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Op 17-01-12 10:41, Mark Proctor schreef:
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On 17/01/2012 08:27, Weiss, Wolfgang wrote:
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<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB">Thank you for the
quick answer! This makes absolutely sense and the rules
work now as expected.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB">Unfortunately, I
was not able to find this somewhere in the documentation.
It would be nice to see it in the documentation of drools
fusion. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB"><o:p> </o:p></span></p>
</div>
</blockquote>
Documentation is something anyone can do with a spare 10 minutes:<br>
1) install git<br>
2) install xmlmind<br>
3) "fork" drools on github, <a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://github.com/droolsjbpm/drools">https://github.com/droolsjbpm/drools</a><br>
4) clone your fork locally<br>
5) make changes to files with xmlmind, or xml editor of choice<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://github.com/droolsjbpm/drools/tree/master/drools-docs/drools-fusion-docs/src/main/docbook/en-US">https://github.com/droolsjbpm/drools/tree/master/drools-docs/drools-fusion-docs/src/main/docbook/en-US</a><br>
6) commit changes, push changes back to github<br>
7) use github gui to submit a pull request for your changes.<br>
<br>
It'll be more obvious to users what documentation is missing, and
they'll be able to word it better in a way that makes more sense
to other users.<br>
</blockquote>
If it's just a typo you want to fix, there's a very fast method:<br>
1) Go to github to the correct file, for example:<br>
<a class="moz-txt-link-freetext" href="https://github.com/droolsjbpm/drools/blob/master/drools-docs/drools-fusion-docs/src/main/docbook/en-US/Chapter-Features/Chapter-Events/Section-Events_Semantics.xml">https://github.com/droolsjbpm/drools/blob/master/drools-docs/drools-fusion-docs/src/main/docbook/en-US/Chapter-Features/Chapter-Events/Section-Events_Semantics.xml</a><br>
2) Click "Edit this file", edit it and save<br>
3) We automatically get a pull request and can accept it easily.<br>
<br>
The only thing that can take longer then a few seconds here is 1)
finding the file.<br>
But maybe the pressgang-styles can be adjusted<br>
to generate a link next to each section title to the docbook source
file on github.<br>
<blockquote cite="mid:4F15424D.8030403@codehaus.org" type="cite"> <br>
Mark<br>
<blockquote
cite="mid:6547E177D45A2C47A5E29F0F733EC3C5014DD95C8A86@RZJC1EX.jr1.local"
type="cite">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB">Wolfgang<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);" lang="EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif";"
lang="EN-GB">Von:</span></b><span style="font-size:
10pt; font-family:
"Tahoma","sans-serif";" lang="EN-GB">
<a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:rules-users-bounces@lists.jboss.org">rules-users-bounces@lists.jboss.org</a>
[<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="mailto:rules-users-bounces@lists.jboss.org">mailto:rules-users-bounces@lists.jboss.org</a>]
<b>Im Auftrag von </b>Wolfgang La</span><span
style="font-size: 10pt; font-family:
"Tahoma","sans-serif";" lang="DE">un<br>
<b>Gesendet:</b> Montag, 16. Jänner 2012 15:58<br>
<b>An:</b> Rules Users List<br>
<b>Betreff:</b> Re: [rules-users] Problem with Negative
Patterns and Temporal Constraints<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom: 12pt;">I don't see
that the "not" CE excludes the AnalysisCue bound to $cue
from being<br>
matched by the pattern inside the "not". I recommend using<br>
<br>
<b><span style="font-size: 10pt; font-family: Inconsolata;
color: rgb(150, 0, 0);" lang="EN-GB"> not</span></b><span
style="font-size: 10pt; font-family: Inconsolata;"
lang="EN-GB">(AnalysisCue(<b>this != $cue</b>, <span
style="color: rgb(150, 0, 0);">this</span>
after[0ms,2500ms] $cue) <span style="color: rgb(150, 0,
0);">from</span></span><br>
<br>
since "[0ms,..." does not inhibit the same event being
matched by both patterns,<br>
which precludes the rule from firing.<br>
<br>
-W<br>
<br>
<o:p></o:p></p>
<div>
<p class="MsoNormal">2012/1/16 Weiss, Wolfgang <<a
moz-do-not-send="true"
href="mailto:Wolfgang.Weiss@joanneum.at">Wolfgang.Weiss@joanneum.at</a>><o:p></o:p></p>
<div>
<div>
<p class="MsoNormal" style=""><span lang="EN-GB">Hi all!</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">We have
the problem that the following rule never fires:</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><b><span style="font-size:
10pt; font-family: Inconsolata; color: rgb(150, 0,
0);" lang="EN-GB">rule</span></b><span
style="font-size: 10pt; font-family: Inconsolata;"
