Martin

2011/10/22 Wolfgang Laun <wolfgang.laun@gmail.com>

There is no way the truth of true can be changed and, by definition, when there is no change in the condition there is no chance for another firing of the rule. All Production Systems are alike in this respect.
-W

2011/10/22 Martin A <wmlsub@gmail.com>
Hello,

Thanks for your response!

But I don't understand why such a rule with a high salience which looks like:

global int VARIABLE;

rule "init"
salience 999;
when
(eval(true))
then
VARIABLE = 1;
end

would fire only once?

Thank you,
Martin

2011/10/20 Wolfgang Laun <wolfgang.laun@gmail.com>

You can do this by setting the global from a high salience rule from within your DRL. Leave the conition empty - such a rule only fires once.
-W

2011/10/20 Martin A <wmlsub@gmail.com>

Hello,

I'd like to set global rules variables at the top of a rules file, like so:

global int WELCOME_SCREEN = 1;

so that I may easily refer to them from inside the rules, instead of hardcoding them somewhere in code. Is this possible?

Best regards,
Martin

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