Have a read about nested accessors in Expert&#39;s documentation.<br><br>You should be able to achieve this using the MVEL dialect for your rule:-<br><br><span style="font-family: courier new,monospace;">when</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;">    Person( dob.year &gt; 1972 )</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">    ...</span><br style="font-family: courier new,monospace;">
<br>The &quot;then&quot; part of a rule is either pure Java or MVEL and consequentially provided your RHS is valid syntax for whichever dialect it should be OK.<br><br>With kind regards,<br><br>Mike<br><br><br><div class="gmail_quote">
2011/4/17 Guy Moas <span dir="ltr">&lt;<a href="mailto:GMoas@fis-software.com">GMoas@fis-software.com</a>&gt;</span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">










<div link="blue" vlink="purple" lang="EN-GB">

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<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Hi,</span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">I’ve the problem in both When and Then.</span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Is it possible to define such a reference with Guvnor?</span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Thank you</span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Guy</span></p>

<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>

<div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; padding: 3pt 0in 0in;">

<p class="MsoNormal"><b><span style="font-size: 10pt;" lang="EN-US">eFrom:</span></b><span style="font-size: 10pt;" lang="EN-US"> <a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>
[mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>] <b>On Behalf Of </b>Michael Anstis<br>
<b>Sent:</b> Sunday, April 17, 2011 10:50 PM<br>
<b>To:</b> Rules Users List<br>
<b>Subject:</b> Re: [rules-users] Double Referencing</span></p>

</div><div><div></div><div class="h5">

<p class="MsoNormal"> </p>

<p class="MsoNormal" style="margin-bottom: 12pt;">I don&#39;t understand your
question. Sorry.<br>
<br>
Are you having problems with the example you show in the &quot;when&quot; part
of a rule, the &quot;then&quot; part or something else?<br>
<br>
What type of examples were you wanting to receive?<br>
<br>
Cheers,<br>
<br>
Mike</p>

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<p class="MsoNormal">2011/4/17 Guy Moas &lt;<a href="mailto:GMoas@fis-software.com" target="_blank">GMoas@fis-software.com</a>&gt;</p>

<div>

<div>

<p class="MsoNormal">Hi,</p>

<p class="MsoNormal"> </p>

<p class="MsoNormal">Could
you please assist me whether I can double referencing issues <b>Person.GetDOB().GetYear();</b>
with Drools (Java, Guvnor)</p>

<p class="MsoNormal"> </p>

<p class="MsoNormal">Please
try to send an exmaple</p>

<p class="MsoNormal"> </p>

<p class="MsoNormal">Many
thanks,</p>

<p class="MsoNormal"> </p>

<p class="MsoNormal">Regards,</p>

<p class="MsoNormal"><b><span style="color: rgb(227, 108, 10);">Guy Moas</span></b> <i>– <b><span style="color: gray;">Technical
Project Manager</span></b></i>                             
<b><img src="cid:image001.jpg@01CBFD52.46A2C890" alt="cid:image001.jpg@01CB953C.44421930" height="38" width="125" border="0"></b></p>

<p class="MsoNormal"><span style="font-size: 10pt; color: rgb(127, 127, 127);">tel: +972 (73) 2608276 <b>|</b> mobile:
+972 (52) 3624583 <b>|</b> X-Lite: 8276<b> |</b> fax: +972 (73) 2608205</span></p>

<p class="MsoNormal"><u><span style="font-size: 10pt; color: blue;" lang="EN-US"><a href="mailto:GMoas@fis-software.com" target="_blank">GMoas@fis-software.com</a></span></u><span style="font-size: 10pt;"> <b><span style="color: rgb(127, 127, 127);"> |</span></b> </span><span lang="EN-US"><a href="http://www.fis-software.com/" target="_blank"><span style="font-size: 10pt;">http://www.fis-software.com</span></a></span></p>


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