spring-boot/spring-boot-cli/samples/reactor.groovy

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()
	} 
}