package com.loadCenter.aliyun.gateway.cache;


import com.loadCenter.aliyun.gateway.cache.abs.GatewayNodeCacheAbs;
import org.springframework.stereotype.Component;

import java.util.List;

/**
  * @ClassName GatewayNodeCacheAbs
  * @Description 网关节点缓存
  * @Author ZeJinG.Su
  * @Date  16:16 2024/4/18
 */
@Component
public class GatewayLoadNodeCache extends GatewayNodeCacheAbs {

    private final static String GATEWAY_LOAD_NODE_KEY="node";


    @Override
    public String getPre() {
        return "gateway:load:";
    }

    /**
     * 存放负载集合
     * @param nodeList  节点权重集合
     */
    public  void put(List<String> nodeList){
        redisService.deleteObject(encode(GATEWAY_LOAD_NODE_KEY));
        redisService.setCacheList(encode(GATEWAY_LOAD_NODE_KEY),nodeList);
    }

    /**
     * 获取所有负载节点
     * @return  负载节点集合
     */
    public List<String> get() {
        return redisService.getCacheList(encode(GATEWAY_LOAD_NODE_KEY));
    }


    public String getByIndex(Long index){
        if(index == null || index >100){
            throw new RuntimeException("下标违法，0-100");
        }
        return redisService.getCacheListValue(encode(GATEWAY_LOAD_NODE_KEY),index);
    }
}