[rules-users] Adding eval on rule cause it to run in infinite loop

[Wolfgang Laun]

Wrapping a constraint into "eval" (for which there's absolutely no need)
hides the visibility of the attribute condIsNUMERIC to the "observer" that
would avoid the reactivation.

-W

On 11/06/2014, brachi <brachi.w at sapiens.com> wrote:
> for this Drools Fact Type:
>
> /*
> declare DvFacts0
> @propertyReactive
>         IsNUMERIC: Double
>         condIsNUMERIC: Double
> end*/
>
> I have this rule:
>
> /*rule "1"
> salience -1
>     agenda-group "agenda1"
>     when
> 		$condIsNUMERIC: DvFacts0(eval(condIsNUMERIC == null ) )
> 		$conclusion: DvFacts0( )
>     then
> 		modify($conclusion){setIsNUMERIC(1.0)};
>     end*/
>
> the rule hit just one time without the eval clause, adding the eval cause
> this rule to run in infinite loop.
> have an idea?
> put attention that I add  @propertyReactive on the DVFacts0 to avoid this.
>
>
>
> --
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