protected virtual RedisCachedObject <T> GetCachedValue <T>(RedisValue redisValue, IRedisService service, bool first)
{
string decompressed = null;
if (default(RedisValue) == redisValue)
{
return(CreateCachedValue <T>());
}
if (CacheSettings.ServiceSettings.CompressValues)
{
decompressed = DecompressValue(redisValue);
}
if (default(RedisValue) == redisValue)
{
return(CreateCachedValue <T>());
}
decompressed = decompressed ?? redisValue;
RedisCachedObject <T> value;
if (!first)
{
ISerializationService sz = CacheSettings.SerializationService;
try
{
return(sz.DeserializeObject <RedisCachedObject <T> >(decompressed, CacheSettings.SerializationSettings));
}
catch (SerializationException)
{
return(CreateCachedValue <T>());
}
}
RedisCachedObject <string> stringValue = GetCachedValue <string>(redisValue, service, false);
if (typeof(T) == typeof(object) || typeof(T) == typeof(string))
{
value = ChangeType <T, string>(stringValue);
}
else if (typeof(T).IsPrimitive)
{
value = ChangeType <T, string>(stringValue);
}
else
{
ISerializationService sz = CacheSettings.SerializationService;
value = new RedisCachedObject <T>
{
RetrievedSuccesfully = stringValue.RetrievedSuccesfully,
Value = sz.DeserializeObject <T>(stringValue.Value, CacheSettings.SerializationSettings),
CachedTime = stringValue.CachedTime,
Status = stringValue.Status,
Metadata = stringValue.Metadata,
Id = stringValue.Id,
ExpireTime = stringValue.ExpireTime,
};
}
if (value != null && value.ExpireTime < DateTime.UtcNow)
{
if (value.Id != null)
{
service.DeleteValue(value.Id);
}
return(CreateCachedValue <T>());
}
return(value);
}