<div dir="ltr"><br> You need to use "memberOf", "from" and the accumulate function "count". <br><br> []s<br> Edson<br><br><br><div class="gmail_quote">2008/8/23 David Cracauer <span dir="ltr"><<a href="mailto:dcracauer@earthlink.net">dcracauer@earthlink.net</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div style=""><div>Thanks for your response.</div><div><br></div><div>I don't think contains will work in this case. I need to match if a collection contains one, and only one, of another collection. So " ('a','b','c') contains one of ('a','b','e') " should not match, where "('a','b','c') contains ('a','2','3')" should match.</div>
<div><br></div><div>Thanks,</div><div>Dave Cracauer</div><div><div></div><div class="Wj3C7c"><br><div><div>On Aug 23, 2008, at 8:31 AM, Scott Burrows wrote:</div><br><blockquote type="cite"><div dir="ltr">You have the answer in your example, reserved word "contains" will give you that information.<br>
<br clear="all">Scott Burrows<br><br> <br><br><div class="gmail_quote">On Sat, Aug 23, 2008 at 9:23 AM, David Cracauer <span dir="ltr"><<a href="mailto:dcracauer@earthlink.net" target="_blank">dcracauer@earthlink.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <br> Hi,<br> I'm getting stuck on this and I'm hoping someone can help..<br> I need to be able to check that a collection contains one, and only one item<br>
from another collection.<br> <br> Ideally, I would do something like this:<br> <br> a:Answer(responses contains one of ("a","b","c"));<br> <br> Is there a way do do this without resorting to evals or predicate<br>
expressions? (drools 4.07)<br> <br> Thanks,<br> Dave<br> <font color="#888888"><br> <br> <br> --<br> View this message in context: <a href="http://www.nabble.com/Can-I-check-if-a-collection-contains-one%2C-and-only-one-item-of-another-collection-tp19114896p19114896.html" target="_blank">http://www.nabble.com/Can-I-check-if-a-collection-contains-one%2C-and-only-one-item-of-another-collection-tp19114896p19114896.html</a><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a><br>
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