Calling a bean that uses JPA Repository

AlfmonitorApplication.java

import java.io.IOException;
import java.sql.SQLException;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;

@SpringBootApplication
public class AlfmonitorApplication {
	
	public static void main(String[] args) throws ClassNotFoundException, SQLException, IOException, InterruptedException {
		
		ConfigurableApplicationContext app = SpringApplication.run(AlfmonitorApplication.class, args);	
		
		Controller agentController = (Controller) app.getBean("controller");
		agentController.run();
	}
}

Controller.java

import java.util.List;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class Controller implements Runnable, InitializingBean {
	
	private static Logger logger = Logger.getLogger(Controller.class);
	
	@Autowired
	private AgentRepository agentRepository;
	
	public void run() {
		
		logger.info("Starting subsystem AgentController");
		
		List<Agent> activeAgents = agentRepository.findByActive(true);
		for (Agent agent : activeAgents) {
			logger.info(agent.getName());
		}
		logger.info("Agent controller finished.");
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		
	}
}