/*
 * Copyright 2024 Apollo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.ctrip.framework.apollo.biz.registry;

import com.ctrip.framework.apollo.biz.registry.configuration.support.ApolloServiceRegistryProperties;
import java.util.List;

/**
 * @see org.springframework.cloud.client.discovery.DiscoveryClient
 */
public interface DatabaseDiscoveryClient {

  /**
   * find by {@link ApolloServiceRegistryProperties#getServiceName()},
   * then filter by {@link ApolloServiceRegistryProperties#getCluster()}
   *
   * @return empty list if there is no instance
   */
  List<ServiceInstance> getInstances(String serviceName);
}
