[rules-users] Can Drools be Used for this application?

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--tp23170278... Sent from the drools - user mailing list archive at Nabble.com.