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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Writing DRL is not easy for people new to drools. &nbsp;&nbsp;Can
someone please help me understand how to write this simple rule? &nbsp;You can see
the approaches I have taken.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>In this case I do not have getters and setters for the
attributes I am checking. &nbsp;I need to pass parameters to the object for it to
get the data.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I can&#8217;t get any of the code in the when block to be
syntax proper. &nbsp;Existing DRL doc is lacking in this area.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks&nbsp; John<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>rule</span></font></b><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:green'>&quot;UCCnet_DVE_Depth_All&quot;</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font><b><font size=2 color="#960000"
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>when</span></font></b><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; catalogObject : CatalogObject( getElementValue(</span></font><font
size=2 color=green face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:green'>&quot;depth&quot;</span></font><font size=2
color=black face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>) == </span></font><b><font size=2 color="#960000"
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>null</span></font></b><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>, getElementValue(</span></font><font size=2 color=green
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:green'>&quot;depth&quot;</span></font><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>) == </span></font><font size=2 color=green face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:green'>&quot;&quot;</span></font><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:black'>)</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=olive
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:olive'>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String depth =
CatalogObject.getElementValue(&quot;depth&quot;)</span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=olive
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:olive'>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; depth == null</span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=olive
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:olive'>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; depth == &quot;&quot;</span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=olive
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:olive'>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; catalogObject : CatalogObject( depth == null)</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=olive
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:olive'>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; catalogObject : CatalogObject( depth == &quot;&quot;)</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font><b><font size=2 color="#960000"
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>then</span></font></b><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; logWriter : LogWriter();</span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; logWriter.logDebug(</span></font><font size=2
color=green face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:green'>&quot;Package Depth is Blank&quot;</span></font><font size=2
color=black face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>);</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println( </span></font><font size=2
color=green face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:green'>&quot;Package Depth is Blank&quot;</span></font><font size=2
color=black face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'> ); </span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>

<p class=MsoNormal><b><font size=2 color="#960000" face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:#960000;font-weight:
bold'>end</span></font></b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p></o:p></span></font></p>

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