<br> Saleem, <br><br> In 4.0GA, you need to bind families first:<br><br>ObjectA( $f : families, units != $f )<br><br> We will add syntax sugar to avoid the need for bind.<br><br> []s<br> Edson<br><br><div><span class="gmail_quote">
2007/8/21, Saleem Lakhani <<a href="mailto:Saleem.Lakhani@citizensfla.com">Saleem.Lakhani@citizensfla.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;">
<div link="blue" vlink="blue" lang="EN-US">
<div>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Thanks </span></font><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">Edson. That helped.
One more thing, can't we execute something simple like: ObjectA</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">(units != families)</span></font></p>
<p><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">When both units
& families are defined as int in ObjectA with their public get and set
methods. This is the exception I am receiving.</span></font></p>
<p><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font></p>
<p><font color="red" face="Courier New" size="2"><span style="font-size: 10pt; color: red;">org.drools.rule.InvalidRulePackage:
Unable to return Declaration for identifier 'families' : [Rule name=Rule6, agendaGroup=Rating,
salience=0, no-loop=false]</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> Its even showing correctly in drl editor. If I swap the positions
of units & families then the same exception is thrown for 'units'.
</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">regards,</span></font></p>
<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">saleem</span></font></p>
<p style="margin-left: 0.5in;"><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"><span class="q">-----Original Message-----<br>
<b><span style="font-weight: bold;">From:</span></b>
<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rules-users-bounces@lists.jboss.org</a>
[mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rules-users-bounces@lists.jboss.org</a>] <b><span style="font-weight: bold;">On
Behalf Of </span></b>Edson Tirelli<br></span>
<b><span style="font-weight: bold;">Sent:</span></b> </span></font><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">Tuesday, August
21, 2007</span></font><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"> </span></font><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">1:56 PM</span></font>
</p><div><span class="e" id="q_1148a23146114894_3"><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;"><br>
<b><span style="font-weight: bold;">To:</span></b> Rules Users List<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Minor
Issue in writing DSL</span></font></span></div><p></p><div><span class="e" id="q_1148a23146114894_5">
<p style="margin-left: 0.5in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
<p style="margin-right: 0in; margin-bottom: 12pt; margin-left: 0.5in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
Saleem,<br>
<br>
For sure, your mapping must have some typo or mistake. A rule like
this works and is correct:<br>
<br>
rule XYZ<br>
when<br>
ObjectA( </span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">application==true ||
banker==true || officer==true )<br>
then<br>
// do something<br>
end</span></font></p>
<div>
<p style="margin-left: 0.5in;"><span><font face="Times New Roman" size="3"><span style="font-size: 12pt;">
Drools does NOT inspect object fields... only public methods.</span></font></span><br>
<br>
<span> If you are using a DSL, make sure
your "drl" file is named "dslr" (this is new in 4.0), so
when you open it in eclipse, you have a tab that shows you the result of the
DSL template processing. This way you will be able to see any eventual mapping
mistake.</span><br>
<br>
<span> []s</span><br>
<span> Edson</span><br>
<br>
<br>
<span>2007/8/21, Saleem Lakhani < <a href="mailto:Saleem.Lakhani@citizensfla.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">Saleem.Lakhani@citizensfla.com</a>>:</span></p>
<div link="blue" vlink="blue">
<div>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">When I use the syntax
below and write like: </span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 0.5in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">[when]ABC=ObjectA(application==true
|| banker==true || officer==true)</span></font></p>
<p style="margin-left: 0.5in;"><font face="Courier New" size="2"><span style="font-size: 10pt;"> </span></font></p>
<p style="margin-left: 0.5in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">on drl it gives me the
following error:</span></font></p>
<p style="margin-left: 0.5in;"><font face="Courier New" size="2"><span style="font-size: 10pt;"> </span></font></p>
<p style="margin-left: 0.5in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">Multiple markers at this
line:</span></font></p>
<p style="margin-left: 1.25in; text-indent: -0.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">-</span></font><font size="1"><span style="font-size: 7.5pt;"> </span></font><font face="Courier New" size="2">
<span style="font-size: 10pt;">unknown:116:39
Unexpected token '=='</span></font></p>
<p style="margin-left: 1.25in; text-indent: -0.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">-</span></font><font size="1"><span style="font-size: 7.5pt;"> </span></font><font face="Courier New" size="2">
<span style="font-size: 10pt;">unknown:116:25
Unexpected token '||'</span></font></p>
<p style="margin-left: 1.25in; text-indent: -0.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">-</span></font><font size="1"><span style="font-size: 7.5pt;"> </span></font><font face="Courier New" size="2">
<span style="font-size: 10pt;">unknown:116:64
Unexpected token '=='</span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Again, there are NO
