[rules-users] Help on writing a rule

[Mauricio Salatino]

Just curious here, why do you have this -> signal : Signal( id == "1234" )
over window:length(1)?


On Tue, Oct 22, 2013 at 9:40 PM, Davide Sottara <dsotty at gmail.com> wrote:

> Am I wrong or do you have two PriceChange events - 392 and 394 ?
> If so, you can expect two activations.. when you fire al rules, one of
> the two
> will insert the OrderCreated, which in turn will cancel the other
>
> On 10/22/2013 01:34 PM, calcacuervo wrote:
> > Hi Guys. I have one quesiton on how could I implement my rule.
> > I have this rule:
> > when
> >               t : PriceChange() over window:length(1)
> >               signal : Signal( id == "1234" ) over window:length(1)
> >               not OrderCreated( id == "1234" ) over window:time (1m)
> >       then
> >                 insert(new OrderCreated("1234));
> >
> > Basically, when there is some signal and some price change, create a new
> > order if  there has no been any other order in the last minute.
> > But this sometimes is being fired twice:
> > 12:31:01,121 INFO  [org.drools.audit.WorkingMemoryConsoleLogger] (Camel
> > (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED
> > rule:ertetr activationId:ertetr [393, 392, 0] declarations: t=PriceChange
> > [](392); signal=Signal at 1413ddef(393)
> > 12:31:01,160 INFO  [org.drools.audit.WorkingMemoryConsoleLogger] (Camel
> > (camel-1) thread #4 - JmsConsumer[marketDataTopic]) ACTIVATION CREATED
> > rule:ertetr activationId:ertetr [393, 394, 0] declarations: t=PriceChange
> > [](394); signal=Signal at 1413ddef(393)
> >
> > I think that, when the 1m window have passed, it creates twice the
> > activations, as I have not called fire all rules yet. Does is make
> sense? Do
> > you have some idea on how could I implement this rule? "when there has
> been
> > some price change and some signal, and I did not create a new order in
> the
> > last minute, just create a new order".
> >
> > Thanks in advance!
> >
> > Demian
> >
> >
> >
> > --
> > View this message in context:
> http://drools.46999.n3.nabble.com/Help-on-writing-a-rule-tp4026461.html
> > Sent from the Drools: User forum mailing list archive at Nabble.com.
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> >
>
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