<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am using Drools 5.2.0 and I encountered the following problem perhaps there is a solution or workaround. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I added a new operator called supersetOf which works fine.<o:p></o:p></p><p class=MsoNormal>When I add a rule of the sort: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:.5in'>when <o:p></o:p></p><p class=MsoNormal style='margin-left:.5in;text-indent:.5in'>$myClass: MyClass(X supersetOf $z) <o:p></o:p></p><p class=MsoNormal style='text-indent:.5in'>then <o:p></o:p></p><p class=MsoNormal> …<o:p></o:p></p><p class=MsoNormal style='text-indent:.5in'>End<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It works fine and no errors are displayed in the IDE (eclipse).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>But when I use nested fields e.g:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:.5in'><i><span style='color:#595959;mso-style-textfill-fill-color:#595959;mso-style-textfill-fill-alpha:100.0%'>when <o:p></o:p></span></i></p><p class=MsoNormal style='margin-left:.5in;text-indent:.5in'><i><span style='color:#595959;mso-style-textfill-fill-color:#595959;mso-style-textfill-fill-alpha:100.0%'>$myClass: MyClass(X.Y supersetOf $z) <o:p></o:p></span></i></p><p class=MsoNormal style='text-indent:.5in'><i><span style='color:#595959;mso-style-textfill-fill-color:#595959;mso-style-textfill-fill-alpha:100.0%'>then <o:p></o:p></span></i></p><p class=MsoNormal><i><span style='color:#595959;mso-style-textfill-fill-color:#595959;mso-style-textfill-fill-alpha:100.0%'> …<o:p></o:p></span></i></p><p class=MsoNormal style='text-indent:.5in'><i><span style='color:#595959;mso-style-textfill-fill-color:#595959;mso-style-textfill-fill-alpha:100.0%'>End<o:p></o:p></span></i></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>It works fine but I get an error indication by the eclipse marking the drl as a compilation error but looking inside the drl shows no error.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there any way to resolve this or even workaround by suppressing the error indication?<o:p></o:p></p><p class=MsoNormal>It is quite annoying as my project is filled with false error indication which kind if make it difficult to work.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal>Hezi<o:p></o:p></p><p class=MsoNormal><span style='color:#8DB3E2'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>