package com.ctrip.apollo.metaservice.service;

 import com.ctrip.apollo.core.ServiceNameConsts;

 import com.dianping.cat.Cat;

 import com.netflix.appinfo.InstanceInfo;

 import com.netflix.discovery.EurekaClient;

 import com.netflix.discovery.shared.Application;

 import org.springframework.beans.factory.annotation.Autowired;

 import org.springframework.stereotype.Service;

 import java.util.ArrayList;

 import java.util.List;

 @Service

 public class DiscoveryService {

   @Autowired

   private EurekaClient eurekaClient;

   public List<InstanceInfo> getConfigServiceInstances() {

     Application application = eurekaClient.getApplication(ServiceNameConsts.APOLLO_CONFIGSERVICE);

     if (application == null) {

       Cat.logEvent("Apollo.EurekaDiscovery.NotFound", ServiceNameConsts.APOLLO_CONFIGSERVICE);

     }

     return application != null ? application.getInstances() : new ArrayList<>();

   }

   public List<InstanceInfo> getMetaServiceInstances() {

     Application application = eurekaClient.getApplication(ServiceNameConsts.APOLLO_METASERVICE);

     if (application == null) {

       Cat.logEvent("Apollo.EurekaDiscovery.NotFound", ServiceNameConsts.APOLLO_METASERVICE);

     }

     return application != null ? application.getInstances() : new ArrayList<>();

   }

   public List<InstanceInfo> getAdminServiceInstances() {

     Application application = eurekaClient.getApplication(ServiceNameConsts.APOLLO_ADMINSERVICE);

     if (application == null) {

       Cat.logEvent("Apollo.EurekaDiscovery.NotFound", ServiceNameConsts.APOLLO_ADMINSERVICE);

     }

     return application != null ? application.getInstances() : new ArrayList<>();

   }

 }