<br><font size=2 face="sans-serif">The documentation available for Guvnor
does not contain any examples .Is there any other documentation available
so that we can understand how to create functions,dsl and other features
available in Guvnor. </font>
<br><font size=2 face="sans-serif"><br>
Nilima<br>
____________________________________________<br>
Experience certainty. IT Services<br>
Business Solutions<br>
Outsourcing<br>
____________________________________________</font>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">From:</font>
<td><font size=1 face="sans-serif">rules-users-request@lists.jboss.org</font>
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<td><font size=1 color=#5f5f5f face="sans-serif">To:</font>
<td><font size=1 face="sans-serif">rules-users@lists.jboss.org</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Date:</font>
<td><font size=1 face="sans-serif">03/11/2010 01:19 AM</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Subject:</font>
<td><font size=1 face="sans-serif">rules-users Digest, Vol 40, Issue 41</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Sent by:</font>
<td><font size=1 face="sans-serif">rules-users-bounces@lists.jboss.org</font></table>
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Today's Topics:<br>
<br>
1. A general question about this mailing list (Nathan Bell)<br>
2. Re: A general question about this mailing list (Geoffrey De
Smet)<br>
3. Re: Problems count and sumarizing data in facts (Yamil Bracho)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Wed, 10 Mar 2010 11:31:00 -0600<br>
From: "Nathan Bell" <Nathan.Bell@pharmacyonesource.com><br>
Subject: [rules-users] A general question about this mailing list<br>
To: <rules-users@lists.jboss.org><br>
Message-ID: <608FA11CE83EC54C98A8E4715C0EED571966DF@rphpost.rph.int><br>
Content-Type: text/plain; charset="us-ascii"<br>
<br>
I'm fairly new to this list, but I have already seen a great deal of<br>
helpful information being shared. The problem is that a collection of<br>
emails makes a poor knowledge base. Has there ever been an attempt to<br>
set up a forum/wiki/knowledgebase for the Drools community? I would be<br>
willing to help with setting that up if it is something the community<br>
wants. I'm guessing that this has been talked about before, so I want to<br>
check-in with the community and ask why it does not exist already. Is<br>
there some barrier that I am not aware of that would make a different<br>
format undesirable?<br>
<br>
<br>
<br>
Thank You,<br>
<br>
<br>
<br>
Nathan Bell<br>
<br>
<br>
<br>
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<br>
------------------------------<br>
<br>
Message: 2<br>
Date: Wed, 10 Mar 2010 19:25:39 +0100<br>
From: Geoffrey De Smet <ge0ffrey.spam@gmail.com><br>
Subject: Re: [rules-users] A general question about this mailing list<br>
To: rules-users@lists.jboss.org<br>
Message-ID: <hn8o73$b59$1@dough.gmane.org><br>
Content-Type: text/plain; charset=windows-1252; format=flowed<br>
<br>
I personally don't believe much in a wiki (there is a drools wiki btw),
<br>
because it gets stale fast.<br>
I believe much more in the reference manual, which is checked in in <br>
Subversion.<br>
<br>
In the Drools Planner manual I 've already added "meta" information,
<br>
such as where jira is and how to build from source etc etc.<br>
<br>
</font></tt><a href="https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/docs/drools-planner/html_single/index.html"><tt><font size=2>https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/docs/drools-planner/html_single/index.html</font></tt></a><tt><font size=2><br>
<br>
With kind regards,<br>
Geoffrey De Smet<br>
<br>
<br>
Nathan Bell schreef:<br>
> I?m fairly new to this list, but I have already seen a great deal
of <br>
> helpful information being shared. The problem is that a collection
of <br>
> emails makes a poor knowledge base. Has there ever been an attempt
to <br>
> set up a forum/wiki/knowledgebase for the Drools community? I would
be <br>
> willing to help with setting that up if it is something the community
<br>
> wants. I?m guessing that this has been talked about before, so I want
to <br>
> check-in with the community and ask why it does not exist already.
