<br> Chris,<br><br> Fusion is an extension of Drools Expert. Think about it as all Expert features + some additional features. That is why Drools Fusion docs is just a list of features explained.<br><br> I assume you looked here already:<br>
<br><a href="http://www.jboss.org/drools/documentation.html">http://www.jboss.org/drools/documentation.html</a><br><br> For both, expert and fusion docs.<br><br> So, back to your rule, syntax seems correct to me. Why do you say it is not working? What error or symptoms do you see?<br>
<br> []s<br> Edson<br><br><div class="gmail_quote">2009/5/26 Chris Richmond <span dir="ltr"><<a href="mailto:crichmond@referentia.com">crichmond@referentia.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;">
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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Hello,</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">I am trying to write a rule for a moving average over values
over the last minute using fusion. In general I can’t seem to
locate a detailed resource for authoring syntax for these types of rules or
rules in general, but specifically, I tried to modify something from the fusion
documentation for my purposes using the StockTicker fusion sample. Here
is the rule entry I aded to the broker.drl:</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p style=""><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">rule</span></font></b><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> </span></font><font color="green" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: green;">"Alert when
moving average goes below 50"</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">when</span></font></b><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> Number( doubleValue > 127 ) </span></font><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">from</span></font></b><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> </span></font><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">accumulate</span></font></b><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;">(</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> StockTick( symbol == </span></font><font color="green" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: green;">"ORCL"</span></font><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;">, $price: price ) over window:time( 1m ),</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> average( $price ) )</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">then</span></font></b><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p style=""><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;"> System.out.println(</span></font><font color="green" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: green;">"moving average has gone beyone moving average"</span></font><font color="black" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: black;">);</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";"></span></font></p>
<p><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;">End</span></font></b></p>
<p><b><font color="#960000" size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(150, 0, 0); font-weight: bold;"> </span></font></b></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">I basically want to be alerted any time the moving average
for ORCL moves above 127 (or whatever criteria I set…I picked that based
on the sample data the sample fusion project uses), but it doesn’t seem
to be working. </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">I guess if I could locate the definitave samples or guide
for authoring these types of rules I could use that, but it’s very
difficult to piece together how to author rules utilizing fusion features based
on isolated snippets from the fusion guide.</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Can anyone point me to some reasources for learning rule
authoring, especially for taking advantage of the fusion features.</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Thanks,</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"><br><font color="#888888">
Chris</font></span></font></p>
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<br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a><br>