How to use

getMessageMonitor

method

in

org.axonframework.config.EventProcessingConfiguration

private SubscribingEventProcessor subscribingEventProcessor(String name, Configuration conf,
                              EventHandlerInvoker eventHandlerInvoker,
                              Function<Configuration, SubscribableMessageSource<? extends EventMessage<?>>> messageSource) {
  return new SubscribingEventProcessor(name,
                     eventHandlerInvoker,
                     getRollbackConfiguration(conf, name),
                     messageSource.apply(conf),
                     DirectEventProcessingStrategy.INSTANCE,
                     getErrorHandler(conf, name),
                     getMessageMonitor(conf, SubscribingEventProcessor.class, name));
}

private TrackingEventProcessor trackingEventProcessor(Configuration conf, String name,
                           EventHandlerInvoker eventHandlerInvoker,
                           Function<Configuration, TrackingEventProcessorConfiguration> config,
                           Function<Configuration, StreamableMessageSource<TrackedEventMessage<?>>> source) {
  return new TrackingEventProcessor(name,
                   eventHandlerInvoker,
                   source.apply(conf),
                   tokenStore.getOrDefault(
                       name,
                       c -> c.getComponent(TokenStore.class, InMemoryTokenStore::new)
                   ).apply(conf),
                   getTransactionManager(conf, name),
                   getMessageMonitor(conf, EventProcessor.class, name),
                   getRollbackConfiguration(conf, name),
                   getErrorHandler(conf, name),
                   config.apply(conf));
}