path = "")
{
if (m_SubscriberMap.ContainsKey(a_Path))
{
Dictionary <string, List <Subscriber> > types = m_SubscriberMap[a_Path];
if (types.ContainsKey(a_Type))
{
if (a_Callback != null)
{
List <Subscriber> subs = types[a_Type];
for (int i = 0; i < subs.Count; ++i)
{
if (subs[i].m_Callback == a_Callback)
{
subs.RemoveAt(i);
break;
}
}
if (subs.Count == 0)
{
types.Remove(a_Type);
}
}
else
{
types.Remove(a_Type);
}
}
// only remove if this was the last subscriber for the given type..
if (!types.ContainsKey(a_Type))
{
Dictionary <string, object> unsubscribe = new Dictionary <string, object>();
unsubscribe["event"] = "unsubscribe_from_type";
unsubscribe["type"] = a_Type;
TopicClient.Instance.Publish(a_Path + "blackboard", Json.Serialize(unsubscribe));
}
}
}
public void SubscribeToType(string a_Type, OnThingEvent a_Callback, ThingEventType a_EventMask = ThingEventType.TE_ALL, string a_Path = "")
{
if (!m_SubscriberMap.ContainsKey(a_Path))
{
TopicClient.Instance.Subscribe(a_Path + "blackboard", OnBlackBoardEvent);
m_SubscriberMap[a_Path] = new Dictionary <string, List <Subscriber> >();
}
Dictionary <string, List <Subscriber> > types = m_SubscriberMap[a_Path];
if (!types.ContainsKey(a_Type))
{
types[a_Type] = new List <Subscriber>();
Dictionary <string, object> subscribe = new Dictionary <string, object>();
subscribe["event"] = "subscribe_to_type";
subscribe["type"] = a_Type;
subscribe["event_mask"] = (int)ThingEventType.TE_ALL; // we want all events, we will filter those events on this side
TopicClient.Instance.Publish(a_Path + "blackboard", Json.Serialize(subscribe));
}
types[a_Type].Add(new Subscriber(a_Callback, a_EventMask, a_Path));
}
public Subscriber(OnThingEvent a_Callback, ThingEventType a_EventMask, string a_Path)
{
m_Callback = a_Callback;
m_EventMask = a_EventMask;
m_Path = a_Path;
}
