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12 years, 2 months
UderFire
by Anton Nikulin
Hello
I'm interested in your new UderFire project. Please, could you give me
a brief description of its features, opportunities. I've downloaded
sources from https://github.com/droolsjbpm/uberfire, could you help me
how can i test it and make something like a simple example using it?
Thanks, Anton.
12 years, 2 months
java.lang.ClassCastException: java.lang.Boolean - Drools 5.4
by dxande6
I'm getting an exception - java.lang.ClassCastException: java.lang.Boolean -
in Drools 5.4 when I execute the following:
private void createAllFactors(StatefulKnowledgeSession ksession,
Map<String, Product> productsHashMap)
{
List<FactHandle> facts = new ArrayList<FactHandle>();
if (productsHashMap != null){
for (Map.Entry<String, Product> entry:
productsHashMap.entrySet())
{
facts.add(ksession.insert(entry.getValue()));
}
}
ksession.startProcess("Factors");
ksession.fireAllRules();
for(FactHandle fact : facts)
{
try
{
ksession.retract(fact);
}
catch (Exception e)
{
logger.error(e.getMessage());
}
}
}
I do not get this error when I run in Drools 5.0.1. Any help is greatly
appreciated.
Thank you in advance.
-Dean
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12 years, 3 months
Runtime Analysis and Auditing
by dme1
Hi,
I am looking for any tools available with Drools for runtime analysis and
auditing. I am specifically interested in
Runtime Analysis - Which rules are executed, how many time a rule was
called, time it took to execute the rule (min, max, average), etc. Basically
analysis that would help determine how the system is behaving and also help
with identification of performance bottlenecks etc.
Audit - Ability to persist rule execution information to a datastore.
Ability to query the rule execution results at a later time - specially
things like which rules were executed, parameters/data used when the rule
was executed, what was the outcome of the rule execution etc. We need this
information in case there is a Violation identified in an external audit, we
need data to identify what checks were done and the outcome of those checks
to ensure regulatory compliance.
I have not seen anything that comes with Drools (or Guvnor) that provides
this information, but am looking for any other tools out there that will
help me collect this data.
Thanks,
dme
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12 years, 3 months
Combining Drools Expert and Planner
by Phani Saripalli
Hi.
Is it possible to combine Drools expert and planner to solve NP problems (or
some kind of model checking).
For example, I have a model described as a .drl file
declare Project
x : int
end
And, then I have a constraint (or rule) - something like this -
rule " Rule on x"
agenda-group "Group 2"
dialect "mvel"
no-loop true
when
P : Project(P.x > 5 && P.x < 7)
then
System.out.println("Rule satisfied");
end
Is it possible to obtain a value propagation mechanism by combining with
Planner, by which I finally get a value for x as 6 ?
I am working on model checking for models that have various constraints, on
boolean, int, real, strings, container types and also on types that are
similar to C structs. There is hardly any reasoner/solver that does model
checking for constraints on such a varied types of datatypes.
I checked planner, but defining planning variables and stuff on score
generation seemed to me a bit new and confusing.
Thank you :)
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12 years, 3 months
Re: [rules-users] Classcast exception in Drools ant task
by Mutyala Suresh kumar
Hi All,
Can someone please help me solve this issue?
Thanks and Regards,
Suresh Kumar Mutyala
________________________________
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To: rules-users(a)lists.jboss.org
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Subject: rules-users Digest, Vol 70, Issue 65
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Today's Topics:
1. Planner Planning Entity difficulty comparator Vs difficulty
weight factory (Ricardo)
2. Examination drools-planner example (kostis)
3. Re: Examination drools-planner example (Geoffrey De Smet)
4. Re: Planner Planning Entity difficulty comparator Vs
difficulty weight factory (Geoffrey De Smet)
5. Re: Planner Planning Entity difficulty comparator Vs
difficulty weight factory (ge0ffrey)
6. Re: planning difficulty problem (Geoffrey De Smet)
7. Classcast exception in Drools ant task (Mutyala Suresh kumar)
----------------------------------------------------------------------
Message: 1
Date: Wed, 19 Sep 2012 16:49:39 -0700 (PDT)
From: Ricardo <sprabakkar(a)gmail.com>
Subject: [rules-users] Planner Planning Entity difficulty comparator
Vs difficulty weight factory
To: rules-users(a)lists.jboss.org
Message-ID: <1348098579210-4019858.post(a)n3.nabble.com>
Content-Type: text/plain; charset=us-ascii
when to use Planner Planning Entity difficulty comparator and difficulty
weight factory? is any guidelines?
-----
with kind regards,
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------------------------------
Message: 2
Date: Wed, 19 Sep 2012 23:06:22 -0700 (PDT)
From: kostis <epp687(a)gmail.com>
Subject: [rules-users] Examination drools-planner example
To: rules-users(a)lists.jboss.org
Message-ID: <1348121182201-4019859.post(a)n3.nabble.com>
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Hello,
Is there any guidance about the domain model of the examination example?
