Hi Edson, <br><br>This is exactly what I am looking for, thanks!<br><br>One comment, is it possible to expand on list of operators Drools support?&nbsp; Better yet, make it plugable just like EvaluatorDefinition.<br><br>Correct me if I am wrong, but here are list of operators Drools support:
<br>&nbsp; <a href="http://anonsvn.labs.jboss.com/labs/jbossrules/trunk/drools-core/src/main/java/org/drools/base/evaluators/Operator.java">http://anonsvn.labs.jboss.com/labs/jbossrules/trunk/drools-core/src/main/java/org/drools/base/evaluators/Operator.java
</a><br><br>Would it be possible if I could add additional operators like &#39;+&#39;, &#39;-&#39;, &#39;/&#39;, &#39;%&#39;... to any objects.&nbsp; For example, I would love to allow users to write syntax below, where user could subtract 3 days from the current day.
<br><br>&nbsp; $p : Position ( settlementDate &lt; ( $TODAY - &#39;3D&#39; ) )<br><br>I love the project, keep up the good work.&nbsp; I am negotiating with management to purchase support contract from Redhat.<br><br>Andy<br><br><div class="gmail_quote">
On Dec 19, 2007 6:26 PM, Edson Tirelli &lt;<a href="mailto:tirelli@post.com">tirelli@post.com</a>&gt; 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>&nbsp;&nbsp; Andy,<br><br>&nbsp;&nbsp; I just added support for that in trunk (drools-4.1.0.SNAPSHOT). Although trunk is a work in progress, you are welcome to try it out and check if it meets your needs and provide feedback. Look for the interface: 
org.drools.base.evaluators.EvaluatorDefinition and its subclasses as examples.<br><br>&nbsp;&nbsp; []s<br>&nbsp;&nbsp; Edson<br><br><div><span class="gmail_quote">2007/12/19, Andy Mei &lt;<a href="mailto:andy.d.mei@gmail.com" target="_blank">
andy.d.mei@gmail.com
</a>&gt;:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div class="Wj3C7c">Hi,<br><br>&nbsp; Is there a way I could register my own custom EvaluatorFactory?
<br>&nbsp; Drools ships with DateFactory what compares only dates, but no time is included.&nbsp; I would like to compare time as well.<br>&nbsp; I see that it would be very helpful to include capability to register custom EvaluatorFactory.
<br>&nbsp; Thanks.<br><span><br>Andy<br>
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<br><br clear="all"><br>-- <br>&nbsp;&nbsp;Edson Tirelli<br>&nbsp;&nbsp;JBoss Drools Core Development<br>&nbsp;&nbsp;Office: +55 11 3529-6000<br>&nbsp;&nbsp;Mobile: +55 11 9287-5646<br>&nbsp;&nbsp;JBoss, a division of Red Hat @ <a href="http://www.jboss.com" target="_blank">
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