[rules-users] Check if fact is subset of items in the rule

[Kumar Pandey]

Michael
  Here are some examples

Rule1  has "str1", "Str2", "Str3"

Rule2 has "str2", "Str3", "Str5", "Str6", "Str7"

Rule3 has "str1", "Str3", "Str6"

etc.

With fact1 that has  "str1", "Str3" , since this is subset of values in
Rule1 and Rule3, they should not fire but Rule2 should fire

With fact2 that has "str2", "Str6", "Str7", Rule 2 should not fire and Rule1
and Rule3 should fire.

Hope this is clear.

Thanks
Kumar

2010/10/13 Michael Anstis <michael.anstis at gmail.com>

> Thanks, please provide a specific example rule too.
>
> Don't forget to keep your posts to the mailing list for the good of the
> community.
>
>
> On 12 October 2010 22:18, Kumar Pandey <kumar.pandey at gmail.com> wrote:
>
>> Michale
>>   Thanks for the response.
>> Here's the link for the thread .
>>
>>
>> http://drools-java-rules-engine.46999.n3.nabble.com/Check-if-fact-is-subset-of-items-in-the-rule-td1680013.html#a1680013
>>
>> and the original about matching strings in two arrays.
>>
>> http://drools-java-rules-engine.46999.n3.nabble.com/Matching-strings-in-two-arrays-td1602511.html#a1602511
>>
>>
>> My use case is that I could have hundreds of rule and each rule could have
>> its own set of strings.
>> A fact object is run through these rules to see which ones are fired.
>> One of the condition to check is that the a list in the fact is not a
>> subset of list in the rule.
>> That is fire the rule only if list in fact is not a subset of list in
>> rule.
>>
>> Thanks
>> Kumar
>>
>>
>> On Tue, Oct 12, 2010 at 12:38 PM, Michael Anstis <
>> michael.anstis at gmail.com> wrote:
>>
>>> OK, I admit I don't have the original thread anymore.
>>>
>>> If I am not wrong (which is always a possibility) for Wolfgang's operator
>>> to work you'd need to externalise the superset from the rule into
>>> WorkingMemory. You could have a rule with higher salience construct the
>>> superset WM fact.
>>>
>>> If you don't mind re-posting or providing a link to the complete thread
>>> (on Nabble or somewhere) I'll happily try to help further.
>>>
>>> On 12 October 2010 17:23, <kumar.pandey at gmail.com> wrote:
>>>
>>>> <quote author='Michael Anstis-2'>
>>>>
>>>> Wolfgang gave a great solution.
>>>> </quote>
>>>> Don't know if I'm missing something obvious here.  I have a superset in
>>>> the rule itself. Each rule has a superset list. In this case how would I use
>>>> Wolfgang's solution. Its comparing through two arrays in runtime. I have not
>>>> been able to construct an array construct with specific values in the rule
>>>> itself.
>>>>
>>>
>>>
>>
>>
>
> _______________________________________________
> 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/20101013/a3b20b36/attachment.html