Java - Redis Utils

RedisUtil

package redis.utils;

import java.util.List;

import redis.clients.jedis.Jedis;

public class RedisUtil {
  private Jedis client = null;
  
  public RedisUtil(String REDIS_URL) {
    client = new Jedis(REDIS_URL);
  }
  // 右存
  public void push(String listName, List<Object> inputValue) {
    // 存入的是基本变量, String
    inputValue.forEach(e -> client.rpush(listName, String.valueOf(e)));
  }
  // 左取
  public List<String> pop(String listName, Integer count) {
    List<String> list = null;
    list = client.lrange(listName, 0, count - 1);
    client.ltrim(listName, count, -1);
    return list;
  }
  // Size
  public Long queueSize(String listName) {
    return client.llen(listName);
  }
  // 清空
  public void flush() {
    client.flushAll();
  }
}

Demo

package redis.main;

import java.util.Arrays;
import java.util.List;

import redis.utils.RedisUtil;

public class Demo {
  public static void main(String[] args) {
    RedisUtil redisUtil = new RedisUtil("localhost");
    List<Object> dbList = Arrays.asList("Redis", "Mongodb", "Mysql");
    redisUtil.push("dbList", dbList);
    List<String> resList = redisUtil.pop("dbList", 2);
    resList.forEach(System.out::println);
    System.out.println("size: " + redisUtil.queueSize("dbList"));
    redisUtil.flush();
  }
}