[rules-users] Specifying time in date-effective

[Leonardo Gomes]

Hi Devyani,

You might have problems with the date format due to your system's settings.
There's the following remark in Drools 4 documentation:

> Date
>
> The date format "dd-mmm-yyyy" is supported by default. You can customize
> this by providing an alternative date format mask as a System property
> ("drools.dateformat" is the name of the property). If more control is
> required, use the inline-eval constraint.
>
The best thing is to set that system property to the exact format you want
to use. Something like this:

System.setProperty("drools.dateformat", "dd-mmm-yyyy hh:mm");
>

-- 

I believe, that date-effective will simply check the system time before
firing a rule and, if the current time is before the specified time in the
rule, it won't fire the rule.

AFAIK, you can't make a rule be triggered at a certain time everyday, except
if you insert at that specified time a fact (or a set of facts) that will
make that rule fire..

Leo Gomes.


2010/9/29 <devyani.sapre at wipro.com>

>  Hi All
>
> I am using 4.0. I have a requirement to execute a rule only during a
> specified time of a given day
>
> While going through the documentation I found that I could use the
> date-effective attribute to specify the date and time
>
>    *6.5.1.8. date-effective*
>
> *default value : N/A*
>
> *type : String, which contains a Date/Time definition*
>
> *A rule can only activate if the current date and time is after
> date-effective attribute.*
>
> But while trying out the same, the engine recognizes only the day and not
> the time. How do I specify the time? So far I have been using the std format
> HH:MM:SS , tried both 12-hr and 24 -hr format but no luck. Please help.
>
> Also, I would like to know how can I make a rule run on a specified time
> everyday. With date-effective specifying a date would be mandatory? Is thr a
> way or I need to put that in the rule condition part.
>
>
>
> Thanks
>
> Devyani
>
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