[rules-users] Is it possible to leave the "then" block empty?
Aleksandar Toshovski
balex4o at gmail.com
Tue May 21 13:12:57 EDT 2013
How? When I try something like this:
rule "AttributeChange EAttribute id"
when
diff: IDiff( operationType == OperationType.ADD, differenceType == DiffType.ATTRIBUTE, parameter=="id", !oldValue.equals(newValue) )
end
I get the following error:
Error: [12,0]: [ERR 102] Line 12:0 mismatched input 'end' in rule "AttributeChange EAttribute id"
Error: [0,0]: Parser returned a null Package
Also I get an error when I try to use something like this:
rule "AttributeChange EAttribute id"
when
diff: IDiff( operationType == OperationType.ADD, differenceType == DiffType.ATTRIBUTE, parameter=="id", !oldValue.equals(newValue) )
then
end
Error: Rule Compilation error : [Rule name='ReferenceChange EClass add Attribute/Reference']
Can you give me an example?
On May 21, 2013, at 7:07 PM, Wolfgang Laun wrote:
> On 21/05/2013, Aleksandar Toshovski <balex4o at gmail.com> wrote:
>> Hello,
>>
>> I have many rules, which have exactly the same "then" block. Is it possible
>> to leave the then cause empty?
>
> Yes.
> -W
>
>> I only need to know is if a rule was
>> activated or not and for this reason I'm using
>> WorkingMemoryConsoleLogger.activationCreated().
>>
>> Best Regards,
>> Aleksandar Toshovski
>>
>>
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