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sore
 Post subject: Select a song with the tags Blackmetall AND Didgeridoo
PostPosted: Sun Feb 28, 2010 10:52 pm 
Newbie

Joined: Sun Nov 15, 2009 8:22 pm
Posts: 19
Ok so easy question probably, but I had an accident with the microwave and now my brain is all messed up.

A Song has Tags on it.

class Song {
List<Tag> tags;
}

and I want to be able to select a song that has 1 or more specified tags.

i.e. only show the songs that have the tag Blackmetall, or show only the songs that have the tags Blackmetall AND Didgeridoo.

Could be more than 2 tags.

Thanks!


Last edited by sore on Tue Mar 02, 2010 12:38 pm, edited 2 times in total.

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sore
 Post subject: Re: Select a song with the tags Blackmetall AND Didgeridoo
PostPosted: Mon Mar 01, 2010 6:17 am 
Newbie

Joined: Sun Nov 15, 2009 8:22 pm
Posts: 19
Anyone??

I have this, but its not working at all

Code:
criteria.createAlias("tags", "tagsAlias");
Junction junc = Restrictions.conjunction();

for (Tag tag : tags) {
if (tag != null && tag.getId() != null) {
   junc.add(Restrictions.like("tagsAlias.id", tag.getId()));

   }
}
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sore
 Post subject: Re: Select a song with the tags Blackmetall AND Didgeridoo
PostPosted: Mon Mar 01, 2010 12:14 pm 
Newbie

Joined: Sun Nov 15, 2009 8:22 pm
Posts: 19
The same question here in this thread, except my problem is a many to many link

viewtopic.php?f=1&t=1002055&p=2423564&hilit=createAlias#p2423564

but no answer there. Should be a easy one, could someone give some directions???
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sore
 Post subject: Re: Select a song with the tags Blackmetall AND Didgeridoo
PostPosted: Tue Mar 02, 2010 12:39 pm 
Newbie

Joined: Sun Nov 15, 2009 8:22 pm
Posts: 19
bump
please someone??
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sore
 Post subject: Re: Select a song with the tags Blackmetall AND Didgeridoo
PostPosted: Wed Mar 03, 2010 7:31 pm 
Newbie

Joined: Sun Nov 15, 2009 8:22 pm
Posts: 19
So I found a really old issue with this:

http://opensource.atlassian.com/project ... se/HHH-879

apparently duplicate associations are not possible. How do you solve problems like this with criterias??
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