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

[rouvas at di.uoa.gr]

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.
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