Is <br>
> there some barrier that I am not aware of that would make a different
<br>
> format undesirable?<br>
> <br>
> <br>
> <br>
> Thank You,<br>
> <br>
> <br>
> <br>
> Nathan Bell<br>
> <br>
> <br>
> <br>
> <br>
> ------------------------------------------------------------------------<br>
> <br>
> _______________________________________________<br>
> rules-users mailing list<br>
> rules-users@lists.jboss.org<br>
> </font></tt><a href="https://lists.jboss.org/mailman/listinfo/rules-users"><tt><font size=2>https://lists.jboss.org/mailman/listinfo/rules-users</font></tt></a><tt><font size=2><br>
<br>
<br>
<br>
------------------------------<br>
<br>
Message: 3<br>
Date: Wed, 10 Mar 2010 19:38:09 +0000<br>
From: Yamil Bracho <yamilbracho@hotmail.com><br>
Subject: Re: [rules-users] Problems count and sumarizing data in facts<br>
To: Drools UserList <rules-users@lists.jboss.org><br>
Message-ID: <SNT130-w419F987761CE0A1C882981AA330@phx.gbl><br>
Content-Type: text/plain; charset="windows-1252"<br>
<br>
<br>
Thanks Thomas.<br>
I rewrote the rule as:<br>
rule "Sumatoria de lineas detalle vs Header" salience 10
when Number( $total : doubleValue) from accumulate(
Map(this["_TYPE_"]
== "D", $monto
: eval(Double.parseDouble(this.get("MONTO")))),
sum($monto)) $map
: Map(this["_TYPE_"] == "H",
this["MT_TOTAL"] != $total)
then System.out.println("TOTAL=" + $total);
listBitacora.add(new BitacoraDTO($map.get("_NUMLINE_"),
"Error
en el Detalle: El n?mero del lineas de detalle (" + $total +
")
no empareja con lo del encabezado (" + $map.get("NU_REGISTROS")
+ ")")); end <br>
<br>
but I am getting errors in the parseDouble:<br>
[828,29]: [ERR 101] Line 828:29 no viable alternative at input 'Double'
in rule "Sumatoria de lineas detalle vs Header" in pattern Map[828,67]:
[ERR 102] Line 828:67 mismatched input ')' expecting 'then' in rule "Sumatoria
de lineas detalle vs Header"<br>
Any hint...<br>
<br>
<br>
From: TSwindells@nds.com<br>
To: rules-users@lists.jboss.org<br>
Date: Wed, 10 Mar 2010 15:13:49 +0000<br>
Subject: Re: [rules-users] Problems count and sumarizing data in facts<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
To convert from string to double you have to full back to java:<br>
Something along the lines of<br>
$monto : eval(Double.parseDouble(this.get(?MONTO?)))<br>
<br>
However even with doing this your rules are unlikely to work consistently
as you expect. Using equality tests on doubles is fundamentally unsafe
as doubles<br>
aren?t represented exactly and may not exactly match the value you think
you have. Force instance 0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1
!= 1.0 (dependent on floating point chipset etc). If you are dealing
with currency then it is far simpler and safer<br>
to just operate with integers and divide by 100 when you want to display
the value. The other alternative is to use BigDecimal which will
store an exact representation but will probably require more work with
getting your accumulate function correct. Your<br>
last option is to use Math.abs(left-right) < 0.1 to see if they are
approximately equal. More details can be found here<br>
</font></tt><a href=http://firstclassthoughts.co.uk/java/traps/java_double_traps.html><tt><font size=2>http://firstclassthoughts.co.uk/java/traps/java_double_traps.html</font></tt></a><tt><font size=2><br>
<br>
Thomas<br>
<br>
<br>
<br>
<br>
<br>
From: rules-users-bounces@lists.jboss.org [</font></tt><a href="mailto:rules-users-bounces@lists.jboss.org"><tt><font size=2>mailto:rules-users-bounces@lists.jboss.org</font></tt></a><tt><font size=2>]<br>
On Behalf Of Yamil Bracho<br>
<br>
Sent: 10 March 2010 14:27<br>
<br>
To: Drools UserList<br>
<br>
Subject: Re: [rules-users] Problems count and sumarizing data in facts<br>
<br>
<br>
<br>
I solved the counting of detail lines this way:<br>
<br>
<br>
<br>
<br>
<br>
rule "Contador de lineas detalle vs Header"<br>
<br>
<br>
salience 10<br>
<br>
<br>
when<br>
<br>
<br>
Number($count : intValue) from accumulate(<br>
<br>
<br>
$mp : Map(this["_TYPE_"]
== "D"), count($mp))<br>
<br>
<br>
$map : Map(this["_TYPE_"] == "H",<br>
<br>
<br>
this["NU_REGISTROS"]
!= $count)<br>
<br>
<br>
then<br>
<br>
<br>
System.out.println("NumRecs=" + $count);<br>
<br>
<br>
listBitacora.add(new BitacoraDTO($map.get("_NUMLINE_"),<br>
<br>
<br>
"El
n?mero del lineas de detalle (" + $count +<br>
<br>
<br>
