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| Re: EMF and Maps [message #423130 is a reply to message #423128] |
Tue, 23 September 2008 11:43  |
Eclipse User |
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Luzi,
The Ecore model's EAnnotation.details is an example so you can look at
how that works. If you simply treat an EMap as a plain old containment
EList, all the same concepts apply as for non-EMaps. Generally you'd use
add and remove commands to manipulate EMaps. The feature, owner, and
value are no different than any other non-EMap case. The only tricky
thing is that there's no strongly typed create method for the map entry
in the generated factory interface...
Luzi Anderegg wrote:
> Ed,
>
> thanks for your answer! I still have problems with maps and emf
> commands. do i have to use an addcommand or a setcommand? and what are
> the feature, the owner, and the value? do you have a sample for that?
>
> Luzi
>
> Ed Merks wrote:
>> Luzi,
>>
>> Just treat it like a list and use
>> EcoreUtil.create(XyzPackage.Literals.<MapEntryClass>) to create the
>> instance you want to add. Cast the result of the creation to
>> BasicMap.Entry to set the key and value.
>>
>>
>> Luzi Anderegg wrote:
>>> Hi,
>>>
>>> I modelled a map in my ecore according to
>>> http://wiki.eclipse.org/EMF/FAQ#How_do_I_create_a_Map_in_EMF .3F. Is
>>> there an example how to use such a map with an AddCommand from the
>>> generated edit plug-in?
>>>
>>> Gnerally, I did not find much information about modelling maps in
>>> EMF. Does somebody know some good pointers?
>>>
>>> Luzi
>>>
>>>
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