コード例 #1
0
 /// <summary>
 /// Creates an invalid instance of the given reactive entity kind with the given URI.
 /// </summary>
 /// <param name="uri">The URI.</param>
 /// <param name="kind">The reactive entity kind.</param>
 /// <returns>
 /// The invalid instance, or null if an unexpected kind is provided.
 /// </returns>
 public static ReactiveEntity CreateInvalidInstance(Uri uri, ReactiveEntityKind kind)
 {
     return(kind switch
     {
         ReactiveEntityKind.Observable => ObservableDefinitionEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.Observer => ObserverDefinitionEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.Stream => SubjectEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.StreamFactory => StreamFactoryDefinitionEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.Subscription => SubscriptionEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.ReliableSubscription => ReliableSubscriptionEntity.CreateInvalidInstance(uri),
         ReactiveEntityKind.Template or ReactiveEntityKind.Other => OtherDefinitionEntity.CreateInvalidInstance(uri),
         _ => null,
     });
            private void AddEntityPlaceholder(ReactiveEntityKind kind, string key)
            {
                var uri = new Uri(key);

#pragma warning disable IDE0079 // Remove unnecessary suppression.
#pragma warning disable CA2000  // Dispose objects before losing scope. (Entities are owned by the registry.)

                var added = kind switch
                {
                    ReactiveEntityKind.Observable => Registry.Observables.TryAdd(key, ObservableDefinitionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.Observer => Registry.Observers.TryAdd(key, ObserverDefinitionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.Stream => Registry.Subjects.TryAdd(key, SubjectEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.StreamFactory => Registry.SubjectFactories.TryAdd(key, StreamFactoryDefinitionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.SubscriptionFactory => Registry.SubscriptionFactories.TryAdd(key, SubscriptionFactoryDefinitionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.Subscription => Registry.Subscriptions.TryAdd(key, SubscriptionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.ReliableSubscription => Registry.ReliableSubscriptions.TryAdd(key, ReliableSubscriptionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.Other => Registry.Other.TryAdd(key, OtherDefinitionEntity.CreateInvalidInstance(uri)),
                    ReactiveEntityKind.Template => Registry.Templates.TryAdd(key, OtherDefinitionEntity.CreateInvalidInstance(uri)),
                    _ => throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Cannot create an invalid entity '{0}' of type '{1}'.", key, kind)),
                };

#pragma warning restore CA2000
#pragma warning restore IDE0079

                if (added)
                {
                    Parent.TraceSource.Registry_AddEntityPlaceholder(Parent.Uri, kind.ToString(), key);
                }
            }