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From Mathieu Lecarme <math...@garambrogne.net>
Subject Re: Several questions about scoring/sorting + random sorting in an image/related application
Date Fri, 15 Jun 2007 16:51:52 GMT
Your need is :

>From a request you find images
from images you get collections
collections are sorted
collections are returned

you've got a lot of images, and 300 collections

right?

Antoine Baudoux a écrit :
>     I am very sorry, but i dont understand at all what you mean in
> terms of Lucene api. Could you drop a few lines of concrete code to
> help me understand? I'm quite new to lucene.
>
> Thanks!
>
>
>
>> You sort only "collection", wich are 300.
>>
>> first step, you search query with lucene
>> Map<Integer, Collection> collecs wich come from any persisted stuff.
>> Collection implement Sortable.
>> Set bags = new HashSet<Collection>();
>> iterate over hit
>> bags.add(collecs.get(hit.getTheIdOfTheCollection));
>>
>> you've got a bag with at most 300 elements
>> you can sort it with strange rules.
>>
>> M.
>>
>> Antoine Baudoux a écrit :
>>> The problem is that i want lucene to do the sorting, because the query
>>> qould return thousands of results, and I'm displaying documents one
>>> page at a time.
>>>
>>>
>>> On 15 Jun 2007, at 17:42, Mathieu Lecarme wrote:
>>>
>>>> First step is to feed a Set with "collection"
>>>> Second step is to sort it.
>>>>
>>>> With a sortedSet, you can do that, isnt'it?
>>>>
>>>> M.
>>>>
>>
>>
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>
>
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