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using EntrustSettle.Common;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json;
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using StackExchange.Redis;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Threading.Tasks;
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namespace EntrustSettle.Extensions
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{
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[Description("普通缓存考虑直接使用ICaching,如果要使用Redis队列等还是使用此类")]
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public class RedisBasketRepository : IRedisBasketRepository
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{
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private readonly ILogger<RedisBasketRepository> _logger;
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private readonly ConnectionMultiplexer _redis;
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private readonly IDatabase _database;
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public RedisBasketRepository(ILogger<RedisBasketRepository> logger, ConnectionMultiplexer redis)
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{
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_logger = logger;
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_redis = redis;
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_database = redis.GetDatabase();
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}
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private IServer GetServer()
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{
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var endpoint = _redis.GetEndPoints();
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return _redis.GetServer(endpoint.First());
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}
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public async Task Clear()
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{
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foreach (var endPoint in _redis.GetEndPoints())
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{
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var server = GetServer();
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foreach (var key in server.Keys())
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{
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await _database.KeyDeleteAsync(key);
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}
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}
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}
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public async Task<bool> Exist(string key)
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{
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return await _database.KeyExistsAsync(key);
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}
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public async Task<string> GetValue(string key)
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{
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return await _database.StringGetAsync(key);
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}
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public async Task Remove(string key)
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{
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await _database.KeyDeleteAsync(key);
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}
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public async Task Set(string key, object value, TimeSpan cacheTime)
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{
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if (value != null)
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{
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if (value is string cacheValue)
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{
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// 字符串无需序列化
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await _database.StringSetAsync(key, cacheValue, cacheTime);
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}
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else
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{
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//序列化，将object值生成RedisValue
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await _database.StringSetAsync(key, SerializeHelper.Serialize(value), cacheTime);
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}
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}
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}
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public async Task<TEntity> Get<TEntity>(string key)
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{
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var value = await _database.StringGetAsync(key);
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if (value.HasValue)
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{
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//需要用的反序列化，将Redis存储的Byte[]，进行反序列化
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return SerializeHelper.Deserialize<TEntity>(value);
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}
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else
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{
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return default(TEntity);
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}
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}
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/// <summary>
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/// 根据key获取RedisValue
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="redisKey"></param>
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/// <returns></returns>
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public async Task<RedisValue[]> ListRangeAsync(string redisKey)
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{
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return await _database.ListRangeAsync(redisKey);
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}
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/// <summary>
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/// 在列表头部插入值。如果键不存在，先创建再插入值
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="redisValue"></param>
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/// <returns></returns>
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public async Task<long> ListLeftPushAsync(string redisKey, string redisValue, int db = -1)
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{
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return await _database.ListLeftPushAsync(redisKey, redisValue);
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}
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/// <summary>
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/// 在列表尾部插入值。如果键不存在，先创建再插入值
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="redisValue"></param>
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/// <returns></returns>
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public async Task<long> ListRightPushAsync(string redisKey, string redisValue, int db = -1)
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{
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return await _database.ListRightPushAsync(redisKey, redisValue);
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}
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/// <summary>
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/// 在列表尾部插入数组集合。如果键不存在，先创建再插入值
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="redisValue"></param>
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/// <returns></returns>
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public async Task<long> ListRightPushAsync(string redisKey, IEnumerable<string> redisValue, int db = -1)
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{
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var redislist = new List<RedisValue>();
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foreach (var item in redisValue)
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{
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redislist.Add(item);
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}
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return await _database.ListRightPushAsync(redisKey, redislist.ToArray());
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}
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/// <summary>
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/// 移除并返回存储在该键列表的第一个元素 反序列化
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/// </summary>
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/// <param name="redisKey"></param>
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/// <returns></returns>
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public async Task<T> ListLeftPopAsync<T>(string redisKey, int db = -1) where T : class
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{
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return JsonConvert.DeserializeObject<T>(await _database.ListLeftPopAsync(redisKey));
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}
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/// <summary>
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/// 移除并返回存储在该键列表的最后一个元素 反序列化
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/// 只能是对象集合
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/// </summary>
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/// <param name="redisKey"></param>
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/// <returns></returns>
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public async Task<T> ListRightPopAsync<T>(string redisKey, int db = -1) where T : class
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{
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return JsonConvert.DeserializeObject<T>(await _database.ListRightPopAsync(redisKey));
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}
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/// <summary>
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/// 移除并返回存储在该键列表的第一个元素
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="db"></param>
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/// <returns></returns>
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public async Task<string> ListLeftPopAsync(string redisKey, int db = -1)
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{
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return await _database.ListLeftPopAsync(redisKey);
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}
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/// <summary>
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/// 移除并返回存储在该键列表的最后一个元素
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="redisKey"></param>
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/// <param name="db"></param>
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/// <returns></returns>
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public async Task<string> ListRightPopAsync(string redisKey, int db = -1)
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{
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return await _database.ListRightPopAsync(redisKey);
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}
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/// <summary>
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/// 列表长度
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="db"></param>
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/// <returns></returns>
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public async Task<long> ListLengthAsync(string redisKey, int db = -1)
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{
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return await _database.ListLengthAsync(redisKey);
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}
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/// <summary>
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/// 返回在该列表上键所对应的元素
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/// </summary>
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/// <param name="redisKey"></param>
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/// <returns></returns>
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public async Task<IEnumerable<string>> ListRangeAsync(string redisKey, int db = -1)
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{
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var result = await _database.ListRangeAsync(redisKey);
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return result.Select(o => o.ToString());
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}
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/// <summary>
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/// 根据索引获取指定位置数据
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="start"></param>
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/// <param name="stop"></param>
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/// <param name="db"></param>
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/// <returns></returns>
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public async Task<IEnumerable<string>> ListRangeAsync(string redisKey, int start, int stop, int db = -1)
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{
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var result = await _database.ListRangeAsync(redisKey, start, stop);
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return result.Select(o => o.ToString());
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}
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/// <summary>
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/// 删除List中的元素 并返回删除的个数
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/// </summary>
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/// <param name="redisKey">key</param>
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/// <param name="redisValue">元素</param>
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/// <param name="type">大于零 : 从表头开始向表尾搜索，小于零 : 从表尾开始向表头搜索，等于零：移除表中所有与 VALUE 相等的值</param>
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/// <param name="db"></param>
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/// <returns></returns>
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public async Task<long> ListDelRangeAsync(string redisKey, string redisValue, long type = 0, int db = -1)
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{
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return await _database.ListRemoveAsync(redisKey, redisValue, type);
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}
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/// <summary>
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/// 清空List
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/// </summary>
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/// <param name="redisKey"></param>
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/// <param name="db"></param>
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public async Task ListClearAsync(string redisKey, int db = -1)
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{
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await _database.ListTrimAsync(redisKey, 1, 0);
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}
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}
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}
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