Re: [rules-users] Drools Fusion: updating event duration

Hi Edson, so, when i want modify an event, i could do as follow: - clone event; - change the duration - retract the previuos event - insert the new event Is it right? Bye bye, Matteo. 2012/2/22 Edson Tirelli <ed.tirelli(a)gmail.com&gt; > > Unfortunately you can't update event durations or timestamp. Events > are supposed to represent things that happened and as so, are immutable > (other than data enrichment). If an event representation is no longer true, > that event has to be retracted. Most common case is when you are dealing > with atomic events (like start and end atomic events) that represent a > complex event. Usually you will have a rule that correlates the start and > end atomic events and creates a complex derived event, retracting the > atomic ones. > > Edson > > 2012/2/22 Matteo Cusmai <cusmaimatteo(a)gmail.com&gt; > >> >> Hi all, >> i am using Drools Fusion in multi sensor data fusion system. I have some >> rules that generate a new event when some situations occur. But from the >> other hand, i would like to update the event, when i understand that new >> sensor observation is referring to the same event. I have my Event clazz >> with duration field, i try to update it in modify clause, but i have >> concern about it, because when i use temporal operator (such as before, >> meets, so on) it seems that Drools manage them as event with duration null. >> I could post the code too. >> Bye bye, >> Matteo. >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > > -- > Edson Tirelli > JBoss Drools Core Development > JBoss by Red Hat @ www.jboss.com > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users