/// <summary>
/// Add the subscription to the list
/// </summary>
/// <typeparam name="S">Signal type</typeparam>
/// <typeparam name="R">Response type</typeparam>
/// <param name="subscription">Subscription to add</param>
/// <param name="group">The group to use</param>
private void _AddSubscription <S, R>(ISubscription subscription, long?group)
{
var responseType = typeof(R);
var signalKey = new SignalKey(typeof(S), responseType, group);
IList subscriptionList;
// Set the subscriptions signal key
subscription._SignalKey = signalKey;
// If the signal type is not found, then create a new signal type in the dictionary
if (!_subscriptions.TryGetValue(signalKey, out subscriptionList))
{
// Set up the appropriate subscription list based on whether it is a message or request
if (responseType == typeof(NoResponse))
{
subscriptionList = new LiteList <MessageSubscription <S> >();
}
else
{
subscriptionList = new LiteList <RequestSubscription <S, R> >();
}
subscriptionList.Add(subscription);
_subscriptions.Add(signalKey, subscriptionList);
}
else
{
// The signal type / group was found, so we insert the subscription
_InsertSubscription(subscriptionList, subscription);
}
// Set the subscription's list
subscription._SubscriptionList = subscriptionList;
}
/// <summary>
/// Searches for a subscription with the proper subscriber, request action, and group
/// </summary>
/// <typeparam name="S">Signal Type</typeparam>
/// <typeparam name="R">Response Type</typeparam>
/// <param name="group">Group</param>
/// <returns>subscription if found</returns>
private ISubscription _GetSubscription <S, R>(ISubscriber subscriber, RequestAction <S, R> action,
long?group = null)
{
var signalKey = new SignalKey(typeof(S), typeof(R), group);
IList subscriptionList;
// If the signal type is not found, then create a new signal type in the dictionary
if (_subscriptions.TryGetValue(signalKey, out subscriptionList))
{
// cast the subscription list to the appropriate type
LiteList <RequestSubscription <S, R> > typeList = (LiteList <RequestSubscription <S, R> >)subscriptionList;
// search through the subscriptions for one that has the correct
// subscriber and action
for (var i = 0; i < typeList.Count; i++)
{
if (typeList[i]._Subscriber == subscriber &&
typeList[i].Action == action
)
{
return(typeList[i]);
}
}
}
return(null);
}
/// <summary>
/// Takes the broadcast off the current stack and processes any queued updates
/// </summary>
/// <param name="signalKey"></param>
private void _PostBroadcast(SignalKey signalKey)
{
_broadcastingKeys.Remove(signalKey);
if (_broadcastingKeys.Count == 0 && _hasQueuedUpdate)
{
_ProcessQueuedUpdates();
}
}
public bool Equals(SignalKey obj)
{
if (ReferenceEquals(null, obj))
{
return(false);
}
if (ReferenceEquals(this, obj))
{
return(true);
}
return(Equals(obj.SignalType, SignalType) && Equals(obj.ResponseType, ResponseType) && Equals(obj.Group, Group));
}
/// <summary>
/// Sets up a broadcast signal key and subscription list
/// </summary>
/// <typeparam name="S">Signal Type</typeparam>
/// <typeparam name="R">Response Type</typeparam>
/// <param name="group">Group</param>
/// <param name="signalKey">The returned signal key</param>
/// <param name="subscriptionList">The return subscription list</param>
/// <returns>True if successful</returns>
private bool _PreBroadcast <S, R>(long?group, out SignalKey signalKey, out IList subscriptionList)
{
signalKey = new SignalKey(typeof(S), typeof(R), group);
subscriptionList = null;
// If the manager is not active ignore the broadcast
if (!_active)
{
return(false);
}
// Make sure that this broadcast is not already occuring, such as a
// nested call. If it is we need to abort or the stack will overflow in
// recursion.
if (_broadcastingKeys.Contains(signalKey))
{
Debug.LogError("Circular broadcast will result in an overflow. Aborting.");
return(false);
}
if (_logInfo)
{
Debug.Log(string.Format("Signaler::Broadcast signal {0}", signalKey));
}
// Look for the list of subscriptions based on the signal type
if (_subscriptions.TryGetValue(signalKey, out subscriptionList))
{
_broadcastingKeys.Add(signalKey);
return(true);
}
else
{
// No subscriptions for this signal
if (_logNoSubscriptions)
{
Debug.LogWarning(string.Format("Signaler::No subscriptions for {0}!", signalKey));
}
return(false);
}
}
