Hi, Wolfgang,<div><br></div><div>I was not aware of this sophisticated way of handling conditions in Drools :) Maybe I've missed this part in the documentation :) </div><div><br></div><div>Thanks for your response,</div>
<div>Martin<br><br><div class="gmail_quote">2011/10/22 Wolfgang Laun <span dir="ltr"><<a href="mailto:wolfgang.laun@gmail.com">wolfgang.laun@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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.<br><font color="#888888">-W</font><div>
<div></div><div class="h5"><br><br>
<div class="gmail_quote">2011/10/22 Martin A <span dir="ltr"><<a href="mailto:wmlsub@gmail.com" target="_blank">wmlsub@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello,<div><br></div><div>Thanks for your response!</div><div><br></div><div>But I don't understand why such a rule with a high salience which looks like:</div><div><br></div><div>global int VARIABLE;</div><div><br></div>
<div>rule "init"</div><div> salience 999;</div><div> when</div><div> (eval(true))</div><div> then</div><div> VARIABLE = 1;</div><div>end</div><div><br></div><div>would fire only once?</div><div><br></div>
<div>Thank you,</div><div>Martin<div><div></div><div><br><br><div class="gmail_quote">2011/10/20 Wolfgang Laun <span dir="ltr"><<a href="mailto:wolfgang.laun@gmail.com" target="_blank">wolfgang.laun@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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.<br>-W<br><br><div class="gmail_quote">2011/10/20 Martin A <span dir="ltr"><<a href="mailto:wmlsub@gmail.com" target="_blank">wmlsub@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="border-left:1px solid rgb(204, 204, 204);margin:0pt 0pt 0pt 0.8ex;padding-left:1ex"><div><div></div><div>Hello,<div><br></div><div>I'd like to set global rules variables at the top of a rules file, like so:</div>
<div><br></div><div>global int WELCOME_SCREEN = 1;</div><div><br></div><div>so that I may easily refer to them from inside the rules, instead of hardcoding them somewhere in code. Is this possible?</div>
<div><br></div><div>Best regards,</div><div>Martin</div>
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