[rules-users] How can i delete any object after executing the rules from the memory.

[Michael Anstis]

When I said "at runtime" I meant during the normal course of your
application's operation - obviously KnowledgeBase's need to be set up in
some shape or form at runtime (initialisation)!! :-)

On 22 October 2010 19:22, Michael Anstis <michael.anstis at gmail.com> wrote:

> Sure, check out KnowledgeBase's removeRule(String, String) method.
> Modifications to you KnowledgeBase are going to be more expensive than with
> Sessions, so ask yourself whether manipulating KnowledgeBase's at runtime is
> something you really want to be doing when you (probably) will be able to
> get identical function by re-thinking your approach.
>
> On 22 October 2010 17:37, <rouvas at di.uoa.gr> wrote:
>
>> Michael Anstis wrote:
>> > If you use a StatelessKnowledgeSession you won't need to remove the old
>> > facts.
>> >
>> > If however you want to use a StatefulKnowledgeSession for other reasons
>> > the
>> > insert method returns a FactHandle that can be later used to retrieve
>> the
>> > fact: ksession.retract(factHandle). Please refer to the documenation for
>> > more details.
>>
>> That is very convenient, I've also been looking (obviously not hard
>> enough) for a similar facility.
>>
>> Is here something similar for "retracting" rules as well?
>>
>> -Stathis
>>
>> >
>> > On 20 October 2010 16:35, nkumar <nkumar at objectwave.com> wrote:
>> >
>> >>
>> >> Hi..
>> >>
>> >>
>> >> I want to delete the objects which i inserted earlier to execute the
>> >> rules
>> >> upon. Why i want this is i have two lists containing 20 objects of two
>> >> different classes. for every combination i am assigning some values to
>> >> the
>> >> class variables in the rule file. So at any single time i want to
>> >> execute
>> >> rule on a single set of 2 classes.
>> >>
>> >> ksession.insert(object1 of class1)
>> >> ksession.insert(object1 of class2)
>> >>
>> >>
>> >> then next time i want this on
>> >>
>> >>
>> >> ksession.insert(object1 of class1)
>> >> ksession.insert(object2 of class2)
>> >>
>> >> and so on..
>> >>
>> >> I can insert all the objects once and can execute the rules on the
>> >> objects
>> >> but i have to save result of each combination in the list. No matter
>> >> what
>> >> the output is.
>> >>
>> >> Please suggest how can i solve this. if i have to insert only 2 objects
>> >> at
>> >> a
>> >> time then after inserting an object,there is no use to insert that
>> >> again.
>> >> So
>> >> how can i remove the objects from the memory after executing the rules.
>> >>
>> >>
>> >> Thansk...appreciate your help.
>> >> --
>> >> View this message in context:
>> >>
>> http://drools-java-rules-engine.46999.n3.nabble.com/How-can-i-delete-any-object-after-executing-the-rules-from-the-memory-tp1739477p1739477.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
>> >>
>> > _______________________________________________
>> > rules-users mailing list
>> > rules-users at lists.jboss.org
>> > https://lists.jboss.org/mailman/listinfo/rules-users
>> >
>>
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20101022/62b596a2/attachment.html