The field of class employee must be <br> String statename;<br>with matching getter and setter ( String getStatename(); void setStatename( String value ); )<br><br>The identifier "state" is just for the DSL translator, to transfer the string XXX from<br>
"... a particular state XXX" into the String literal of the field constraint.<br><br>-W<br><br><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>
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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: 12pt; color: rgb(68, 68, 68);">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: 12pt; color: rgb(68, 68, 68);"> </span></i></b></p>
<p class="MsoNormal"><span style="color: rgb(68, 68, 68);">Let me know how I can resolve.</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal" style=""><span style="font-size: 14pt; font-family: "Brush Script MT"; color: black;">Best Regards,</span></p>
<p class="MsoNormal" style=""><span style="font-size: 14pt; font-family: "Brush Script MT"; color: black;">Kripa
</span></p>
<p class="MsoNormal"> </p>
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