[rules-users] what is "pluggable dialects"

[Mark Proctor]

jack wu wrote:
> i read the documentation saying drools 4.x supports pluggable 
> dialects, but i can't find anything else that explains what it is. i 
> think by default i am using java dialect. and there is a MVEL dialect. 
> is that it?
>
> i am trying to see if there is a way to not use java beans as fact 
> objects.
>
> i have been looking to the MVEL website where they have a sample like 
> this:
> Map vars = new HashMap();
> vars.put("x", new Integer(5));
> vars.put("y", new Integer(10));
>
> Integer result = (Integer) MVEL.eval("x * y", vars);
> my question is if i use MVEL dialect, can i pass in a Map similar to 
> the above for fact objects? Thanks.
Dialects make  no difference to  what you can assert. The dialect is 
simple the lanage used to execute returnValue, inlne-evals, evals and 
consequences. You can choose  Java or MVEL, or plugin your own.
>
> jack.
>
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