[rules-users] Drools with rules from database

Ansgar Konermann ansgar.konermann at googlemail.com
Thu Aug 23 11:18:26 EDT 2012


Question: for a single lookup like the one shown in the rule you reference,
do you want to add another technology to your stack (or rather code that in
Java)?
Am 23.08.2012 17:09 schrieb "Michael Anstis" <michael.anstis at gmail.com>:

> You will need to insert both Employee and EmployeeTypeSalary objects into
> WM:-
>
> Employee( "manager" )
> Employee( "director" )
> EmployeeTypeSalary( "manager", 100 )
> EmployeeTypeSalary( "director", 300 )
>
> You won't need any more rules than the one shown. This rule will not need
> to be changed.
>
> Just insert your reference data (EmployeeTypeSalary) and employee data
> (Employee) into Working Memory.
>
> How you get both the reference data and employee data is up to you. I'm
> not about to embark on JDBC\JPA etc lessons.
>
> On 23 August 2012 15:16, debchamps <majumdar.debarghya at gmail.com> wrote:
>
>> So the thing is I will have rules like
>>
>> when
>>   EmployeeTypeSalary( $et : emplyeeType, $s : salary )
>>   $e : Employee( employeeType ==  $et )
>> then
>>   modify($e) {
>>     setSalary( $s );
>>   }
>> end
>>
>>
>> But by taking the value from db the rules will look like
>> if(employesalary.color == "manager")
>> employesalary.salary = 100
>>
>> if(employesalary.color == "director")
>> employesalary.salary = 300
>>
>> There is only one template
>>
>> But I want to take this rules from db i.e
>> employee salary
>> -------------------
>> manager 100
>> director 300
>>
>>
>> For this I need some reference/example specially for connecting Drools
>> with
>> db and how the things work.
>>
>> Thanks,
>> Deb
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/Drools-with-rules-from-database-tp4019357p4019361.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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>
>
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