/// <summary>
/// Get a cached item. If it's not in the cache yet, then load and cache it
/// </summary>
/// <typeparam name="T">Type of cached item</typeparam>
/// <param name="cacheManager">Cache manager</param>
/// <param name="key">Cache key</param>
/// <param name="cacheTime">Cache time in minutes (0 - do not cache)</param>
/// <param name="acquire">Function to load item if it's not in the cache yet</param>
/// <returns>Cached item</returns>
public static T Get <T>(this IRedisCacheService cacheManager, string key, int cacheTime, Func <T> acquire)
{
//item already is in cache, so return it
if (cacheManager.IsSet(key))
{
return(cacheManager.Get <T>(key));
}
//or create it using passed function
var result = acquire();
//and set in cache (if cache time is defined)
if (cacheTime > 0)
{
cacheManager.Set(key, result, DateTime.Now.AddMinutes(cacheTime));
}
return(result);
}