Lindy,
by default Drools will re-evaluate the rules "as needed" once facts
are changed (and the engine is told about it), so "when changed" is
actually the default behavior.
The examples you give sound more like an event-processing scenario
(reasoning over time) so you might want to have a look at drools-fusion.
>Rules can be updated by business users thru BRMS and Guvnor?
The short answer yes.
The long answer: Your milage may vary. It really depends on what type
of rules and what type of business users. I don't think it's safe to
just "tick this box".
That has not much to do with Guvnor's capabilities (allthough it is a
new product) - I rather think that this is not true for any BRMS.
-- Ingomar
Am 24.04.2009 um 18:30 schrieb Lindy hagan:
I was looking at Blaze Advisor documentation it has “when changed”
operator that only fires when an attribute of an object changes. A
business
analyst might use it to watch for any important issue, such as a
thermostat
warning in a process plant or a particular stock reaching a certain
price or
volume.
In similar way does Drools have this feature?
Can any one correct if I am wrong: Rules can be updated by business
users
thru BRMS and Guvnor? (I did not get chance to go thru these)
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