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| Re: [Teneo] Object to Object [message #426835 is a reply to message #426834] |
Thu, 22 January 2009 10:03   |
 Martin Taal
Messages: 5468
Registered: July 2009 |
Senior Member |
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Hi Mario,
As a default for non-contaimnent relations a join table should be generated.
You can also force a jointable by adding the @JoinTable(name="TESTMAP") annotation to the model. See
here on how to do that:
http://www.elver.org/hibernate/ejb3_format.html
gr. Martin
Mario wrote:
> Hi everybody,
>
> i couldn't find a solution for my problem on the web, so i'm posting here:
>
> I want to use and persist a HashMap of the form Map<Object, Object> in
> one of my classes as an attribute. I created the Map like proposed here:
> http://wiki.eclipse.org/index.php/EMF-FAQ#How_do_I_create_a_ Map_in_EMF.3F
> and everything works fine, except of the generated Mapping file.
>
> Instead of something like this:
>
> <map name="testMap" table="TESTMAP" lazy="true"
> cascade="all,delete-orphan">
> <key update="true" foreign-key="componentdistribution_testmap">
> <column name="`componentdistribution_testmap_e_id`" not-null="false"
> unique="false"/>
> </key>
> <map-key-many-to-many entity-name="ComponentImplementation"/>
> <many-to-many entity-name="DeviceClass"/>
> </map>
>
> Teneo generates this:
>
> <map name="testMap" lazy="true" cascade="all,delete-orphan">
> <key update="true" foreign-key="componentdistribution_testmap">
> <column name="`componentdistribution_testmap_e_id`" not-null="false"
> unique="false"/>
> </key>
> <map-key-many-to-many entity-name="ComponentImplementation"/>
> <one-to-many entity-name="DeviceClass"/>
> </map>
>
> ,giving me an extry column in the DeviceClass table instead of an extra
> table. Are there any options i have to set to force an mapping like this
> on top?
>
> Thanks for any comment,
>
> Mario
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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| Re: [Teneo] Object to Object [message #426860 is a reply to message #426835] |
Thu, 22 January 2009 18:08 |
Mario Charest
Messages: 42
Registered: July 2009 |
Member |
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|
Thanks, the @JoinTable Annotation did it..seems as i have to read more
about EJB :>
Martin Taal schrieb:
> Hi Mario,
> As a default for non-contaimnent relations a join table should be
> generated.
> You can also force a jointable by adding the @JoinTable(name="TESTMAP")
> annotation to the model. See here on how to do that:
> http://www.elver.org/hibernate/ejb3_format.html
>
> gr. Martin
>
> Mario wrote:
>> Hi everybody,
>>
>> i couldn't find a solution for my problem on the web, so i'm posting
>> here:
>>
>> I want to use and persist a HashMap of the form Map<Object, Object> in
>> one of my classes as an attribute. I created the Map like proposed
>> here:
>> http://wiki.eclipse.org/index.php/EMF-FAQ#How_do_I_create_a_ Map_in_EMF.3F
>> and everything works fine, except of the generated Mapping file.
>>
>> Instead of something like this:
>>
>> <map name="testMap" table="TESTMAP" lazy="true"
>> cascade="all,delete-orphan">
>> <key update="true" foreign-key="componentdistribution_testmap">
>> <column name="`componentdistribution_testmap_e_id`" not-null="false"
>> unique="false"/>
>> </key>
>> <map-key-many-to-many entity-name="ComponentImplementation"/>
>> <many-to-many entity-name="DeviceClass"/>
>> </map>
>>
>> Teneo generates this:
>>
>> <map name="testMap" lazy="true" cascade="all,delete-orphan">
>> <key update="true" foreign-key="componentdistribution_testmap">
>> <column name="`componentdistribution_testmap_e_id`" not-null="false"
>> unique="false"/>
>> </key>
>> <map-key-many-to-many entity-name="ComponentImplementation"/>
>> <one-to-many entity-name="DeviceClass"/>
>> </map>
>>
>> ,giving me an extry column in the DeviceClass table instead of an
>> extra table. Are there any options i have to set to force an mapping
>> like this on top?
>>
>> Thanks for any comment,
>>
>> Mario
>
>
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