<div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div><span>thank you.</span></div><div><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"><font face="Arial" size="2"><hr size="1"><b><span style="font-weight:bold;">From:</span></b> Wolfgang Laun-2 [via Drools] <<a href="/user/SendEmail.jtp?type=node&node=3243377&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>><br><b><span style="font-weight: bold;">To:</span></b> wendy <<a href="/user/SendEmail.jtp?type=node&node=3243377&i=1" target="_top" rel="nofollow" link="external">[hidden email]</a>><br><b><span style="font-weight: bold;">Sent:</span></b> Wednesday, August 10, 2011 1:31 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [rules-users] Collect with same value<br></font><br><div id="yiv1605529294">
rule "get big shapes by color"<br>when<br> $map: Map()<br> from accumulate ( $shape: Shapes( $color: color, size > 5 ),<br> init( Map m = new HashMap(); ),<br> action( List list = m.get( $color );<br>
if( list == null ) list = new ArrayList();<br> list.add( shape ); ),<br> result( m ) )<br>then<br> // process $map to get all lists of same color<br>end<br><br>Untested.<br><br>-W<br>
<br><div class="yiv1605529294gmail_quote">On 10 August 2011 17:20, wendy <span dir="ltr"><<a rel="nofollow" target="_top" link="external">[hidden email]</a>></span> wrote:<br><blockquote style="border-left:2px solid #CCCCCC;padding:0 1em;" class="yiv1605529294gmail_quote">
Hi,<br>
I'm trying to write the following rule but am having some trouble.<br>
<br>
We have a object say Shape and which has attributes size and color. I<br>
want to get a list of all shapes with the same color that have size > 5.<br>
How can I make sure the color is the same for all objects in the collect<br>
without having different rules for 'red', 'green'...?<br>
<br>
Thank you,<br>
Wendy<br>
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