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how to persist a MultiHashMap

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federico78

Post subject: how to persist a MultiHashMap

Posted: Sun Sep 26, 2004 9:24 am

Newbie

Joined: Sun Sep 26, 2004 9:12 am
Posts: 1

Hi,

I am using the Commons Collections interface MultiMap and its implementation MultiHashMap and I would like to persist instances of it with Hibernate.
MultiHashMap basically extends HashMap and for each key stores a Collection. I have read that Hibernate is not able to store this kind of Map.
Does anybody know a work around or have any tips to solve my problem.

Thanks
Fede

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101

Post subject:

Posted: Tue Oct 19, 2004 4:08 am

Beginner

Joined: Mon Mar 22, 2004 10:01 am
Posts: 22

I would like to do the same, but unfortunately I can't find anything about it in hibernate3 either.

I will solve my problem in my own metadata layer, with a custom property that will execute a query.

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teknokrat

Post subject:

Posted: Tue Oct 19, 2004 5:56 am

Regular

Joined: Thu Aug 28, 2003 10:54 am
Posts: 67

Sounds like you might have to look into the CollectionPersister interface.

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techyOne

Post subject:

Posted: Thu Aug 16, 2007 4:25 pm

Newbie

Joined: Tue Aug 14, 2007 3:16 pm
Posts: 4

any solution as of date for this problem. Would like to know

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