[rules-users] Collect and hibernate
richarda
richard.ambridge at gmail.com
Thu Oct 29 11:40:07 EDT 2009
Ok, I have found if I run in:
conf.setOption( EventProcessingOption.CLOUD );
it works..
but in
conf.setOption( EventProcessingOption.STREAM );
i get Null for the object
any idea why?
richarda wrote:
>
> Thanks for the continued help... but
>
> ---
> ArrayList<MessageAsEvent> a=new ArrayList<MessageAsEvent>();
> MessageAsEvent a1=new MessageAsEvent(); a1.setSerial("serial123");
> a1.setUuid("mesC:7"); a1.setId(888); a.add(a1);
> MessageAsEvent a2=new MessageAsEvent(); a2.setSerial("serial123");
> a2.setUuid("mesC:7"); a2.setId(889);a.add(a2);
>
> ksession.setGlobal("hibernateSession", hibernateSession);
> ksession.setGlobal("data", a);
>
> ----
>
> global java.util.ArrayList data;
>
> rule "Repeating as signature"
> when
> $m : MessageAsEvent(uuid=="mesC:7")
> $others : MessageAsEvent(uuid=="mesC:7", id!=$m.id)
> from data
> then
> System.out.println("++++++++++++Gathering in signatures m="+$m+"
> data="+$others);
> insert($others);
> end
>
> ----
>
> and I still get;
> Audit:-
>
> <org.drools.audit.event.ActivationLogEvent>
> <type>4</type>
> <activationId>Repeating as signature [15, 14]</activationId>
> <rule>Repeating as signature</rule>
> <declarations>$others=MessageAsEvent:[888] uuid=mesC:7 serial=serial123
> count=0(15); $m=MessageAsEvent:[254] uuid=mesC:7 serial=serial123
> count=7(14)</declarations>
> <ruleFlowGroup>Signature</ruleFlowGroup>
> </org.drools.audit.event.ActivationLogEvent>
> <org.drools.audit.event.ActivationLogEvent>
> <type>4</type>
> <activationId>Repeating as signature [16, 14]</activationId>
> <rule>Repeating as signature</rule>
> <declarations>$others=MessageAsEvent:[889] uuid=mesC:7 serial=serial123
> count=0(16); $m=MessageAsEvent:[254] uuid=mesC:7 serial=serial123
> count=7(14)</declarations>
> <ruleFlowGroup>Signature</ruleFlowGroup>
> </org.drools.audit.event.ActivationLogEvent>
>
> Console:-
> ++++++++++++Gathering in signatures m=MessageAsEvent:[254] uuid=mesC:7
> serial=serial123 count=7 data=null
> ++++++++++++Gathering in signatures m=MessageAsEvent:[254] uuid=mesC:7
> serial=serial123 count=7 data=null
>
> with data=null being shown
>
>
>
> Edson Tirelli-4 wrote:
>>
>> You must be having a problem with the hibernate query then. Just as a
>> test, try replacing the query call with an arbitrary method call that
>> returns a couple objects.
>>
>> Edson
>>
>>
>>
>> 2009/10/29 richarda <richard.ambridge at gmail.com>
>>
>>>
>>> Using Drools 5.0.1
>>>
>>> I get the same results with the below rule.
>>> I leave the System.out.println in, and the rule executes the number of
>>> times for the number of items that should be loaded from the hibernate,
>>> but each time the $o is still null.
>>>
>>> the insert seems to be ignored, audit shows no record of it, but I
>>> assume
>>> insert(null) is ignored by drools
>>>
>>>
>>> Edson Tirelli-4 wrote:
>>> >
>>> > Did you tried this?
>>> >
>>> > when
>>> > $m : MessageAsEvent(uuid=="mesC:7")
>>> > $o : MessageAsEvent(uuid=="mesC:7", id!=$m.id) from
>>> > hibernateSession.createQuery("from MessageAsEvent where
>>> > serial=?").setParameter(0,$m.serial).list()
>>> > then
>>> > insert($o)
>>> > end
>>> >
>>> > In any case, collect should work too. Which version of drools are
>>> you
>>> > using?
>>> >
>>> > []s
>>> > Edson
>>> >
>>> > 2009/10/29 richarda <richard.ambridge at gmail.com>
>>> >
>>> >>
>>> >> Hi again,
>>> >>
>>> >> I wish to have a rule that when an Event has a certain uuid then load
>>> >> into
>>> >> working memory all other events that have been received for this
>>> unit...
