[rules-users] How to manage lists of data

[Michael Anstis]

You could investigate the lists being set-up with a low salience rule and
suitable declarative model (or static in a JAR):-

rule "setup"
when
then
    insert(new Cheese("cheddar"));
    insert(new Cheese("brie"));
end

rule "likes cheese"
when
    $c : Cheese( )
    $p : Person( likedCheeses contains $c )
then
    System.out.println($p.getName() + " likes " + $c.getName());
end

This appears to be possible in Guvnor, although tbh I've not tried in anger.

With kind regards,

Mike

2011/3/22 Alexander, Scott F <scott.f.alexander at jpmorgan.com>

> Hi,
>
> Im pretty new to drools and have been going through the docs for the Expert
> and guvnor.  I have some basic unit tests running with the rules I am trying
> to replicate from a legacy system.  One of the rules my current system uses
> is to check a property in an Object against a list of values and fire if the
> property is present in the list ie list.contains(someValue);
>
>
>
> I am trying to find out what the best practise is for setting up the lists
> which will be checked against.  I don’t want to have to include these lists
> in java classes and upload them as facts.  I would much rather be able to
> manage them through guvnor so my non technical users can manage them
> themselves without the need to release a new jar file.
>
>
>
> Thanks.
>
>
>
>
>
>
>
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