Mailing-List: contact users-help@openjpa.apache.org; run by ezmlm
Precedence: bulk
Reply-To: users@openjpa.apache.org
Received-SPF: pass (athena.apache.org: domain of plinskey@gmail.com designates
 74.125.92.25 as permitted sender)
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to
         :content-type:content-transfer-encoding;
        b=In3NRMp3Nxedj6DXJ506FHn4RArd1NVZ7uSeqY26O2iknH6DIQF0XOrnk/nKxPStvh
         nJJnAFvc+9JiVg1dkwqm4DrjOFlltgqhuu8rywbXZ7IISOZW82gL+13TSYfJJ+EYTIMP
         IgJI39oTHRB3iLljK+VX8n86wMQ6iBvnSZB1s=
MIME-Version: 1.0
In-Reply-To: <q2p1ba389ce1004141317rc5dd5110q1545f418461d226a@mail.gmail.com>
References: <j2y1ba389ce1004140959n6b277fc8zf69944526b5f6a8f@mail.gmail.com>
	<u2l7262f25e1004141056y24210f2dh39dcd3f3792df861@mail.gmail.com>
	<q2p1ba389ce1004141317rc5dd5110q1545f418461d226a@mail.gmail.com>
From: Patrick Linskey <plinskey@gmail.com>
Date: Wed, 14 Apr 2010 15:08:05 -0700
Message-ID: <r2n7262f25e1004141508l56c3146bzd604fb7d24024163@mail.gmail.com>
Subject: Re: OpenJPA 1.2.x & map key as enum stored as string (probably a FAQ)
To: users@openjpa.apache.org
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

> Yes, I've tried that & OpenJPA wants to use the enum's ordinal instead
> of its string representation.  How do I force the use of its string
> representation?

In JPA2, you could use the EnumType annotation.

In earlier versions, it looks like you could either change the default
across the board via re-configuring the PersistenceMapping (a bit
invasive), or you could do something like
@KeyStrategy("StoreOrdinal=3Dfalse")

> PS:  Who's Max?  ;)

http://amzn.to/10UcX2

-Patrick

On Wed, Apr 14, 2010 at 1:17 PM, Matthew Adams <matthew@matthewadams.me> wr=
ote:
> Yes, I've tried that & OpenJPA wants to use the enum's ordinal instead
> of its string representation. =A0How do I force the use of its string
> representation?
>
> Thanks,
> Matthew
>
> PS: =A0Who's Max? =A0;)
>
> On Wed, Apr 14, 2010 at 10:56 AM, Patrick Linskey <plinskey@gmail.com> wr=
ote:
>> Hi, Max!
>>
>> I think that @PersistentMap is your friend here. Have you tried that ann=
otation?
>>
>> Happy sailing,
>>
>> -Patrick
>>
>> On Wed, Apr 14, 2010 at 9:59 AM, Matthew Adams <matthew@matthewadams.me>=
 wrote:
>>> Hi all,
>>>
>>> Sorry if this is a FAQ. =A0I can't seem to find it in the docs or googl=
ing.
>>>
>>> I have the following scenario and just need to know which
>>> OpenJPA-specific annotations to apply to my field. =A0The scenario is a
>>> field of type Map where the map key is an enum that I want to store as
>>> @Enumerated(EnumType.STRING) and is not an attribute of the values in
>>> the map using OpenJPA 1.2.x & JPA 1.0 (can't go to JPA 2.0 yet).
>>> Assume all classes use a simple @Id field of type Long.
>>>
>>> public enum Place { HOUSE, CAVE, LEAN_TO, BARE_SPOT; }
>>>
>>> @Entity
>>> public class WildThing {
>>> =A0/* NOTE: does **not** have a field of type Place! */
>>> =A0@Id
>>> =A0protected Long id;
>>> =A0protected String name;
>>> }
>>>
>>> @Entity
>>> public class WhereTheWildThingsAre {
>>>
>>> =A0@Id
>>> =A0protected Long id;
>>>
>>> =A0// what annotation(s) do I put here?
>>> =A0@OneToMany(cascade =3D
>>> =A0 =A0{ CascadeType.MERGE, CascadeType.REFRESH, CascadeType.PERSIST })
>>> =A0protected Map<Place,WildThing> thingsByClassification
>>> =A0 =A0=3D new HashMap<Place,WildThing>;
>>>
>>> }
>>>
>>> Again, I want the key to be stored as the string representation of the
>>> enum constant.
>>>
>>> TIA,
>>> Matthew
>>>
>>> --
>>> mailto:matthew@matthewadams.me
>>> skype:matthewadams12
>>> yahoo:matthewadams
>>> aol:matthewadams12
>>> google-talk:matthewadams12@gmail.com
>>> msn:matthew@matthewadams.me
>>> http://matthewadams.me
>>> http://www.linkedin.com/in/matthewadams
>>>
>>
>>
>>
>> --
>> Patrick Linskey
>> 202 669 5907
>>
>
>
>
> --
> mailto:matthew@matthewadams.me
> skype:matthewadams12
> yahoo:matthewadams
> aol:matthewadams12
> google-talk:matthewadams12@gmail.com
> msn:matthew@matthewadams.me
> http://matthewadams.me
> http://www.linkedin.com/in/matthewadams
>


--=20
Patrick Linskey
202 669 5907