RedisHelper帮助类

/// <summary>
/// Redis 帮助类文件
/// </summary>
public class RedisHelper : IDisposable {
    /// <summary>
    /// 针对Log4net的实例
    /// </summary>
    private static readonly ILog Logger = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

    /// <summary>
    /// The seconds time out.
    /// 默认缓存过期时间单位秒
    /// </summary>
    private int secondsTimeOut = 24 * 60 * 60;

    /// <summary>
    /// 给某个键对应的数据设置过期时间
    /// </summary>
    /// <param name="key">键</param>
    /// <param name="seconds">过期时间</param>
    public void Expire(string key, int seconds) {
        try {
            this.redis.Expire(key, seconds);
        } catch(Exception ex) {
            var message = string.Format("设置过期时间出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 释放资源
    /// </summary>
    public void Dispose() {
        if(this.redis != null) {
            this.redis.Dispose();
            this.redis = null;
        }

        GC.Collect();
    }

    private IEnumerable<string> SplitString(string strSource, string split) {
        return strSource.Split(split.ToArray());
    }

    /// <summary>
    /// 设置单个实体
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="key">缓存建</param>
    /// <param name="t">缓存值</param>
    /// <param name="timeout">过期时间，单位秒,-1：不过期，0：默认过期时间：一天</param>
    public bool Set<T>(string key, T t, int timeout = -1) {
        try {
            if(timeout >= 0) {
                if(timeout > 0) {
                    this.secondsTimeOut = timeout;
                }

                var dtTimeOut = DateTime.Now.AddSeconds(this.secondsTimeOut);
                return this.redis.Set(key, t, dtTimeOut);
            }

            return this.redis.Set(key, t);
        } catch(Exception ex) {
            string message = string.Format("设置Redis缓存出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    ///     获取单个实体
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键值</param>
    public T Get<T>(string key) {
        try {
            return this.redis.Get<T>(key);
        } catch(Exception ex) {
            string message = string.Format("获取Redis缓存出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    ///     删除
    /// </summary>
    /// <param name="key">键值</param>
    public bool Remove(string key) {
        try {
            return this.redis.Remove(key);
        } catch(Exception ex) {
            string message = string.Format("删除Redis缓存出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 删除所有
    /// </summary>
    public void RemoveAll() {
        var keyList = this.redis.GetAllKeys();
        this.redis.RemoveAll(keyList);
    }

    /// <summary>
    /// 获取Redis的所有key
    /// </summary>
    public List<string> ListKey() {
        return this.redis.GetAllKeys();
    }

    /// <summary>
    ///     添加一个对象
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键</param>
    /// <param name="t"></param>
    /// <param name="timeout">过期时间(单位为秒) -1：不过期，0：默认过期时间 一天</param>
    public bool Add<T>(string key, T t, int timeout = -1) {
        try {
            if(timeout >= 0) {
                if(timeout > 0) {
                    this.secondsTimeOut = timeout;
                }

                this.redis.Expire(key, this.secondsTimeOut);
            }

            return this.redis.Add(key, t);
        } catch(Exception ex) {
            string message = string.Format("添加Redis缓存出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 根据IEnumerable数据添加链表
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键</param>
    /// <param name="values">值</param>
    /// <param name="timeout">过期时间 -1：不过期，0：默认过期时间:一天</param>
    public void AddList<T>(string key, IEnumerable<T> values, int timeout = -1) {
        try {
            IRedisTypedClient<T> iredisClient = this.redis.As<T>();
            IRedisList<T> redisList = iredisClient.Lists[key];
            redisList.AddRange(values);
            if(timeout > 0) {
                if(timeout > 0) {
                    this.secondsTimeOut = timeout;
                }

                this.redis.Expire(key, this.secondsTimeOut);
            }

            iredisClient.Save();
        } catch(Exception ex) {
            string message = string.Format("添加链表出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 添加单个实体到链表中
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键</param>
    /// <param name="Item"></param>
    /// <param name="timeout">过期时间 -1：不过期，0：默认过期时间：一天</param>
    public void AddEntityToList<T>(string key, T Item, int timeout = -1) {
        try {
            IRedisTypedClient<T> iredisClient = redis.As<T>();
            IRedisList<T> redisList = iredisClient.Lists[key];
            redisList.Add(Item);
            iredisClient.Save();
            if(timeout >= 0) {
                if(timeout > 0) {
                    this.secondsTimeOut = timeout;
                }

                this.redis.Expire(key, this.secondsTimeOut);
            }
        } catch(Exception ex) {
            string message = string.Format("添加单个的实体到链表中出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 获取链表
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键</param>
    public IEnumerable<T> GetList<T>(string key) {
        try {
            IRedisTypedClient<T> iredisClient = redis.As<T>();
            return iredisClient.Lists[key];
        } catch(Exception ex) {
            string message = string.Format("获取链表出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 在链表中删除单个实体
    /// </summary>
    /// <typeparam name="T">对象类型</typeparam>
    /// <param name="key">键</param>
    public void RemoveEntityFromList<T>(string key, T t) {
        try {
            IRedisTypedClient<T> iredisClient = this.redis.As<T>();
            IRedisList<T> redisList = iredisClient.Lists[key];
            redisList.RemoveValue(t);
            iredisClient.Save();
        } catch(Exception ex) {
            string message = string.Format("删除链表中的单个实体出错");
            Logger.Error(message, ex);
        }
    }

    /// <summary>
    /// 根据key移除整个链表
    /// </summary>
    /// <param name="key">键</param>
    public void RemoveAllList<T>(string key) {
        try {
            IRedisTypedClient<T> iredisClient = this.redis.As<T>();
            IRedisList<T> redisList = iredisClient.Lists[key];
            redisList.RemoveAll();
            iredisClient.Save();
        } catch(Exception ex) {
            string message = string.Format("删除链表集合");
            Logger.Error(message, ex);
        }
    }
}

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