[rules-users] The buss pass example of inference results in compilation errors, how to solve these?

[Bharadwaj N]

Can you show me Debtor class ?


On Wed, Mar 20, 2013 at 12:56 PM, ajklunder2
<albert.jan.klunder at gmail.com>wrote:

> Thanks,
>
> Is that the solution? That seems odd to me because IsBadDebtor is an
> inferred object and should have the class Debtor. When you have to declare
> a class for every type of inferred object you are using that would be
> strange. These classes would extend the class where they are inferred from
> and would be totally empty: no own attributes, nor methods. They would only
> be declared to solve this compilation issue.
>
>
> It seems u have not imported the IsBadDebtor class in your drool file
>>
>
>
>> If it's inner class of Debtor then use as Debtor.IsBadDebtor.drools
>> compiler unable to find IsBadDebtor
>>
>>
>>
>> Thanks,
>>
>> Bharadwaj nakka.
>>
>>
>> On Wed, Mar 20, 2013 at 12:14 PM, ajklunder2 <[hidden email]<http://user/SendEmail.jtp?type=node&node=4022913&i=0>
>> > wrote:
>>
>>> Hi,
>>>
>>> In the Drools documentation is "the buss pass" example of how to use
>>> inference.
>>>
>>> rule "Infer Adult"
>>> when
>>>   $p : Person( age >= 18 )
>>> then
>>>   insert( new IsAdult( $p ) )
>>> end
>>>
>>> However, when I try this myself I get compilation errors on IsAdult and a
>>> missing ";" after the insert statement. (I am using the Drools plugin in
>>> Eclipse)
>>>
>>> Here is an example of my own what has the same issue:
>>>
>>> //list any import classes here.
>>> import com.example.vdc.VdcLandingPage;
>>> import com.invoicestore.domain.Debtor;
>>>
>>> //declare any global variables here
>>> global VdcLandingPage UI;
>>>
>>>
>>> rule "Infer bad debtor"
>>>
>>> when
>>>         $debtor : Debtor( isBadDebtor() == true )
>>> then
>>>         insert( new IsBadDebtor( $debtor ) );
>>> end
>>>
>>>
>>> BuildError: Unable to Analyse Expression drools.insert( new IsBadDebtor(
>>> $debtor ) );:
>>> [Error: Failed to compileShared: 1 compilation error(s):
>>>  - (1,16) could not resolve class: IsBadDebtor]
>>> [Near : {... drools.insert( new IsBadDebtor( $debtor ) ); ....}]
>>>                             ^
>>> [Line: 23, Column: 0]
>>>
>>> I have studied the Drools documentation and cannot find anything what
>>> might
>>> lead to a solution. I have tried to set the dialect to "mvel" but that is
>>> not solving the problem.
>>>
>>> Any suggestions how to solve this?
>>>
>>>
>>>
>>>
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>>
>>
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