Probably not, but the difference is probably so small it's not worth making
any decisions based on performance.
Diego
On Wed, Oct 20, 2010 at 14:45, Felipe Oriani <[email protected]> wrote:
> Diego, Use List<object[]> and map DTO is more performative than
> SetResultTransformer ?
>
>
> On Wed, Oct 20, 2010 at 3:27 PM, Diego Mijelshon
> <[email protected]>wrote:
>
>> Workaround: instead of the ResultTransformer use List<object[]> and map
>> the DTO using LINQ to objects
>> .Select(x => new HouseDto{ HouseName = (string)x[0] ... })
>>
>> Diego
>>
>>
>>
>> On Wed, Oct 20, 2010 at 01:46, Quooston <[email protected]> wrote:
>>
>>> Hi,
>>>
>>> I have a DTO which I am trying to map to by means of the
>>> AliasToBeanResultTransformer.
>>>
>>> All works as expected until I try to utilize the second level cache
>>> with SetCacheable(true):
>>>
>>> houseDtos = newSession.CreateCriteria<House>()
>>> .SetCacheable(true)
>>> .SetCacheMode(CacheMode.Get | CacheMode.Put)
>>> .CreateAlias("Rooms", "r", JoinType.LeftOuterJoin)
>>> .SetProjection(Projections.ProjectionList()
>>> .Add(Projections.Id(), "Id")
>>>
>>> .Add(Projections.Property("HouseName"),
>>> "HouseName")
>>>
>>> .Add(Projections.Property("r.RoomName"),
>>> "FirstRoomName")
>>> )
>>>
>>> .SetResultTransformer(Transformers.AliasToBean(typeof(HouseDto)))
>>> .List<HouseDto>();
>>>
>>> which results in:
>>>
>>> NHibernate.Exceptions.GenericADOException : Unable to perform
>>> find[SQL: SQL not available]
>>> ----> System.InvalidCastException : Unable to cast object of type
>>> 'Leica.Bond.Server.Core.IntegrationTests.HouseDto' to type
>>> 'System.Object[]'.
>>>
>>> What can I do to have the second level cache play nice with the above?
>>>
>>> Thanks in advance for any input provided.
>>>
>>> Cheers
>>>
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>
>
>
> --
> ______________________________________
> Felipe B. Oriani
> @felipeoriani <http://www.twitter.com/felipeoriani> | felipeoriani.com.br|
> [email protected]
>
> "...Trabalhe quanto puder, tornando-se útil quanto possível..." , por André
> Luiz
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