<br> If you know what is the timestamp attribute, you can even write a rule... :)<br><br>rule "garbage collect"<br> salience 100 // use a reasonable salience <br>when<br> $e : Event( $ts : timestamp )<br>
not Event( timestamp < $ts )<br> Number( intValue > 1000 ) from accumulate( <br> $c : Event(),<br> count( $c ) )<br>then<br> $retract( $e );<br>end<br><br> Not sure if it is the best way, but should work... :)<br>
<br> []s<br> Edson<br><br><div><span class="gmail_quote">2008/2/19, Zoltan Farkas <<a href="mailto:zoly@daxtechnologies.com">zoly@daxtechnologies.com</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I am looking to implement a system that has as facts "events"
that happen randomly.</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">How is the best way to implement a "garbage collection"
mechanism that if the number of "events" in the working memory reaches
a limit value will retract the oldest event/s…</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">--zoly</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
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<br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> Office: +55 11 3529-6000<br> Mobile: +55 11 9287-5646<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a>