content: /*
   * Copyright 2023-2024 the original author or 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
   *
   *      https://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.alibaba.cloud.nacos.loadbalancer;
  
  import java.util.List;
  
  import com.alibaba.cloud.nacos.balancer.NacosBalancer;
  
  import org.springframework.cloud.client.ServiceInstance;
  import org.springframework.cloud.client.loadbalancer.Request;
  import org.springframework.core.Ordered;
  
  /**
   * This is a default implementation of load balancing algorithm.
   * use {@link com.alibaba.cloud.nacos.balancer.NacosBalancer}
   *
   * @author <a href="mailto:zhangbin1010@qq.com">zhangbinhub</a>
   */
  public class DefaultLoadBalancerAlgorithm implements LoadBalancerAlgorithm {
  	@Override
  	public String getServiceId() {
  		return LoadBalancerAlgorithm.DEFAULT_SERVICE_ID;
  	}
  
  	@Override
  	public ServiceInstance getInstance(Request<?> request, List<ServiceInstance> serviceInstances) {
  		return NacosBalancer.getHostByRandomWeight3(serviceInstances);
  	}
  
  	@Override
  	public int getOrder() {
  		return Ordered.LOWEST_PRECEDENCE;
  	}
  }
  