Change the criteria list method

alots_ssa · **Joined:** Fri Sep 02, 2005 3:42 pm **Posts:** 32

Hi all, some times, i would like to create some logic for hibernate before it puts the objects inside the list. For example: let's suppose that this is a hibernate code for put the objects inside the list after the sql.

Code:

for(Object o : list){
  // i would like to put a condition here, java code!!!
   list.add(o);
}

There is anyway to do that out of the box? Or Do i have to implement the criteria interface? I want to do that because sometimes it is easier filter a list with java code than create a sql criteria, at lest before some performance problem.

Thanks,

Alberto

VampBoy · **Posted:** Mon Jun 29, 2009 3:35 pm

Check out result transformers, it might give you what you need.

alots_ssa · **Joined:** Fri Sep 02, 2005 3:42 pm **Posts:** 32

nice!!, i will take a look. thanks

alots_ssa · **Joined:** Fri Sep 02, 2005 3:42 pm **Posts:** 32

so... resulttransformer wasn't what i was looking for. I can build objects with it, but i can not choose if a object must be inside or not in the list. I know that i should do that with hql or criteria, but sometimes the sql query is a little bit boring and, if the performance enables, i would like to filter my objects with java code.

VampBoy · **Posted:** Tue Jun 30, 2009 4:34 pm

Take a look at DistinctResultTransformer that takes a list of non unique root entities and then pares down the list to a unique result. The list returned from transformList is the list that is ultimately returned.

I still think you want to reduce the results with your query but I still think the transformer is the way to go if you don't.