How to use

registerSubscribingEventProcessor

method

in

org.axonframework.config.EventProcessingConfiguration

/**
 * Register a subscribing event processor with given {@code name} that subscribes to the Event Bus.
 *
 * @param name The name of the Event Processor
 * @return event processing configuration for chaining purposes
 */
public EventProcessingConfiguration registerSubscribingEventProcessor(String name) {
  return registerSubscribingEventProcessor(name, Configuration::eventBus);
}

@Autowired
public void config(EventProcessingConfiguration epConfig,
          @Qualifier("trade-events") SubscribableMessageSource<EventMessage<?>> tradeEvents) {
  epConfig.registerSubscribingEventProcessor("trading", c -> tradeEvents);
}

/**
 * Register a subscribing processor with given {@code name} that subscribes to the given {@code messageSource}.
 * This allows the use of standard Subscribing Processors that listen to another source than the Event Bus.
 *
 * @param name          The name of the Event Processor
 * @param messageSource The source the processor should read from
 * @return this EventHandlingConfiguration instance for further configuration
 * @deprecated use {@link EventProcessingConfiguration#registerSubscribingEventProcessor(String, Function)} instead
 */
@SuppressWarnings("UnusedReturnValue")
@Deprecated
public EventHandlingConfiguration registerSubscribingEventProcessor(
    String name,
    Function<Configuration, SubscribableMessageSource<? extends EventMessage<?>>> messageSource) {
  onInit.add(conf -> conf.eventProcessingConfiguration()
              .registerSubscribingEventProcessor(name, messageSource));
  return this;
}