package org.test import java.util.concurrent.CountDownLatch; @EnableReactor @Log class Runner implements CommandLineRunner { @Autowired Reactor reactor private CountDownLatch latch = new CountDownLatch(1) @PostConstruct void init() { log.info "Registering consumer" } void run(String... args) { reactor.notify("hello", Event.wrap("Phil")) log.info "Notified Phil" latch.await() } @Selector(reactor="reactor", value="hello") void receive(String data) { log.info "Hello ${data}" latch.countDown() } }