[rules-users] Is it possible to leave the "then" block empty?

[Wolfgang Laun]

On 21/05/2013, Aleksandar Toshovski <balex4o at gmail.com> wrote:

> 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']

The rule name in the error message does not match the one you have posted above.


>
>
> Can you give me an example?
>

rule x
when
then
end

-W


> 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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>
>