Hello You can set any attribute as the time clock You have to add an annotation It is in the fusion doc Sorry for my late answer but I am on holidays :) Regards Nicolas
2009/4/27 cyphr <[email protected]> > > Thanks Nicolas, > I looked into Drools-fusion over the weekend - interesting! > i noticed that the events are wound around the clock in the example > provided > - is that so always? > i would want my correlation to work with the time from timestamp that is > already there as part of the fact. > > Any pointers on where i can get some more reading done on drools-fusion, > with some more examples? > > Thanks again! > Rishi > > > Nicolas Héron wrote: > > > > Hello, > > have you looked at the cep part of drools ? (drools-fusion) > > it is exactly doing what you want with event. > > You add an event caracteristic on an existing fact you insert in a > > statefull > > session > > and you can have rules using time constraint > > regards > > Nicolas Heron > > > > 2009/4/22 cyphr <[email protected]> > > > >> > >> Hi, > >> > >> I have a scenario where i have: > >> - A listener that listens to a port and collects datapackets(Logs of > >> Events) as they come and dumps to a DB. > >> - consider the data that goes into my table is parsed, processed > >> (meaningful, not raw anymore). > >> > >> > >> Can Drools sit in between this listener and my DataBase to achieve the > >> following : > >> > >> 1. Monitor the frequency of occurrence? Say if/when event 'X' occurs > 'n' > >> times in a 'z' time window? > >> 2. ignore event 'X' until it occurs n times. > >> 3. track a sequence of events - event X followed by event y within a > >> fixed > >> time window. > >> > >> (the RHS for any of these is, at the moment, not very consequential. i > >> might > >> just raise a flag or something to indicate something has happened...) > >> > >> My query is primarily to understand if this can be achieved. > >> i may have around a million logs a day, but - only one event at a time > is > >> passed from the listener to Drools. Can drools hold the knowledge of > >> previous facts(like count) into its working session? or does it require > >> to > >> store all these facts also? > >> > >> Should i be firing the rules whenever each log/event enters my system? > or > >> should i accumulate the day's facts ? (but i might have rules that need > >> to > >> catch conditions spreading over a few days ...) > >> > >> Some pointers or suggestions on this would be great! > >> Thanks! > >> > >> -- > >> View this message in context: > >> > http://www.nabble.com/Can-Drools-be-Used-for-this-application--tp23170278p23170278.html > >> Sent from the drools - user mailing list archive at Nabble.com. > >> > >> _______________________________________________ > >> rules-users mailing list > >> [email protected] > >> https://lists.jboss.org/mailman/listinfo/rules-users > >> > > > > _______________________________________________ > > rules-users mailing list > > [email protected] > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > -- > View this message in context: > http://www.nabble.com/Can-Drools-be-Used-for-this-application--tp23170278p23249692.html > Sent from the drools - user mailing list archive at Nabble.com. > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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