Add GetHandlerType(IEventHandlerFactory) to determine handler Type from known factory implementations (SingleInstance, Ioc, Transient) instead of instantiating handlers. Update LocalEventBus to use this helper when reading LocalEventHandlerOrderAttribute to avoid unnecessary handler creation/disposal. Also switch DistEventScenarioRunner to use AnonymousEventDataConverter.ConvertToLooseObject(...) for anonymous event payload conversion.
Centralize and simplify anonymous event handling across transports. Introduces AnonymousEventDataConverter and changes AnonymousEventData to store optional JsonData with a FromJson factory. Adds helpers (CreateAnonymousEnvelope, TryPublishTypedByEventNameAsync, TryResolveStoredEventData, TryResolveIncomingEvent) and unifies handling logic in Dapr/Azure/Kafka/RabbitMQ/Rebus implementations. Also deduplicates subscription registration using locking, cleans up empty anonymous handler maps, and removes duplicated JSON conversion code. Tests updated to match the new anonymous event semantics.
Introduce a new DistEvents test/demo suite and supporting infra.
- Add AspNetCoreDapr and AzureEmulator sample apps (modules, programs, controllers, event handlers, appsettings).
- Add persistence projects for EntityFrameworkCore and MongoDB, including EF Core migrations and updated model snapshot.
- Update EfCoreRabbitMq project to support selectable DB provider (DistDemoDbProvider) and refactor RabbitMQ/Dapr event-bus configuration.
- Add shared demo utilities (scenario runner/profile/hosted service), Dapr pubsub component, docker-compose and Service Bus emulator config.
- Add comprehensive Visual Studio/.NET .gitignore and tweak .claude local permissions to allow "Bash(git show:*)".
Add support for anonymous events in the ASP.NET Core Dapr event bus module: when a topic is identified as anonymous, deserialize payloads as object and forward them as AnonymousEventData to handlers. In DaprDistributedEventBus, use GetEventName(eventType, eventData) when adding to the inbox (so dynamic/topic-based names are respected) and expose IsAnonymousEvent(eventName) to detect anonymous topics.
RebusDistributedEventBus: properly handle AnonymousEventData by extracting its EventName when processing, wrap deserialized anonymous payloads into AnonymousEventData, and subscribe to AnonymousEventData when the first anonymous handler is registered (note: a TODO about multi-threading remains).
DistDemoApp.MongoDbRebus Program: replace the previous Host/Serilog-driven async Main with an ABP application bootstrap using AbpApplicationFactory. The new Main initializes the ABP app, runs DemoService.CreateTodoItemAsync via AsyncHelper.RunSync, and then shuts down; prior Serilog/host startup code has been commented out and ABP logging/Serilog services are wired up.
Introduce AnonymousEventData and add name-based (string) event publish/subscribe APIs across the event bus.
Key changes:
- New AnonymousEventData class with conversion helpers (ConvertToTypedObject/ConvertToTypedObject<T>/ConvertToTypedObject(Type)) and caching for JsonElement payloads.
- Extended IEventBus and IDistributedEventBus interfaces with PublishAsync(string, ...), Subscribe/Unsubscribe/UnsubscribeAll overloads that accept string event names and factories/handlers.
- DistributedEventBusBase implements name-based PublishAsync and Subscribe overloads and adapts anonymous event publishing to typed flows.
- Updated concrete distributed bus implementations (Azure, Dapr, Kafka, RabbitMQ, Rebus, Local) to support anonymous handlers, inbox/outbox processing for anonymous events, serialization helpers, and handler-factory management. Changes include deduplication when registering factories, removal helpers for single-instance handlers, and preserving EventTypes mapping (AnonymousEventData is not added to EventTypes).
- Fixed/centralized logic for mapping event names <-> event types, handler lookup (including anonymous handlers), and outbox/inbox processing so both typed and anonymous (name-based) events are handled consistently.
Compatibility: existing typed event handling is preserved; new string-based APIs allow publishing and subscribing to events identified only by name.
Add and centralize Subscribe/Unsubscribe(string, IEventHandlerFactory) implementations for Azure and Kafka to avoid duplicate anonymous handler registrations (checks IsInFactories / returns NullDisposable or skips adding).
