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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I have in the working memory all possible sentences that can be presented to the user ( class Sentence() ).<o:p></o:p></p><p class=MsoNormal>Each sentence holds a collection (String collection) called descriptor that describe the sentence.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Based on various rules I populate a collection called messageFilter which will be used to select the appropriate sentence.<o:p></o:p></p><p class=MsoNormal>The proper sentence is one that all its descriptors match the one in the messageFilters<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What I would like is something of the sort:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>$sentences: ArrayList() <o:p></o:p></span></p><p class=MsoNormal style='margin-left:1.5in;text-indent:.5in;text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>from</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>collect</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> (Sentence(descriptor </span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>contains</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> messageFilter)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal>as messageFilter is a collection, this is not a valid code.<o:p></o:p></p><p class=MsoNormal>What would be the proper method to implement it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using drools 5.1.1 but am willing to upgrade to 5.2 if required.<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><o:p> </o:p></p></div></body></html>