The class InstitutionalWeighting has some properties that I cannot undestand
the purpose of them
Thank you
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------------------------------
Message: 3
Date: Thu, 20 Sep 2012 09:19:05 +0200
From: Geoffrey De Smet <ge0ffrey.spam(a)gmail.com>
Subject: Re: [rules-users] Examination drools-planner example
To: Rules Users List <rules-users(a)lists.jboss.org>
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Message: 4
Date: Thu, 20 Sep 2012 09:23:07 +0200
From: Geoffrey De Smet <ge0ffrey.spam(a)gmail.com>
Subject: Re: [rules-users] Planner Planning Entity difficulty
comparator Vs difficulty weight factory
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID: <505AC45B.9080605(a)gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
[I locally answered this question last time already, but it looks like
my mail never reached the mailing list due to a local misconfiguration
at the time]
Op 20-09-12 01:49, Ricardo schreef:
> when to use Planner Planning Entity difficulty comparator and difficulty
> weight factory? is any guidelines?
Use a difficulty comparator if you can: it's the easy variant.
A difficulty weight factory is needed only if you need the entire
Solution (not just the entity) to calculate the difficulty of a given
entity.
In the examples, look for *DifficultyComparator and
*DifficultyWeightFactory.
>
>
>
> -----
> with kind regards,
>
> --
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> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
------------------------------
Message: 5
Date: Thu, 20 Sep 2012 00:23:56 -0700 (PDT)
From: ge0ffrey <ge0ffrey.spam(a)gmail.com>
Subject: Re: [rules-users] Planner Planning Entity difficulty
comparator Vs difficulty weight factory
To: rules-users(a)lists.jboss.org
Message-ID: <1348125836746-4019861.post(a)n3.nabble.com>
Content-Type: text/plain; charset=us-ascii
See
http://drools.46999.n3.nabble.com/Planner-Planning-Entity-difficulty-comp...
<http://drools.46999.n3.nabble.com/Planner-Planning-Entity-difficulty-comp...>
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------------------------------
Message: 6
Date: Thu, 20 Sep 2012 09:26:16 +0200
From: Geoffrey De Smet <ge0ffrey.spam(a)gmail.com>
Subject: Re: [rules-users] planning difficulty problem
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID: <505AC518.9030001(a)gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
[I locally answered this question last time already, but it looks like
my mail never reached the mailing list due to a local misconfiguration
at the time]
If it's in anything like the nurse rostering example, I would presume
the following domain:
- Planning entity: ShiftAssignment. There are 9 (3 shifts for 3 hospitals)
- Planning variable: ShiftAssignment.get/setDoctor()
- Planning values for that variable: 10 doctors
So Planner will put a doctor in each of those 9 ShiftAssignments and 1
doctor won't be assigned to any shift.
Actually, Planner might assign the same 2 doctor to 2 different
ShiftAssignments if none of the constraints are broken (such as "no 2
ShiftAssignements at the same time for the same doctor").
See nurse rostering example. Play around with it. Take a look at this
video about contentious planning with nurse rostering:
http://blog.athico.com/2012/08/continuous-planning-video.html
Mentally replace "nurse" with "doctor" and "department" with "hospital".
Op 20-09-12 01:46, Ricardo schreef:
> For example , I have 10 doctors planning for 3 hospitals in three shifts,
> each hospital take maximum limit of 3 doctors only, In this case I have one
> remaining doctor unassigned. My doubt is how planner handle this data? will
> it be rejected or consider in other cycle or overwrite the planner solution?
> please advise...
>
> thanks,
>
>
>
> -----
> with kind regards,
>
> --
> View this message in context: http://drools.46999.n3.nabble.com/planning-difficulty-problem-tp4019857.html
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------------------------------
Message: 7
Date: Thu, 20 Sep 2012 16:17:33 +0800 (SGT)
From: Mutyala Suresh kumar <sk_mutyala(a)yahoo.co.in>
Subject: [rules-users] Classcast exception in Drools ant task
To: "rules-users(a)lists.jboss.org" <rules-users(a)lists.jboss.org>
Message-ID:
<1348129053.80952.YahooMailNeo(a)web190805.mail.sg3.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi All,
I am trying to build a sample drools project using ant and getting the below error. I am using "drools-distribution-5.4.0.Final" release jars in my project. Unable to get this issue resolved as not sure what really went wrong.
