public Guid Subscribe(FirebasePath path, string eventName, SnapshotCallback callback, object context, bool once,
IEnumerable<ISubscriptionFilter> filters)
{
var sub = new Subscription(_app, filters)
{
Event = eventName,
Callback = callback,
Context = context,
Once = once,
Path = path,
};
if (!once)
{
lock (_lock)
{
_subscriptions.Add(sub);
}
}
_syncDb.ExecuteInitial(sub);
return sub.SubscriptionId;
}
internal void ExecuteInitial(Subscription sub)
{
lock (_lock)
{
if (!_initialReceive)
{
_initialSubscriptions.Enqueue(sub);
return;
}
}
sub.Process(this);
}