private async Task <Guid> SubscribeAsync(IPredicate predicate, bool hasPredicate, TKey key, bool hasKey, Action <ReplicatedDictionaryEventHandlers <TKey, TValue> > handle) { if (hasKey && key == null) { throw new ArgumentNullException(nameof(key)); } if (hasPredicate && predicate == null) { throw new ArgumentNullException(nameof(predicate)); } if (handle == null) { throw new ArgumentNullException(nameof(handle)); } var handlers = new ReplicatedDictionaryEventHandlers <TKey, TValue>(); handle(handlers); // 0: no entryKey, no predicate // 1: entryKey, no predicate // 2: no entryKey, predicate // 3: entryKey, predicate var mode = (hasKey ? 1 : 0) + (hasPredicate ? 2 : 0); var subscribeRequest = mode switch { 0 => ReplicatedMapAddEntryListenerCodec.EncodeRequest(Name, Cluster.IsSmartRouting), 1 => ReplicatedMapAddEntryListenerToKeyCodec.EncodeRequest(Name, ToData(key), Cluster.IsSmartRouting), 2 => ReplicatedMapAddEntryListenerWithPredicateCodec.EncodeRequest(Name, ToData(predicate), Cluster.IsSmartRouting), 3 => ReplicatedMapAddEntryListenerToKeyWithPredicateCodec.EncodeRequest(Name, ToData(key), ToData(predicate), Cluster.IsSmartRouting), _ => throw new NotSupportedException() }; var subscription = new ClusterSubscription( subscribeRequest, ReadSubscribeResponse, CreateUnsubscribeRequest, ReadUnsubscribeResponse, HandleEventAsync, new MapSubscriptionState(mode, Name, handlers)); await Cluster.Events.InstallSubscriptionAsync(subscription).CAF(); return(subscription.Id); }
public MapSubscriptionState(int mode, string name, ReplicatedDictionaryEventHandlers <TKey, TValue> handlers) : base(name, handlers) { Mode = mode; }