[rules-users] Identifiers on LHS

[Isaac Pereira]

I got the Activation from the kcontext and thus, the methods suggested by
Wolfgang,

Thank you guys,

2011/9/20 Wolfgang Laun <wolfgang.laun at gmail.com>

> You can use an event listener for grabbing the
> org.drools.runtime.rule.Activation from a BeforeActivationFiredEvent and
> store it in a global for access by RHS code. Activation's List<String>
> getDeclarationIDs() and Object getDeclarationValue(String name) provide
> access to variables and what's bound to them.
>
> -W
>
>
> 2011/9/19 Isaac Pereira <pereira.zc at gmail.com>
>
>> Sorry for not explaining it before, Mauricio. My intent is to abstract the
>> attribute's setting of a class. I'll try to explain the context:
>>
>> On a defined class i've got certain fields which I tagged with
>> annotations. I want to automate the setting of these fields from certain
>> objects matched by a rule, the matching between the class fields and the
>> objects would be the identifiers. The field annotation holds the expected
>> identifier to match. Thus, a general method would be capable to set the
>> fields of any class just passing to it the class fields and the identifiers
>> metadata.
>>
>> What i've been developing is related with situation detection. The 'class'
>> I refer above is a situation type and the attributes are roles that an
>> entity can play in a situation. Each situation type has a rule that defines
>> when it is active and must instantiate a new situation and set the
>> participant entities.
>>
>> I''ll talk more about what i'm working on as soon as i get time to write.
>>
>> Thanks for the help,
>>
>> 2011/9/19 Mauricio Salatino <salaboy at gmail.com>
>>
>>> You can get metadata using the kcontext variable but I'm not sure if you
>>> can get the information about the identifiers.
>>> Can you describe what are you looking to achieve? because the rule is
>>> fixed and the identifiers as well. Why do you want to do reflection like
>>> stuff in the RHS? I'm just curious..
>>>  Cheers
>>>
>>> 2011/9/19 Isaac Pereira <pereira.zc at gmail.com>
>>>
>>>> Hi Mauricio,
>>>>
>>>> I mean a metadata structure that I can iterate on, then I wouldn't need
>>>> to explicitely know the identifiers declared into a rule. Analogous to
>>>> getting fields from a class using reflection.
>>>>
>>>> Thanks,
>>>>
>>>>
>>>> 2011/9/19 Mauricio Salatino <salaboy at gmail.com>
>>>>
>>>>> What do you mean with a mapping between identifiers?
>>>>> If you define an identifier and bind a property or an object reference
>>>>> to it you can access it in the RHS directly.
>>>>> Cheers
>>>>>
>>>>>  2011/9/19 Isaac Pereira <pereira.zc at gmail.com>
>>>>>
>>>>>>  Hi,
>>>>>>
>>>>>> Is there a way to get, on the RHS, a mapping between
>>>>>> identifiers, declared on the LHS, and its respectives objects?
>>>>>>
>>>>>>
>>>>>> I would appreciate any help.
>>>>>>
>>>>>> --
>>>>>> Isaac Pereira
>>>>>>
>>>>>> _______________________________________________
>>>>>> rules-users mailing list
>>>>>> rules-users at lists.jboss.org
>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>  - CTO @ http://www.plugtree.com
>>>>>  - MyJourney @ http://salaboy.wordpress.com
>>>>> - Co-Founder @ http://www.jugargentina.org
>>>>>  - Co-Founder @ http://www.jbug.com.ar
>>>>>
>>>>>  - Salatino "Salaboy" Mauricio -
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> rules-users mailing list
>>>>> rules-users at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>>
>>>>>
>>>> --
>>>> Isaac Pereira
>>>>
>>>>
>>>> _______________________________________________
>>>> rules-users mailing list
>>>> rules-users at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>
>>>>
>>>
>>>
>>> --
>>>  - CTO @ http://www.plugtree.com
>>>  - MyJourney @ http://salaboy.wordpress.com
>>> - Co-Founder @ http://www.jugargentina.org
>>>  - Co-Founder @ http://www.jbug.com.ar
>>>
>>>  - Salatino "Salaboy" Mauricio -
>>>
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>
>>>
>> --
>> Isaac Pereira
>>
>>
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>>
>>
>
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>
-- 
Isaac Pereira
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