Your DSL shows a class called "employee" with field "statename".<div><br></div><div>Perhaps your DSL should read:-</div><div><br></div><div><p class="MsoNormal" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">
[when]employee belongs to a particular state{state}=$employee:employee (state=="{state}");</p></div><div><p class="MsoNormal" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">[then]Greet Employee=System.out.println("Hello");</p>
</div><div><br></div><div>Your class name "employee" also doesn't follow normal practice of capitalising the first letter; so "Employee" would be preferential.</div><div><br><div class="gmail_quote">
2010/9/6 Kripa Nathwani <span dir="ltr"><<a href="mailto:Kripa.Nathwani@lntinfotech.com">Kripa.Nathwani@lntinfotech.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p class="MsoNormal">Hello,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I have written the following simple DSL in Drools:</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">[when]employee belongs to a particular state{state}=$employee:employee (statename=="{state}");</p>
<p class="MsoNormal">[then]Greet Employee=System.out.println("Hello");</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I have also created the corresponding model with a field named “state”.</p>
<p class="MsoNormal">When I try to create business rule for the same and when I validate the rule I get the following error:</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><b><i><span style="font-size:12.0pt;color:#444444">Unable to create Field Extractor for 'statename' of '[ClassObjectType class=dslDemoPackage.employee]' in rule 'testdsl'</span></i></b></p>
<p class="MsoNormal"><b><i><span style="font-size:12.0pt;color:#444444"> </span></i></b></p>
<p class="MsoNormal"><span style="color:#444444">Let me know how I can resolve.</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:14.0pt;font-family:"Brush Script MT";color:black">Best Regards,</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:14.0pt;font-family:"Brush Script MT";color:black">Kripa
</span></p>
<p class="MsoNormal"> </p>
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