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<p class=MsoNormal><span style='color:#1F497D'>I got it, I have to use
Entrypoint in my DRL file otherwise it would give null pointer exception.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I used like this-<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><b><span style='font-size:10.0pt;
font-family:"Courier New";color:#960000'>rule</span></b><span style='font-size:
10.0pt;font-family:"Courier New";color:black'> </span><span style='font-size:
10.0pt;font-family:"Courier New";color:green'>"Testing EntryPoint"</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><b><span
style='font-size:10.0pt;font-family:"Courier New";color:#960000'>when</span></b><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'> $cf
: CashFlow() </span><b><span style='font-size:10.0pt;font-family:"Courier New";
color:#960000'>from</span></b><span style='font-size:10.0pt;font-family:"Courier New";
color:black'> entry-point </span><span style='font-size:10.0pt;font-family:
"Courier New";color:green'>"TransactionStream"</span><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New";color:black'> </span><b><span
style='font-size:10.0pt;font-family:"Courier New";color:#960000'>then</span></b><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New";color:black'> System.out.println($cf);</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'> System.out.println(</span><span
style='font-size:10.0pt;font-family:"Courier New";color:green'>"Testing
the transaction stream"</span><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 style='text-autospace:none'><b><span style='font-size:10.0pt;
font-family:"Courier New";color:#960000'>end</span></b><span style='font-size:
10.0pt;font-family:"Courier New"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Aman
[mailto:boy18nj@gmail.com] <br>
<b>Sent:</b> Sunday, October 03, 2010 9:42 PM<br>
<b>To:</b> 'Rules Users List'<br>
<b>Subject:</b> WorkingMemoryEntryPoint NullpointerException?<o:p></o:p></span></p>
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<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'>memoryEntryPoint is retrieved as null,
what could be wrong here or do I need to do some special configuration in order
to use working memory point streams?<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'><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'>
StatefulKnowledgeSession knowledgeSession = GivemeStatelessOrStateful</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'>
.<i>getStatefull</i>(</span><span style='font-size:10.0pt;font-family:"Courier New";
color:#2A00FF'>"cashflow.drl"</span><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><o:p> </o:p></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New";color:black'>
WorkingMemoryEntryPoint memoryEntryPoint = <span style='background:silver;
mso-highlight:silver'>knowledgeSession</span></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 style='background:blue;mso-highlight:blue'>getWorkingMemoryEntryPoint</span>(</span><span
style='font-size:10.0pt;font-family:"Courier New";color:#2A00FF'>"TransactionStream"</span><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><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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