Re: [rules-users] Fusion temporal operators, time units
You may have to define your own version of temporal operators or at least
to replace the parser for the temporal operators' parameters, i.e., what is
written between the brackets.
I guess that in your domain, a month is not an absolute interval but depends
on the starting point. This makes it more difficult if you intend to use
a temporal relation based on arbitrary starting points. In this case, even
a full redefinition of (some of) the temporal operators might be
necessary, where
distances off some point in time depend on that point in time. Can you
provide a consistent definition, at least for those temporal operators you
intend to use? The definitions in Drools Fusion are complete; see what you
would need to have with months (and years) in their parameters.
-W
2010/11/16 Nathan Bell <Nathan.Bell(a)pharmacyonesource.com>:
Fusion seems to only support days, hours, minutes, seconds and
milliseconds
for the units of time used with temporal operators. For example consider the
following rule (which works correctly):
rule "AdmittedInLast7Days"
dialect "java"
when
$now : RuleTime()
$account : PatientAccount(this after[-7d,0s] $now )
then
System.out.println("AdmittedInLast7Days fired");
End
Now suppose that I want an alternate version of this rule that instead of
firing for patients admitted in the last 7 days it fires for patients
admitted in the last 7 months, or years. Is there built-in support for doing
this? If not, does anyone have suggestions on the best way to approach this?
Thank You,
Nathan Bell
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