>>> >>
>>> >> So I write the rule:
>>> >>
>>> >> rule "Repeating"
>>> >>
>>> >> when
>>> >> $m : MessageAsEvent(uuid=="mesC:7")
>>> >> $others : LinkedList() from collect (
>>> >> MessageAsEvent(uuid=="mesC:7", id!=$m.id)
>>> >> from hibernateSession.createQuery("from
>>> >> MessageAsEvent where
>>> >> serial=?").setParameter(0,$m.serial).list()
>>> >> )
>>> >> then
>>> >> System.out.println("Gathering m="+$m+"
>>> data="+$others);
>>> >> end
>>> >>
>>> >>
>>> >> Audit log shows: (wish cut and paste would work from Eclipse audit
>>> view)
>>> >>
>>> >> <activationId>Repeating [131, 14]</activationId>
>>> >> <rule>Repeating FAN</rule>
>>> >> <declarations>$others=[MessageAsEvent:[124] uuid=mesC:7
>>> serial=serial123
>>> >> count=7, MessageAsEvent:[94] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[64] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[118] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[112] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[106] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[100] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[88] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[82] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[76] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[70] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[58] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[52] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[46] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[40] uuid=mesC:7 serial=serial123 count=7,
>>> >> MessageAsEvent:[34] uuid=mesC:7 serial=serial123 count=7](131);
>>> >> $m=MessageAsEvent:[130] uuid=mesC:7 serial=serial123
>>> >> count=7(14)</declarations>
>>> >> <ruleFlowGroup>Gathering</ruleFlowGroup>
>>> >>
>>> >>
>>> >>
>>> >> So, you can see that the rule fired with $others having all the data,
>>> >> and
>>> >> $m being the main uuid
>>> >>
>>> >>
>>> >> but the output of the rule is:
>>> >> Gathering m=MessageAsEvent:[130] uuid=mesC:7 serial=serial123 count=7
>>> >> data=null
>>> >>
>>> >> so, the $others has been translated to a null.
>>> >>
>>> >> I'm trying to copy the Expert example:
>>> >>
>>> >> import java.util.LinkedList;
>>> >>
>>> >> rule "Send a message to all mothers"
>>> >> when
>>> >> $town : Town( name == 'Paris' )
>>> >> $mothers : LinkedList()
>>> >> from collect( Person( gender == 'F', children > 0 )
>>> >> from $town.getPeople()
>>> >> )
>>> >> then
>>> >> # send a message to all mothers
>>> >> end
>>> >>
>>> >> which indicates that $mothers will be available in the RHS
>>> >>
>>> >> for reference, the audit log shows when the rule fires:
>>> >>
>>> >>
>>> >> <org.drools.audit.event.ActivationLogEvent>
>>> >> <type>6</type>
>>> >> <activationId>Repeating [-1, 14]</activationId>
>>> >> <rule>Repeating FAN</rule>
>>> >> <declarations>$m=MessageAsEvent:[130] uuid=mesC:7 serial=serial123
>>> >> count=7(14)</declarations>
>>> >> <ruleFlowGroup>Gathering</ruleFlowGroup>
>>> >>
>>> >>
>>> >> What am I doing wrong?
>>> >> I basically want all the MessageAsEvent added to working memory, so
>>> later
>>> >> other rules will do work on all the events.
>>> >>
>>> >> Cheers
>>> >> Ric
>>> >>
>>> >> --
>>> >> View this message in context:
>>> >> http://www.nabble.com/Collect-and-hibernate-tp26112042p26112042.html
>>> >> Sent from the drools - user mailing list archive at Nabble.com.
>>> >>
>>> >> _______________________________________________
>>> >> rules-users mailing list
>>> >> rules-users at lists.jboss.org
>>> >> https://lists.jboss.org/mailman/listinfo/rules-users
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > Edson Tirelli
>>> > JBoss Drools Core Development
>>> > JBoss by Red Hat @ www.jboss.com
>>> >
>>> > _______________________________________________
>>> > rules-users mailing list
>>> > rules-users at lists.jboss.org
>>> > https://lists.jboss.org/mailman/listinfo/rules-users
>>> >
>>> >
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Collect-and-hibernate-tp26112042p26113182.html
>>> Sent from the drools - user mailing list archive at Nabble.com.
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>
>>
>>
>>
>> --
>> Edson Tirelli
>> JBoss Drools Core Development
>> JBoss by Red Hat @ www.jboss.com
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>
>
--
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