RuleBaseTask failed: Unable to load dialect 'org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration:mvel:org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration'
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.execute(DroolsCompilerAntTask.java:159)
? ? ? ? at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
? ? ? ? at java.lang.reflect.Method.invoke(Method.java:597)
? ? ? ? at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
? ? ? ? at org.apache.tools.ant.Task.perform(Task.java:348)
? ? ? ? at org.apache.tools.ant.Target.execute(Target.java:357)
? ? ? ? at org.apache.tools.ant.Target.performTasks(Target.java:385)
? ? ? ? at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
? ? ? ? at org.apache.tools.ant.Project.executeTarget(Project.java:1307)
? ? ? ? at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
? ? ? ? at org.eclipse.ant.internal.launching.remote.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:33)
? ? ? ? at org.apache.tools.ant.Project.executeTargets(Project.java:1191)
? ? ? ? at org.eclipse.ant.internal.launching.remote.InternalAntRunner.run(InternalAntRunner.java:423)
? ? ? ? at org.eclipse.ant.internal.launching.remote.InternalAntRunner.main(InternalAntRunner.java:137)
Caused by: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration:mvel:org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration'
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:313)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:298)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:187)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:140)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.getPackageBuilder(DroolsCompilerAntTask.java:556)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.createWithPackageBuilder(DroolsCompilerAntTask.java:266)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.execute(DroolsCompilerAntTask.java:156)
? ? ? ? at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
? ? ? ? at java.lang.reflect.Method.invoke(Method.java:597)
? ? ? ? at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
? ? ? ? at org.apache.tools.ant.Task.perform(Task.java:348)
? ? ? ? at org.apache.tools.ant.Target.execute(Target.java:357)
? ? ? ? at org.apache.tools.ant.Target.performTasks(Target.java:385)
? ? ? ? at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
? ? ? ? at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
? ? ? ? at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
? ? ? ? at org.eclipse.ant.internal.launching.remote.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
? ? ? ? at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
? ? ? ? ... 2 more
Caused by: java.lang.ClassCastException: org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:308)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:298)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:189)
? ? ? ? at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:142)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.getPackageBuilder(DroolsCompilerAntTask.java:558)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.createWithPackageBuilder(DroolsCompilerAntTask.java:266)
? ? ? ? at org.drools.contrib.DroolsCompilerAntTask.execute(DroolsCompilerAntTask.java:156)
? ? ? ? at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
? ? ? ? at java.lang.reflect.Method.invoke(Method.java:597)
? ? ? ? at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
? ? ? ? at org.apache.tools.ant.Task.perform(Task.java:348)
? ? ? ? at org.apache.tools.ant.Target.execute(Target.java:357)
? ? ? ? at org.apache.tools.ant.Target.performTasks(Target.java:385)
? ? ? ? at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
? ? ? ? at org.apache.tools.ant.Project.executeTarget(Project.java:1307)
? ? ? ? at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
? ? ? ? at org.eclipse.ant.internal.launching.remote.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:33)
? ? ? ? at org.apache.tools.ant.Project.executeTargets(Project.java:1191)
? ? ? ? ... 2 more
Below is the list of jars added to my classpath,
--------------------------------------------
antlr-runtime.jar
drools-ant-5.4.0.Final.jar
drools-compiler-5.4.0.Final.jar
drools-core-5.4.0.Final.jar
drools-decisiontables-5.4.0.Final.jar
drools-jsr94-5.4.0.Final.jar
drools-persistence-jpa-5.4.0.Final.jar
drools-templates-5.4.0.Final.jar
drools-verifier-5.4.0.Final.jar
droolsjbpm-ide-common-5.4.0.Final.jar
jbpm-bpmn2.jar
jbpm-flow-builder.jar
jbpm-flow.jar
jsr94.jar
junit.jar
jxl.jar
knowledge-api.jar
knowledge-internal-api.jar
mvel2.jar
org.eclipse.jdt.core_3.6.1.v_A68_R36x.jar
xmlpull.jar
xpp3_min.jar
xstream.jar
build.xml
---------
<project name="DroolsProto" default="dist" basedir=".">
? ? ? ? <property name="build.src" location="src"/>
? ? ? ? <property name="build.target" location="target"/>
? ? ? ? <property name="build.dist" ?location="dist"/>
? ? ? ? <path id="build.lib.path">
? ? ? ? ? ? ? ? <fileset dir="${build.src}/lib">
? ? ? ? ? ? ? ? ? ? ? ? <include name="**/*.jar"/>
? ? ? ? ? ? ? ? </fileset>
? ? ? ? </path>
? ? ? ?
