private async Task <Guid> SubscribeAsync(Action <MultiMapEventHandlers <TKey, TValue> > events, Maybe <TKey> key, bool includeValues, object state)
{
if (events == null)
{
throw new ArgumentNullException(nameof(events));
}
var handlers = new MultiMapEventHandlers <TKey, TValue>();
events(handlers);
// 0: no entryKey
// 1: entryKey
var mode = key.Match(1, 0);
var keyv = key.ValueOrDefault();
var subscribeRequest = mode switch
{
0 => MultiMapAddEntryListenerCodec.EncodeRequest(Name, includeValues, Cluster.IsSmartRouting),
1 => MultiMapAddEntryListenerToKeyCodec.EncodeRequest(Name, ToData(keyv), includeValues, Cluster.IsSmartRouting),
_ => throw new NotSupportedException()
};
var subscription = new ClusterSubscription(
subscribeRequest,
ReadSubscribeResponse,
CreateUnsubscribeRequest,
ReadUnsubscribeResponse,
HandleEventAsync,
new MapSubscriptionState(mode, Name, handlers, state));
await Cluster.Events.InstallSubscriptionAsync(subscription).CfAwait();
return(subscription.Id);
}
public MapSubscriptionState(int mode, string name, MultiMapEventHandlers <TKey, TValue> handlers, object state)
: base(name, handlers, state)
{
Mode = mode;
}
