You mean like nabble.com? http://n3.nabble.com/Re-rules-users-Digest-Vol-40-Issue-41-td440433.html#a440433
--- On Wed, 3/10/10, Nathan Bell <nathan.b...@pharmacyonesource.com> wrote: > From: Nathan Bell <nathan.b...@pharmacyonesource.com> > Subject: Re: [rules-users] rules-users Digest, Vol 40, Issue 41 > To: rules-users@lists.jboss.org > Date: Wednesday, March 10, 2010, 1:50 PM > True. I probably should not have > included wiki in that list. What I am > thinking of is more along the lines of a forum (think > stackoverflow.com) > where conversations are recorded, can be commented on, > voted on, rated, > etc. Some mechanism where conversations like the ones that > occur in this > mailing list are persisted and become searchable. > > -Nathan > > > Date: Wed, 10 Mar 2010 19:25:39 +0100 > From: Geoffrey De Smet <ge0ffrey.s...@gmail.com> > Subject: Re: [rules-users] A general question about this > mailing list > To: rules-users@lists.jboss.org > Message-ID: <hn8o73$b5...@dough.gmane.org> > Content-Type: text/plain; charset=windows-1252; > format=flowed > > I personally don't believe much in a wiki (there is a > drools wiki btw), > because it gets stale fast. > I believe much more in the reference manual, which is > checked in in > Subversion. > > In the Drools Planner manual I 've already added "meta" > information, > such as where jira is and how to build from source etc > etc. > > https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/ > trunk/target/docs/drools-planner/html_single/index.html > > With kind regards, > Geoffrey De Smet > > > Nathan Bell schreef: > > I?m fairly new to this list, but I have already seen a > great deal of > > helpful information being shared. The problem is that > a collection of > > emails makes a poor knowledge base. Has there ever > been an attempt to > > set up a forum/wiki/knowledgebase for the Drools > community? I would be > > > willing to help with setting that up if it is > something the community > > wants. I?m guessing that this has been talked about > before, so I want > to > > check-in with the community and ask why it does not > exist already. Is > > there some barrier that I am not aware of that would > make a different > > format undesirable? > > > > > > > > Thank You, > > > > > > > > Nathan Bell > > > > > > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > rules-users mailing list > > rules-users@lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > ------------------------------ > > Message: 3 > Date: Wed, 10 Mar 2010 19:38:09 +0000 > From: Yamil Bracho <yamilbra...@hotmail.com> > Subject: Re: [rules-users] Problems count and sumarizing > data in facts > To: Drools UserList <rules-users@lists.jboss.org> > Message-ID: <snt130-w419f987761ce0a1c882981aa...@phx.gbl> > Content-Type: text/plain; charset="windows-1252" > > > Thanks Thomas. > I rewrote the rule as: > 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 > > but I am getting errors in the parseDouble: > [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" > Any hint... > > > From: tswinde...@nds.com > To: rules-users@lists.jboss.org > Date: Wed, 10 Mar 2010 15:13:49 +0000 > Subject: Re: [rules-users] Problems count and sumarizing > data in facts > > > > > > > > > > > > > > To convert from string to double you have to full back to > java: > Something along the lines of > $monto : eval(Double.parseDouble(this.get(?MONTO?))) > > However even with doing this your rules are unlikely to > work > consistently as you expect. Using equality tests on > doubles is > fundamentally unsafe as doubles > aren?t represented exactly and may not exactly match the > value you > think you have. Force instance > 0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1 > != 1.0 (dependent on floating point chipset etc). If > you are dealing > with currency then it is far simpler and safer > to just operate with integers and divide by 100 when you > want to > display the value. The other alternative is to use > BigDecimal which > will store an exact representation but will probably > require more work > with getting your accumulate function correct. Your > last option is to use Math.abs(left-right) < 0.1 to see > if they are > approximately equal. More details can be found here > http://firstclassthoughts.co.uk/java/traps/java_double_traps.html > > Thomas > > > > > > From: rules-users-boun...@lists.jboss.org > [mailto:rules-users-boun...@lists.jboss.org] > On Behalf Of Yamil Bracho > > Sent: 10 March 2010 14:27 > > To: Drools UserList > > Subject: Re: [rules-users] Problems count and sumarizing > data in facts > > > > I solved the counting of detail lines this way: > > > > > > rule "Contador de lineas detalle vs Header" > > > salience 10 > > > when > > > Number($count : intValue) > from accumulate( > > > $mp : > Map(this["_TYPE_"] == "D"), count($mp)) > > > $map : Map(this["_TYPE_"] > == "H", > > > > this["NU_REGISTROS"] != $count) > > > then > > > System.out.println("NumRecs=" + $count); > > > listBitacora.add(new > BitacoraDTO($map.get("_NUMLINE_"), > > > > > "El n?mero del lineas de > detalle (" + $count + > > > > > ") no empareja con lo > del > encabezado (" + $map.get("NU_REGISTROS") + ")")); > > > end > > > > > > However, I still got problem with summarize the amounts. I > wrote > > > > > > > rule "Sumatoria de lineas detalle vs Header" > > > salience 10 > > > when > > > Number( $total : > doubleValue) from accumulate( > > > > Map(this["_TYPE_"] == "D", > > > > $monto : ((Number) this["MONTO"]), > > > > sum($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 (" + $map.get("NU_REGISTROS") + ")")); > > > end > > > > > > And i am getting mismatched input" so my question is > how to convert a > string to double in this line "$monto : ((Number) > this["MONTO"])," ? > > > > > > TIA > > > > > > Yamil > > > > > > > From: yamilbra...@hotmail.com > > To: rules-users@lists.jboss.org > > Date: Tue, 9 Mar 2010 17:41:43 +0000 > > Subject: [rules-users] Problems count and sumarizing data > in facts > > > > Hi, I have two kind of facts in a map. > > > There is a field called _TYPE_ (H)eader, D)etail) > > > 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") > > > In the detail lines I only have a String field called > "MONTO" > > > > > > 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 : > > > > > > rule "Contador de lineas detalle vs Header" > > > salience 10 > > > when > > > $numRecs : Number() > > > > from accumulate(Map(this["_TYPE_"] == "D", $d : > this["_NUMLINE_"]), count($d)) > > > $map : Map(this["_TYPE_"] > == "H", > > > > this["NU_REGISTROS"] != $numRecs) > > > then > > > System.out.println("NumRecs=" + $numRecs); > > > listBitacora.add(new > BitacoraDTO($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 > > > > > > However I always got "NumRecs=1" when i print out the > value of $numRecs > but I am absolute sure there is two details lines... > > > > > > Second when i try to sumarize the total field in the > details line i got > (MONTO in the detail line is a string): > > > > > > rule "Sumatoria de lineas detalle vs Header" > > > salience 10 > > > when > > > $total : Number() > > > > from accumulate(Map(this["_TYPE_"] == "D", > > > > > $monto : this["MONTO"]), > > > > > sum(eval(Double.valueOf((String) $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 > > > > > > but I got > > > Rule Compilation error : [Rule name='Sumatoria de lineas > detalle vs > Header'] > > > > 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 > > > > > > > > > > > > Any help in those tow problems > > > > > > TIA > > > > > > Yamil > > > > > > > Actual?zate gratis al nuevo Internet Explorer 8 y > navega m?s seguro > > > > > > Compartir tus mejores FOTOS es f?cil en Messenger > > ?DESCUBRE c?mo! > > > > > > > > ************************************************************************ > ************** > > This message is confidential and intended only for the > addressee. 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