private void ApolloClient_SubscriptionRouteAdded(object sender, ApolloSubscriptionFieldEventArgs e)
{
var client = sender as ApolloClientProxy <TSchema>;
if (client == null)
{
return;
}
var names = SubscriptionEventName.FromGraphField(_schema, e.Field);
foreach (var name in names)
{
lock (_syncLock)
{
if (!_subCountByName.ContainsKey(name))
{
_subCountByName.Add(name, new HashSet <ApolloClientProxy <TSchema> >());
}
_subCountByName[name].Add(client);
if (_subCountByName[name].Count == 1)
{
_eventRouter.AddReceiver(name, this);
_logger?.EventMonitorStarted(name);
}
}
}
}
private void ApolloClient_SubscriptionRouteRemoved(object sender, ApolloSubscriptionFieldEventArgs e)
{
var client = sender as ApolloClientProxy <TSchema>;
if (client == null)
{
return;
}
var names = SubscriptionEventName.FromGraphField(_schema, e.Field);
foreach (var name in names)
{
lock (_syncLock)
{
if (_subCountByName.TryGetValue(name, out var clients))
{
if (clients.Contains(client))
{
clients.Remove(client);
if (clients.Count == 0)
{
_subCountByName.Remove(name);
_eventRouter.RemoveReceiver(name, this);
_logger?.EventMonitorEnded(name);
}
}
}
}
}
}
