Spring Cloud Eureka 服务上下线监控的实现

import com.netflix.appinfo.InstanceInfo;
import org.springframework.cloud.netflix.eureka.server.event.*;
import org.springframework.context.event.EventListener;
import org.springframework.stereotype.Component;
/**
 * Eureka事件监听
 *
 * @author yinjihuan
 * @create 2018-03-09 13:45
 **/
@Component
public class EurekaStateChangeListener {
  @EventListener
  public void listen(EurekaInstanceCanceledEvent event) {
    System.err.println(event.getServerId() + "\t" + event.getAppName() + " 服务下线");
  }
  @EventListener
  public void listen(EurekaInstanceRegisteredEvent event) {
    InstanceInfo instanceInfo = event.getInstanceInfo();
    System.err.println(instanceInfo.getAppName() + "进行注册");
  }
  @EventListener
  public void listen(EurekaInstanceRenewedEvent event) {
    System.err.println(event.getServerId() + "\t" + event.getAppName() + " 服务进行续约");
  }
  @EventListener
  public void listen(EurekaRegistryAvailableEvent event) {
    System.err.println("注册中心 启动");
  }
  @EventListener
  public void listen(EurekaServerStartedEvent event) {
    System.err.println("Eureka Server 启动");
  }
}