[rules-users] DrlParser not supporting temporal operators

[Lucas Amador]

Hi,
XML rule format wasn't updated to drools 5 new operators, because the  
lack of interest of the users


Sent from my phone

El 24/11/2009, a las 05:21, Swapnil Raverkar  
<swapnil.raverkar at gmail.com> escribió:

>
> Can anyone help me with this?
>
>
> Cheers,
>
> Swapnil
>
> 2009/11/21 Swapnil Raverkar <swapnil.raverkar at gmail.com>
>
> Thanks Edson. That worked.
>
> But the problem is that if i am using a temporal operator condition  
> as: this before[5s, 0s] $res
>
> the equivalent XML generated is as follows:
>
> <field-constraint field-name="this">
>        <variable-restriction evaluator="before" identifier="$res" />
> </field-constraint>
>
> over here [5s,0s] information is getting lost in the transformation.
>
> Is there any fix for this?
>
>
> Cheers,
>
> Swapnil
>
> 2009/11/21 Edson Tirelli <ed.tirelli at gmail.com>
>
>
>     All operators in drools are pluggable. Whenever you use the  
> KnowledgeBuilder to parse/compile rules, it will automatically build  
> a static registry of available operators for the parser, but if you  
> use the lower level parser API, you need to register the operators  
> by yourself. Just write the following line of code, before parsing  
> anything:
>
>    new EvaluatorRegistry();
>
>    This will statically initialize the registry with the operators  
> shipped with Drools. If you create your own operators, you can add  
> them to the cache by doing:
>
>    EvaluatorRegistry registry = new EvaluatorRegistry();
>    registry.addEvaluatorDefinition( new MyEvaluatorDefinition() );
>
>    []s
>    Edson
>
>
> 2009/11/20 Swapnil Raverkar <swapnil.raverkar at gmail.com>
>
> I am trying to dump an XML equivalent of a DRL file using DrlParser  
> & XMLOutputter.
>
> But when my rules file has rules with temporal operators  
> DrlParser.parser(inputStream) throws a NullPointerException.
>
> Why DrlParser is not supporing temporal operators yet?
>
>
> Cheers,
>
> Swapnil
>
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>
>
>
>
> -- 
>  Edson Tirelli
>  JBoss Drools Core Development
>  JBoss by Red Hat @ www.jboss.com
>
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>
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