rule "get big shapes by color" when $map: Map() from accumulate ( $shape: Shapes( $color: color, size > 5 ), init( Map m = new HashMap(); ), action( List list = m.get( $color ); if( list == null ) list = new ArrayList(); list.add( shape ); ), result( m ) ) then // process $map to get all lists of same color end
Untested. -W On 10 August 2011 17:20, wendy <w.mungo...@yahoo.com> wrote: > Hi, > I'm trying to write the following rule but am having some trouble. > > We have a object say Shape and which has attributes size and color. I > want to get a list of all shapes with the same color that have size > 5. > How can I make sure the color is the same for all objects in the collect > without having different rules for 'red', 'green'...? > > Thank you, > Wendy > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Collect-with-same-value-tp3242904p3242904.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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