attributes in ObjectA named application, banker or officer.</span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;">Thanks</span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 0.5in;"><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial; color: navy;"> </span></font></p>
<p style="margin-left: 1in;"><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family: Tahoma;">-----Original Message-----<br>
<b><span style="font-weight: bold;">From:</span></b> <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rules-users-bounces@lists.jboss.org</a>
[mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
rules-users-bounces@lists.jboss.org</a>] <b><span style="font-weight: bold;">On
Behalf Of </span></b>Edson Tirelli<br>
<b><span style="font-weight: bold;">Sent:</span></b> Tuesday, August 21, 2007
9:49 AM<br>
<b><span style="font-weight: bold;">To:</span></b> Rules Users List<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Minor Issue
in writing DSL</span></font></p>
<p style="margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
<p style="margin-right: 0in; margin-bottom: 12pt; margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
Drools respects encapsulation, so it works with javabean method
name conventions. If you have a method isApplication() that returns a boolean,
does not matter how your class calculates the return value. Same for any other
method. In 4.0, you can write:<br>
<br>
ObjectA( application == true || banker == true )<br>
<br>
To map that as a DSL, just follow your usual procedure and syntax.<br>
<br>
[]s<br>
Edson</span></font></p>
<div>
<p style="margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">2007/8/21, Saleem Lakhani < <a href="mailto:Saleem.Lakhani@citizensfla.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
Saleem.Lakhani@citizensfla.com</a>>:</span></font></p>
<div link="blue" vlink="purple">
<div>
<p style="margin-left: 1in;"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Hi,</span></font></p>
<p style="margin-left: 1in;"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p style="margin-left: 1in;"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">If I had a rule written in DSL using Drools 3.0 like;</span></font></p>
<p style="margin-left: 1in;"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p style="margin-left: 1.5in; text-indent: -0.25in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">1.</span></font><font size="1"><span style="font-size: 7.5pt;"> </span></font><font face="Arial" size="2">
<span style="font-size: 10pt; font-family: Arial;">[when]
when1=r : ObjectA( )</span></font></p>
<p style="margin-left: 1.5in; text-indent: -0.25in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">2.</span></font><font size="1"><span style="font-size: 7.5pt;"> </span></font><font face="Arial" size="2">
<span style="font-size: 10pt; font-family: Arial;">[when]
when2=</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">eval(r.isApplication() || r.isBanker())</span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;"> </span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">There are no attributes in class
Object with name application and banker but there are methods in ObjectA with
names isApplication() & isBanker() which does some work and return Boolean
based on some facts.</span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;"> </span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">What is the correct way of
writing the same rule using Drools 4.0 ?</span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;"> </span></font></p>
<p style="margin-left: 1.25in;"><font face="Courier New" size="2"><span style="font-size: 10pt;">Also, if the above
attributes were present in ObjectA what would have been the best way to write
it in DSL using Drools 4.0</span></font></p>
<p style="margin-left: 1in;"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p style="margin-left: 1in;"><font face="Trebuchet MS" size="2"><span style="font-size: 10pt;">Thanks,</span></font></p>
<p style="margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
<p style="margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"> </span></font></p>
</div>
</div>
<p style="margin-right: 0in; margin-bottom: 12pt; margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
_______________________________________________<br>
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<p style="margin-left: 1in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
<br clear="all">
<br>
-- <br>
Edson Tirelli<br>
Software Engineer - JBoss Rules Core Developer<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" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">www.jboss.com</a>
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<p style="margin-right: 0in; margin-bottom: 12pt; margin-left: 0.5in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
_______________________________________________<br>
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</div>
<p style="margin-left: 0.5in;"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
<br clear="all">
<br>
-- <br>
Edson Tirelli<br>
Software Engineer - JBoss Rules Core Developer<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" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">www.jboss.com</a>
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</span></div></div>
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<br>_______________________________________________<br>rules-users mailing list<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br><a onclick="return top.js.OpenExtLink(window,event,this)" href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">
https://lists.jboss.org/mailman/listinfo/rules-users</a><br><br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> Software Engineer - JBoss Rules Core Developer<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>