? ? ? ? <taskdef name="droolscompiler" classname="org.drools.contrib.DroolsCompilerAntTask">
? ? ? ? ? ? ? ? <classpath refid="build.lib.path"/>
? ? ? ? </taskdef>
? ? ? ? <target name="clean">
? ? ? ? ? ? ? ? <delete dir="${build.target}"/>
? ? ? ? ? ? ? ? <delete dir="${build.dist}"/>
? ? ? ? </target>
? ? ? ? <target name="init">
? ? ? ? ? ? ? ? <tstamp/>
? ? ? ? ? ? ? ? <mkdir dir="${build.target}"/>
? ? ? ? ? ? ? ? <mkdir dir="${build.dist}"/>
? ? ? ? ? ? ? ? <record name="build.log" loglevel="verbose" append="false"/>
? ? ? ? </target>
? ? ? ? <target name="compile" depends="init">
? ? ? ? ? ? ? ? <mkdir dir="${build.target}/classes"/>
? ? ? ? ? ? ? ? <javac srcdir="${build.src}/main/java" destdir="${build.target}/classes">
? ? ? ? ? ? ? ? ? ? ? ? <classpath refid="build.lib.path"/>
? ? ? ? ? ? ? ? ? ? ? ? <include name="**/*.java"/>
? ? ? ? ? ? ? ? </javac>
? ? ? ? </target>
? ? ? ? <target name="compile-rules">
? ? ? ? ? ? ? ? <property name="pathelements" refid="build.lib.path"/>
? ? ? ? ? ? ? ? <droolscompiler srcDir="${build.src}/main/rules"
? ? ? ? ? ? ? ? ? ? ? ? toFile="${build.target}/classes/drl.pkg"
? ? ? ? ? ? ? ? ? ? ? ? classpathref="build.lib.path">
? ? ? ? ? ? ? ? ? ? ? ? <include name="*.drl" />
? ? ? ? ? ? ? ? </droolscompiler>
? ? ? ? </target>
? ? ? ?
? ? ? ? <target name="bundle-resources" depends="compile-rules">
? ? ? ? ? ? ? ? <copy todir="${build.target}/classes">
? ? ? ? ? ? ? ? ? ? ? ? <fileset dir="${build.src}/main/resources"/>
? ? ? ? ? ? ? ? </copy>
? ? ? ? </target>
? ? ? ?
? ? ? ? <target name="dist" depends="compile,bundle-resources"/>
</project>
Thanks in advance,
Suresh
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12 years, 3 months
Drools Planner - Vehicle Routing, but a little different
by jimirn
Hi,
I hope someone can tell me what I am doing wrong.
I am trying to kind of do the same as the Vehicle Routing example.
My domain is:
- Consultant (the person that will drive to a DeliveryPlace and spent some
time there, each Consultant has a max total time available)
- DeliveryPlace (the place where a Consultant will drive to and spent some
time making a delivery)
- Location (a Consultant has a home and a DeliveryPlace has a location)
So basicly there could be X Consultants who has to make deliveries to Y
DeliveryPlace's. And I want to figure out the best way of doing that.
Right now my code does not find any doable moves:
16:51:57.654 [main] INFO o.d.p.c.c.g.DefaultGreedyFitSolverPhase - Phase
constructionHeuristic ended: step total (0), time spend (86), best score
(0hard/0soft).
16:51:57.658 [main] WARN o.d.p.c.l.DefaultLocalSearchSolverPhase -
Cancelled step index (0), time spend (89): there is no doable move.
Terminating phase early.
16:51:57.658 [main] INFO o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase
localSearch ended: step total (0), time spend (90), best score
(0hard/0soft).
Here is the source code, modified from the Vehicle Routing example:
src.tar.gz <http://drools.46999.n3.nabble.com/file/n4019907/src.tar.gz>
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12 years, 3 months
Guvnor encoding issue
by Fernando Penagos
Hi everyone,
I'm working whit Drools 5.4.0 final and the last version of Guvnor (5.40
final). I'm using eclipse as IDE.
The problem is whit this kind of actions that i have to use in my rules:
$asegurado.agregarExamenDeAsegurabilidad( "TRANSCRIPCION COPIA DEL
RESULTADO DE LA ULTIMA MAMOGRAFIA (NO MAYOR A UN A*Ñ*O)" );
In this action the result is an insertion on an Array but if you observe
there is a 'Ñ' and when i run the test i get something like:
TRANSCRIPCION COPIA DEL RESULTADO DE LA ULTIMA CITOLOGIA (NO MAYOR A UN *
AÑO*)
So the rule is never true.
I've tried whit some advises in the forums like insert
"-Dfile.encoding=ISO-8859-1" (i try with UTF-8 and Cp1252 too) on the
arguments of the server i'm using to deploy guvnor but the problem remains
plus other like try to save the file with an specific encode.
I already try to adding and "encoding" parameter to the "kagent" like this:
String encoding = "UTF-8";
kagent.applyChangeSet( ResourceFactory.newClassPathResource(
"changeset.xml"),encoding);
But nothing seems to work. What am I doing wrong??
I hope you can help me and thank you all.
--
Yuliban Fernando Penagos Gómez
Ingeniería de Sistemas
Universidad Distrital Francisco José de Caldas
12 years, 3 months