lang="EN-GB"> <span style="color: green;">"test-rule"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">agenda-group</span></b>
<span style="color: green;">"evaluation"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">salience</span></b>
100</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">when</span></b></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
$cue : AnalysisCue() <b><span style="color:
rgb(150, 0, 0);">from</span></b> entry-point <span
style="color: green;">"LowLevelCueStream"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">not</span></b>(AnalysisCue(<b><span
style="color: rgb(150, 0, 0);">this</span></b>
after[0ms,2500ms] $cue) <b><span style="color:
rgb(150, 0, 0);">from</span></b> entry-point <span
style="color: green;">"LowLevelCueStream"</span>)</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">then</span></b></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
logger.debug(<span style="color: green;">"... some
message .."</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style=""><b><span style="font-size:
10pt; font-family: Inconsolata; color: rgb(150, 0,
0);" lang="EN-GB">end</span></b><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">We
found out that the problem is the combination of the
negation with the conditional element “not” and the
temporal constraint “[0ms,2500ms]”. Using the
temporal operator “this after $cue” without a
temporal constraint works correct in its semantics.</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">Interestingly,
when adding a constraint (cueType == 1) to the type
in the negative pattern the rule begins to work. The
rule would look like as follows:</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><b><span style="font-size:
10pt; font-family: Inconsolata; color: rgb(150, 0,
0);" lang="EN-GB">rule</span></b><span
style="font-size: 10pt; font-family: Inconsolata;"
lang="EN-GB"> <span style="color: green;">"test-rule"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">agenda-group</span></b>
<span style="color: green;">"evaluation"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">salience</span></b>
100</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">when</span></b></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
$cue : AnalysisCue() <b><span style="color:
rgb(150, 0, 0);">from</span></b> entry-point <span
style="color: green;">"LowLevelCueStream"</span></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">not</span></b>(AnalysisCue(cueType
== 1, <b><span style="color: rgb(150, 0, 0);">this</span></b>
after[0ms,2500ms] $cue) <b><span style="color:
rgb(150, 0, 0);">from</span></b> entry-point <span
style="color: green;">"LowLevelCueStream"</span>)</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
<b><span style="color: rgb(150, 0, 0);">then</span></b></span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="font-size:
10pt; font-family: Inconsolata;" lang="EN-GB">
logger.debug(<span style="color: green;">"... some
message .."</span>);</span><o:p></o:p></p>
<p class="MsoNormal" style=""><b><span style="font-size:
10pt; font-family: Inconsolata; color: rgb(150, 0,
0);" lang="EN-GB">end</span></b><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">unfortunately
the rule then fires with a delay of 4 to 5 seconds.
The second parameter of the temporal constraint
influences the delay.</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">When
changing the first parameter of the temporal
constraint to a value greater than 0 the rule works
as expected! The constraint would then look like as
follows: “[1ms, 2500ms]”. Whereas in our case, we
want to evaluate the time window from 0 – 2500ms.</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">Our
system works in the stream mode and we could
reproduce this behaviour with the versions 5.3.1 and
5.4.0 Beta 1. </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">Can
anybody confirm if this is a bug in Drools, or did I
overlook here something?</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style=""><span lang="EN-GB">Best
regards,</span><o:p></o:p></p>
<p class="MsoNormal" style=""><span style="color:
rgb(136, 136, 136);" lang="EN-GB">Wolfgang Weiss</span><span
style="color: rgb(136, 136, 136);"><o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="color:
rgb(136, 136, 136);" lang="EN-GB"> </span><span
style="color: rgb(136, 136, 136);"><o:p></o:p></span></p>
</div>
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<p class="MsoNormal" style="margin-bottom: 12pt;"><br>
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<p class="MsoNormal"><o:p> </o:p></p>
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<pre class="moz-signature" cols="72">--
With kind regards,
Geoffrey De Smet</pre>
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