/// <summary>
/// KV
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dbIndex">库</param>
/// <param name="key">键</param>
/// <param name="func">如找不到则从func获取</param>
/// <param name="timeout">超时时间</param>
/// <returns></returns>
public static T GetObject_KV <T>(int dbIndex, string key, Func <T> func, TimeSpan?timeout) where T : class
{
T data = RedisUtils.StringGet <T>(dbIndex, key);
if (data != null)
{
return(data);
}
if (func != null)
{
data = func();
}
if (data != null)
{
RedisUtils.StringSet <T>(dbIndex, key, data, timeout);
}
return(data);
}
/// <summary>
/// Hash
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dbIndex">库</param>
/// <param name="hashID">hashID</param>
/// <param name="key">键</param>
/// <param name="func">如找不到则从func获取</param>
/// <returns></returns>
public static T GetObject_Hash <T>(int dbIndex, string hashID, string key, Func <T> func) where T : class
{
T data = RedisUtils.HashGet <T>(dbIndex, hashID, key);
if (data != null)
{
return(data);
}
if (func != null)
{
data = func();
}
if (data != null)
{
RedisUtils.HashSet <T>(dbIndex, hashID, key, data);
}
return(data);
}
/// <summary>
/// ZSet
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dbIndex">库</param>
/// <param name="key">键</param>
/// <param name="func">如找不到则从func获取</param>
/// <returns></returns>
public static List <T> GetObject_ZSet <T>(int dbIndex, string key, Func <List <T> > func) where T : class
{
List <T> data = RedisUtils.SortedSetRangeByRank <T>(dbIndex, key);
if (data != null && data.Count > 0)
{
return(data);
}
if (func != null)
{
data = func();
}
if (data != null)
{
RedisUtils.SortedSetAdd <T>(dbIndex, key, data);
}
return(data);
}
/// <summary>
/// 异步获取数据集合
/// </summary>
/// <typeparam name="T">数据集类型</typeparam>
/// <param name="dbIndex">数据库</param>
/// <param name="key">键</param>
/// <param name="fun">从其他地方获取数据源，并缓存到Redis中</param>
/// <param name="timeout">过期时间，单位：分钟</param>
/// <returns></returns>
public static async Task <List <T> > GetListAsync <T>(int dbIndex, string key, Func <List <T> > fun, int timeout = EXPIRY) where T : class
{
dbIndex = CheckDbIndex(dbIndex);
List <T> datas = RedisUtils.StringGet <List <T> >(dbIndex, key);
if (datas != null && datas.Count > 0)
{
return(datas);
}
datas = await Task.Run(() =>
{
return(fun());
});
if (datas != null && datas.Count > 0)
{
RedisUtils.StringSet <List <T> >(dbIndex, key, datas, TimeSpan.FromMinutes(timeout));
}
return(datas);
}
/// <summary>
/// 异步获取缓存数据
/// </summary>
/// <typeparam name="T">数据集类型</typeparam>
/// <param name="dbIndex">数据库</param>
/// <param name="key">键</param>
/// <param name="fun">从其他地方获取数据源，并缓存到Redis中</param>
/// <param name="timeout">过期时间，单位：分钟</param>
/// <returns></returns>
public static async Task <T> GetObjectAsync <T>(int dbIndex, string key, Func <T> fun, int timeout = EXPIRY) where T : class
{
dbIndex = CheckDbIndex(dbIndex);
T data = RedisUtils.StringGet <T>(dbIndex, key);
if (data != null)
{
return(data);
}
if (fun != null)
{
data = await Task.Run(() =>
{
return(fun());
});
}
if (data != null)
{
RedisUtils.StringSet <T>(dbIndex, key, data, TimeSpan.FromMinutes(timeout));
}
return(data);
}
/// <summary>
/// 获取缓存数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dbIndex">Redis数据库索引</param>
/// <param name="key">Redis键</param>
/// <param name="fun">从其他地方获取数据源，并缓存到Redis中</param>
/// <param name="timeout">过期时间，单位：分钟, Null将不过期</param>
/// <returns></returns>
public static T GetObject <T>(int dbIndex, string key, Func <T> fun, int?timeout = EXPIRY) where T : class
{
dbIndex = CheckDbIndex(dbIndex);
T data = RedisUtils.StringGet <T>(dbIndex, key);
if (data != null)
{
return(data);
}
if (fun != null)
{
data = fun();
}
if (data != null)
{
TimeSpan?timeSp = null;
if (timeout != null)
{
timeSp = TimeSpan.FromMinutes(Convert.ToDouble(timeout));
}
RedisUtils.StringSet <T>(dbIndex, key, data, timeSp);
}
return(data);
}
