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<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">Hi, </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">i have som</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">e problems with custom functions and types.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> </SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">I m</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">using</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> Drools 5.0 and Eclipse 3.4.2 (have to use these eclipse version, so my decision was to use the drools beta).</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">I declared a type in my rule file like : </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"><B></B></SPAN><SPAN LANG="de"><B></B></SPAN><SPAN LANG="de"><B></B></SPAN><B><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">declare</FONT></SPAN></B><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">VarHolder</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> </FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">var1</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> : String</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> </FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">var2</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> :</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">Long</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> </FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">var3</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> :</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">String</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"><B></B></SPAN><SPAN LANG="de"><B></B></SPAN><SPAN LANG="de"><B></B></SPAN><B><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">end</FONT></SPAN></B><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">also i specified a custom function in the same file, whi</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ch i have to use in my rules</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> (</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">it’s</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">a example function)</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> : </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">function String hello(String name) {</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> </FONT></SPAN><SPAN LANG="de"> <FONT SIZE=2 FACE="Courier New">return "Hello "+name+"!";</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"><FONT SIZE=2 FACE="Courier New">}</FONT></SPAN><SPAN LANG="de"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"><FONT SIZE=2 FACE="Courier New">.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">The declared Type will be used in the java code</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">: </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">// handle the type as necessary:</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">// create instances:</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">Object</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">vars</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> =</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">varHolderTyp</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">.newInstance();</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">// set attributes values</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">varHolderTyp</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">.set</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">FromMap</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">(</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">vars</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">,</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">varMap);</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">// insert fact into a session</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">StatefulKnowledgeSession ksession = ...</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New">ksession.insert(</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Courier New">vars</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier New"> );</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de-ch"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de-ch"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">When it comes to the</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">“</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">setFromMap</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">”</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">, then</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> get a ClassCastException for the VarHolderTyp. But when</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> remove the declaration</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> of the function in the rule file, then everything works fine (all variables will be filled correctly). It seems, that the reflection</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">mechanism</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">will not work correctly, when drools want to create the Pojo for VarHolder and</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">the Static Method for the function. But it s very</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">difficult</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> to debug, because the exception fire</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">s in the drools engine. </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Maybe</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I’</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ve make a mistake</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> so</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">anyone</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> knows a solution for this problem or can tell me, where my mistake is.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">It will be nice, when</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> can declare a type and a function</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">together</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">in one rule</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">file.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri"> At the moment,</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> created a java class for VarHolder, so the exception does not appear, bu</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">t</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> m losing a lot of dynamic. </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">Please give me a hint</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
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