Switch Kafka anonymous payload handling from JsonElement to the generic Serializer.Deserialize<object> to preserve original types.
Refactor RabbitMQ handler resolution to include anonymous handler factories by matching event names and return handler list early when concrete event type is found.
Update DistributedEventBusBase to use ResolveEventForPublishing to obtain event name and data together, and ensure GetEventData is applied at the correct point when processing incoming events.
Replace direct System.Text.Json usage with the ABP Serializer for anonymous event payloads (deserialize to object) and remove the unused System.Text.Json using. Rework Subscribe(string, IEventHandlerFactory) to avoid duplicate handler registration, return a NullDisposable when already registered, add the consumer binding when the first anonymous handler is added (note: TODO for multi-threading), and keep the new unregistrar. Prevent AnonymousEventData from being added to EventTypes when adding to the outbox. Remove the old Subscribe implementation accordingly.
Update event bus tests to avoid cross-test interference and ensure proper cleanup. In LocalDistributedEventBus_Test and LocalEventBus_Anonymous_Test: reset static handler state in test constructor, subscribe with IDisposable (using var subscription) so handlers are disposed after each test, replace hard-coded event names with generated unique event names, add missing System import, and adjust assertions (remove expectation of AbpException on publish after dispose). Also ensure local event bus subscriptions are stored/disposed. These changes make tests isolated and robust.
Introduce AnonymousEventData and add support for anonymous (name-based) events across the event bus implementations. Adds string-based Subscribe/Unsubscribe APIs, anonymous handler factories, and handling in distributed providers (Azure, Dapr, Kafka, RabbitMQ, Rebus) and local buses. Update EventBusBase and DistributedEventBusBase to resolve event names/data (GetEventName/GetEventData/ResolveEventForPublishing) and route/serialize/deserialize anonymous payloads. Also add AnonymousEventHandlerFactoryUnregistrar and minimal NullDistributedEventBus implementations, plus tests for anonymous local events.
Introduce a new IEventBus.PublishAsync(string eventName, ...) overload and make EventBusBase declare it. Implementations for Azure, Dapr, Kafka, RabbitMQ, Rebus, LocalDistributedEventBus and LocalEventBus resolve the event Type from an EventTypes map and delegate to the existing type-based PublishAsync. LocalEventBus now maintains an EventTypes dictionary (populated on Subscribe) to map event names to types. Unknown event names now throw an AbpException.
Register AddHttpClientProxies for ModularCrmContractsModule and CatalogContractsModule alongside OrderingContractsModule in the client module example, and add a clarifying comment. Remove a Blazor WebApp placeholder screenshot reference in part-05. Update the download link in part-08 to point to the ModularCRM-BlazorWebApp sample repository. These changes align the docs with the Blazor WebApp sample and ensure required HTTP client proxies are shown.
Add a new screenshot asset and update the modular-crm tutorial (part-03.md). Changes include:
- Add images/vscode-catalog-index-razor-blazor-webapp.png.
- Wrap the "Exposing Application Services as HTTP API Controllers" section in an MVC conditional block ({{if UI == "MVC"}} ... {{end}}).
- Update HttpClient proxy registrations to include ModularCrmContractsModule and keep CatalogContractsModule, with an inline comment noting the addition.
- Replace the Blazor WebApp placeholder line with an actual markdown image reference to the newly added screenshot.
These edits provide the actual Blazor screenshot in the docs and clarify HTTP client proxy registration for the tutorial.
Refactor the installation step in docs/en/tutorials/modular-crm/part-02.md for clarity. The previous long sentence was split and the conditional instructions for MVC and BlazorWebApp were made explicit: MVC should ensure `ModularCrm` is checked; for Blazor, `ModularCrm` must be checked for `ModularCrm.Catalog` and both `ModularCrm` and `ModularCrm.Client` for `ModularCrm.Catalog.Blazor`. Also cleaned up surrounding phrasing to avoid ambiguity.
Replace two tutorial images with updated ABP Studio screenshots for the Modular CRM Blazor web app (install module dialog and module installation dialog for Catalog) to keep documentation visuals current with UI changes.
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