public static object Get <T>(string key, int?cacheDurationSeconds = null)
{
try
{
T objFromCache;
//first check mem cache
objFromCache = ObjectCache.GetItem <T>(key);
if (!EqualityComparer <T> .Default.Equals(objFromCache, default(T)))
{
return(objFromCache);
}
//at this point we know it's not in memory
//read from file system
objFromCache = FileCache.GetItem <T>(key, cacheDurationSeconds);
if (!EqualityComparer <T> .Default.Equals(objFromCache, default(T)))
{
return(objFromCache);
}
if (Azure.IsReady)
{
//not in mem or file
//hit blob storage
objFromCache = Azure.GetItem <T>(key, cacheDurationSeconds);
if (!EqualityComparer <T> .Default.Equals(objFromCache, default(T)))
{
return(objFromCache);
}
}
//TODO: else if (AmazonS3.IsReady)
return(null);
}
catch (Exception ex)
{
throw ex;
}
}