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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@gmail.com>
Subject: [rules-users] Planner Planning Entity difficulty comparator
    Vs difficulty weight factory
To: rules-users@lists.jboss.org
Message-ID: <1348098579210-4019858.post@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@gmail.com>
Subject: [rules-users] Examination drools-planner example
To: rules-users@lists.jboss.org
Message-ID: <1348121182201-4019859.post@n3.nabble.com>
Content-Type: text/plain; charset=us-ascii

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@gmail.com>
Subject: Re: [rules-users] Examination drools-planner example
To: Rules Users List <rules-users@lists.jboss.org>
Message-ID: <505AC369.8040004@gmail.com>
Content-Type: text/plain; charset="us-ascii"

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Message: 4
Date: Thu, 20 Sep 2012 09:23:07 +0200
From: Geoffrey De Smet <ge0ffrey.spam@gmail.com>
Subject: Re: [rules-users] Planner Planning Entity difficulty
    comparator Vs difficulty weight factory
To: Rules Users List <rules-users@lists.jboss.org>
Message-ID: <505AC45B.9080605@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,
>
> --
> View this message in context: http://drools.46999.n3.nabble.com/Planner-Planning-Entity-difficulty-comparator-Vs-difficulty-weight-factory-tp4019858.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
> _______________________________________________
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> rules-users@lists.jboss.org
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------------------------------

Message: 5
Date: Thu, 20 Sep 2012 00:23:56 -0700 (PDT)
From: ge0ffrey <ge0ffrey.spam@gmail.com>
Subject: Re: [rules-users] Planner Planning Entity difficulty
    comparator Vs difficulty weight factory
To: rules-users@lists.jboss.org
Message-ID: <1348125836746-4019861.post@n3.nabble.com>
Content-Type: text/plain; charset=us-ascii

See
http://drools.46999.n3.nabble.com/Planner-Planning-Entity-difficulty-comparator-Vs-difficulty-weight-factory-tp4019858.html
<http://drools.46999.n3.nabble.com/Planner-Planning-Entity-difficulty-comparator-Vs-difficulty-weight-factory-tp4019858.html> 



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------------------------------

Message: 6
Date: Thu, 20 Sep 2012 09:26:16 +0200
From: Geoffrey De Smet <ge0ffrey.spam@gmail.com>
Subject: Re: [rules-users] planning difficulty problem
To: Rules Users List <rules-users@lists.jboss.org>
Message-ID: <505AC518.9030001@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
> Sent from the Drools: User forum mailing list archive at Nabble.com.
> _______________________________________________
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>



------------------------------

Message: 7
Date: Thu, 20 Sep 2012 16:17:33 +0800 (SGT)
From: Mutyala Suresh kumar <sk_mutyala@yahoo.co.in>
Subject: [rules-users] Classcast exception in Drools ant task
To: "rules-users@lists.jboss.org" <rules-users@lists.jboss.org>
Message-ID:
    <1348129053.80952.YahooMailNeo@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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