")
no empareja con lo del encabezado (" + $map.get("NU_REGISTROS")
+ ")"));<br>
<br>
<br>
end<br>
<br>
<br>
<br>
<br>
<br>
However, I still got problem with summarize the amounts. I wrote<br>
<br>
<br>
<br>
<br>
<br>
<br>
rule "Sumatoria de lineas detalle vs Header"<br>
<br>
<br>
salience 10<br>
<br>
<br>
when<br>
<br>
<br>
Number( $total : doubleValue) from accumulate(<br>
<br>
<br>
Map(this["_TYPE_"]
== "D",<br>
<br>
<br>
$monto : ((Number) this["MONTO"]),<br>
<br>
<br>
sum($monto)))<br>
<br>
<br>
$map : Map(this["_TYPE_"] == "H",<br>
<br>
<br>
this["MT_TOTAL"]
!= $total)<br>
<br>
<br>
then<br>
<br>
<br>
System.out.println("TOTAL=" + $total);<br>
<br>
<br>
listBitacora.add(new BitacoraDTO($map.get("_NUMLINE_"),<br>
<br>
<br>
"Error
en el Detalle: El n?mero del lineas de detalle (" + $total +<br>
<br>
<br>
")
no empareja con lo del encabezado (" + $map.get("NU_REGISTROS")
+ ")"));<br>
<br>
<br>
end<br>
<br>
<br>
<br>
<br>
<br>
And i am getting mismatched input" so my question is how to
convert a string to double in this line "$monto : ((Number) this["MONTO"]),"
?<br>
<br>
<br>
<br>
<br>
<br>
TIA<br>
<br>
<br>
<br>
<br>
<br>
Yamil<br>
<br>
<br>
<br>
<br>
<br>
<br>
From: yamilbracho@hotmail.com<br>
<br>
To: rules-users@lists.jboss.org<br>
<br>
Date: Tue, 9 Mar 2010 17:41:43 +0000<br>
<br>
Subject: [rules-users] Problems count and sumarizing data in facts<br>
<br>
<br>
<br>
Hi, I have two kind of facts in a map.<br>
<br>
<br>
There is a field called _TYPE_ (H)eader, D)etail)<br>
<br>
<br>
In the Header line I have two String fields, one for the number of details
lines ("NU_REGISTROS") and another for the sum of the detail
line ("MT_TOTAL")<br>
<br>
<br>
In the detail lines I only have a String field called "MONTO"
<br>
<br>
<br>
<br>
<br>
<br>
I would like to build two rules. One to check the count of detail lines
versus the field in the header line so I wrote :<br>
<br>
<br>
<br>
<br>
<br>
rule "Contador de lineas detalle vs Header"<br>
<br>
<br>
salience 10<br>
<br>
<br>
when<br>
<br>
<br>
$numRecs : Number()<br>
<br>
<br>
from accumulate(Map(this["_TYPE_"]
== "D", $d : this["_NUMLINE_"]), count($d))<br>
<br>
<br>
$map : Map(this["_TYPE_"] == "H",<br>
<br>
<br>
this["NU_REGISTROS"]
!= $numRecs)<br>
<br>
<br>
then<br>
<br>
<br>
System.out.println("NumRecs=" + $numRecs);<br>
<br>
<br>
listBitacora.add(new BitacoraDTO($map.get("_NUMLINE_"),<br>
<br>
<br>
"Error
en el Detalle: El n?mero del lineas de detalle (" + $total +<br>
<br>
<br>
")
no empareja con lo del encabezado (" + $map.get("NU_REGISTROS")
+ ")"));<br>
<br>
<br>
end<br>
<br>
<br>
<br>
<br>
<br>
However I always got "NumRecs=1" when i print out the value
of $numRecs but I am absolute sure there is two details lines...<br>
<br>
<br>
<br>
<br>
<br>
Second when i try to sumarize the total field in the details line i got
(MONTO in the detail line is a string):<br>
<br>
<br>
<br>
<br>
<br>
rule "Sumatoria de lineas detalle vs Header"<br>
<br>
<br>
salience 10<br>
<br>
<br>
when<br>
<br>
<br>
$total : Number()<br>
<br>
<br>
from accumulate(Map(this["_TYPE_"]
== "D",<br>
<br>
<br>
$monto : this["MONTO"]),<br>
<br>
<br>
sum(eval(Double.valueOf((String)
$monto ))))<br>
<br>
<br>
$map : Map(this["_TYPE_"] == "H",<br>
<br>
<br>
this["MT_TOTAL"]
!= $total)<br>
<br>
<br>
then<br>
<br>
<br>
System.out.println("TOTAL=" + $total);<br>
<br>
<br>
listBitacora.add(new BitacoraDTO($map.get("_NUMLINE_"),<br>
<br>
<br>
"Error
en el Detalle: El n?mero del lineas de detalle (" + $total +<br>
<br>
<br>
")
no empareja con lo del encabezado (" + $map.get("NU_REGISTROS")
+ ")"));<br>
<br>
<br>
end<br>
<br>
<br>
<br>
<br>
<br>
but I got<br>
<br>
<br>
Rule Compilation error : [Rule name='Sumatoria de lineas detalle vs Header']<br>
<br>
<br>
rule/Rule_Sumatoria_de_lineas_detalle_vs_Header_0.java
(9:1313) : The method eval(Double) is undefined for the type Rule_Sumatoria_de_lineas_detalle_vs_Header_0<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
Any help in those tow problems<br>
<br>
<br>
<br>
<br>
<br>
TIA<br>
<br>
<br>
<br>
<br>
<br>
Yamil<br>
<br>
<br>
<br>
<br>
<br>
<br>
Actual?zate gratis al nuevo Internet Explorer 8 y<br>
navega m?s seguro<br>
<br>
<br>
<br>
<br>
<br>
Compartir tus mejores FOTOS es f?cil en Messenger<br>
<br>
?DESCUBRE c?mo!<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
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