/// <summary>
/// 将一个值从key的表尾取出
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="client"></param>
/// <param name="key"></param>
/// <returns></returns>
public static T ListRightPop <T>(this IDatabase client, string key)
{
try
{
return(ProtobufHelper.DeSerialize <T>((String)client.ListRightPop(key)));
}
catch
{
return(default(T));
}
}
/// <summary>
/// 获取单个key value
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static T Get <T>(this IDatabase client, string key)
{
try
{
var result = client.StringGetAsync(key).Result;
if (!result.IsNullOrEmpty)
{
return(ProtobufHelper.DeSerialize <T>(result));
}
return(default(T));
}
catch
{
return(default(T));
}
}
public static async Task <T> GetAsync <T>(this IDatabase client, string key)
{
var response = default(T);
try
{
var result = await client.StringGetAsync(key);
if (!result.IsNullOrEmpty)
{
response = ProtobufHelper.DeSerialize <T>(result);
}
return(response);
}
catch
{
return(response);
}
}
/// <summary>
/// 返回列表key中指定区间内的元素，区间以偏移量start和stop指定。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="client"></param>
/// <param name="key"></param>
/// <param name="start"></param>
/// <param name="stop"></param>
/// <returns></returns>
public static IEnumerable <T> ListRange <T>(this IDatabase client, string key, Int64 start = 0, Int64 stop = -1)
{
try
{
var list = new List <T>();
var values = client.ListRangeAsync(key, start, stop).Result;
if (values == null)
{
return(null);
}
foreach (var item in values)
{
list.Add(ProtobufHelper.DeSerialize <T>(item));
}
return(list);
}
catch
{
return(null);
}
}
/// <summary>
/// 返回集合的所有数据
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static IEnumerable <T> SetMembers <T>(this IDatabase client, string key)
{
try
{
var values = client.SetMembersAsync(key).Result;
if (values == null)
{
return(null);
}
var list = new List <T>();
foreach (var item in values)
{
list.Add(ProtobufHelper.DeSerialize <T>((string)item));
}
return(list);
}
catch
{
return(null);
}
}