• Redis封装之List


      /// <summary>
        ///  Redis list的实现为一个双向链表,即可以支持反向查找和遍历,更方便操作,不过带来了部分额外的内存开销,
        ///  Redis内部的很多实现,包括发送缓冲队列等也都是用的这个数据结构。  
        /// </summary>
        public class RedisListService : RedisBase
        {
            #region 赋值
            /// <summary>
            /// 从左侧向list中添加值
            /// </summary>
            public void LPush(string key, string value)
            {
                RedisBase.iClient.PushItemToList(key, value);
            }
            /// <summary>
            /// 从左侧向list中添加值,并设置过期时间
            /// </summary>
            public void LPush(string key, string value, DateTime dt)
            {
                RedisBase.iClient.PushItemToList(key, value);
                RedisBase.iClient.ExpireEntryAt(key, dt);
            }
            /// <summary>
            /// 从左侧向list中添加值,设置过期时间
            /// </summary>
            public void LPush(string key, string value, TimeSpan sp)
            {
                RedisBase.iClient.PushItemToList(key, value);
                RedisBase.iClient.ExpireEntryIn(key, sp);
            }
            /// <summary>
            /// 从左侧向list中添加值
            /// </summary>
            public void RPush(string key, string value)
            {
                RedisBase.iClient.PrependItemToList(key, value);
            }
            /// <summary>
            /// 从右侧向list中添加值,并设置过期时间
            /// </summary>    
            public void RPush(string key, string value, DateTime dt)
            {
                RedisBase.iClient.PrependItemToList(key, value);
                RedisBase.iClient.ExpireEntryAt(key, dt);
            }
            /// <summary>
            /// 从右侧向list中添加值,并设置过期时间
            /// </summary>        
            public void RPush(string key, string value, TimeSpan sp)
            {
                RedisBase.iClient.PrependItemToList(key, value);
                RedisBase.iClient.ExpireEntryIn(key, sp);
            }
            /// <summary>
            /// 添加key/value
            /// </summary>     
            public void Add(string key, string value)
            {
                RedisBase.iClient.AddItemToList(key, value);
            }
            /// <summary>
            /// 添加key/value ,并设置过期时间
            /// </summary>  
            public void Add(string key, string value, DateTime dt)
            {
                RedisBase.iClient.AddItemToList(key, value);
                RedisBase.iClient.ExpireEntryAt(key, dt);
            }
            /// <summary>
            /// 添加key/value。并添加过期时间
            /// </summary>  
            public void Add(string key, string value, TimeSpan sp)
            {
                RedisBase.iClient.AddItemToList(key, value);
                RedisBase.iClient.ExpireEntryIn(key, sp);
            }
            /// <summary>
            /// 为key添加多个值
            /// </summary>  
            public void Add(string key, List<string> values)
            {
                RedisBase.iClient.AddRangeToList(key, values);
            }
            /// <summary>
            /// 为key添加多个值,并设置过期时间
            /// </summary>  
            public void Add(string key, List<string> values, DateTime dt)
            {
                RedisBase.iClient.AddRangeToList(key, values);
                RedisBase.iClient.ExpireEntryAt(key, dt);
            }
            /// <summary>
            /// 为key添加多个值,并设置过期时间
            /// </summary>  
            public void Add(string key, List<string> values, TimeSpan sp)
            {
                RedisBase.iClient.AddRangeToList(key, values);
                RedisBase.iClient.ExpireEntryIn(key, sp);
            }
            #endregion
    
            #region 获取值
            /// <summary>
            /// 获取list中key包含的数据数量
            /// </summary>  
            public long Count(string key)
            {
                return RedisBase.iClient.GetListCount(key);
            }
            /// <summary>
            /// 获取key包含的所有数据集合
            /// </summary>  
            public List<string> Get(string key)
            {
                return RedisBase.iClient.GetAllItemsFromList(key);
            }
            /// <summary>
            /// 获取key中下标为star到end的值集合
            /// </summary>  
            public List<string> Get(string key, int star, int end)
            {
                return RedisBase.iClient.GetRangeFromList(key, star, end);
            }
            #endregion
    
            #region 阻塞命令
            /// <summary>
            ///  阻塞命令:从list中keys的尾部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public string BlockingPopItemFromList(string key, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingDequeueItemFromList(key, sp);
            }
            /// <summary>
            ///  阻塞命令:从list中keys的尾部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public ItemRef BlockingPopItemFromLists(string[] keys, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingPopItemFromLists(keys, sp);
            }
            /// <summary>
            ///  阻塞命令:从list中keys的尾部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public string BlockingDequeueItemFromList(string key, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingDequeueItemFromList(key, sp);
            }
            /// <summary>
            /// 阻塞命令:从list中keys的尾部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public ItemRef BlockingDequeueItemFromLists(string[] keys, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingDequeueItemFromLists(keys, sp);
            }
            /// <summary>
            /// 阻塞命令:从list中key的头部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public string BlockingRemoveStartFromList(string keys, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingRemoveStartFromList(keys, sp);
            }
            /// <summary>
            /// 阻塞命令:从list中key的头部移除一个值,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public ItemRef BlockingRemoveStartFromLists(string[] keys, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingRemoveStartFromLists(keys, sp);
            }
            /// <summary>
            /// 阻塞命令:从list中一个fromkey的尾部移除一个值,添加到另外一个tokey的头部,并返回移除的值,阻塞时间为sp
            /// </summary>  
            public string BlockingPopAndPushItemBetweenLists(string fromkey, string tokey, TimeSpan? sp)
            {
                return RedisBase.iClient.BlockingPopAndPushItemBetweenLists(fromkey, tokey, sp);
            }
            #endregion
    
            #region 删除
            /// <summary>
            /// 从尾部移除数据,返回移除的数据
            /// </summary>  
            public string PopItemFromList(string key)
            {
                return RedisBase.iClient.PopItemFromList(key);
            }
            /// <summary>
            /// 移除list中,key/value,与参数相同的值,并返回移除的数量
            /// </summary>  
            public long RemoveItemFromList(string key, string value)
            {
                return RedisBase.iClient.RemoveItemFromList(key, value);
            }
            /// <summary>
            /// 从list的尾部移除一个数据,返回移除的数据
            /// </summary>  
            public string RemoveEndFromList(string key)
            {
                return RedisBase.iClient.RemoveEndFromList(key);
            }
            /// <summary>
            /// 从list的头部移除一个数据,返回移除的值
            /// </summary>  
            public string RemoveStartFromList(string key)
            {
                return RedisBase.iClient.RemoveStartFromList(key);
            }
            #endregion
    
            #region 其它
            /// <summary>
            /// 从一个list的尾部移除一个数据,添加到另外一个list的头部,并返回移动的值
            /// </summary>  
            public string PopAndPushItemBetweenLists(string fromKey, string toKey)
            {
                return RedisBase.iClient.PopAndPushItemBetweenLists(fromKey, toKey);
            }
            #endregion
        }
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  • 原文地址:https://www.cnblogs.com/marshhu/p/6806361.html
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