Yes, newest mvel version works fine, but that problem only happened when
using mvel dialect. For java, just do as Chris mentioned:
when
Test( y == (x+1) )
then
And it will work. The () is needed to tell the engine that what is inside
is a semantic code block, i.e., an expression that will return a value to be
compared to y.
[]s
Edson
2008/5/2 Chris Woodrow <woodrow.chris(a)gmail.com>:
Hi,
even
Test (y == (x + 1))
works.
Richard : I think you should take a look at this before planning doing
complicated calculations with drools
http://lists.jboss.org/pipermail/rules-users/2008-April/005247.html but it
might be fixed now.
Chris
2008/5/2 Raffi Khatchadourian <khatchad(a)cse.ohio-state.edu>:
On Fri 2.May'08 at 10:05:20 +0100, Anstis, Michael (M.) wrote:
>
> > The "when" section matches fact (object) patterns, so your
requirement
> > could be written as:-
> >
> > when there is a Test Fact 'A' and another Test Fact 'B' where
"the 'x'
> > property of 'A'" equals "the 'y' property of fact
'B' plus 1"
> > then.....
> >
> > This would become:-
> >
> > rule "Rule 1"
> > when
> > Test( $y : y )
> > Test( x == ($y + 1) )
> >
>
> Could you combine these conditions? As in:
>
> when
> Test($y : y, x == $y + 1)
> //...
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Edson Tirelli
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