you are close ;)<br><br>Yes, it is a challenge, thats what the examples are for etc.<br><br>but try this (FYI I think you mean "or"):<br><br><p style=""><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
rule</span></font></b><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"UCCnet_DVE_Depth_All"</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
when</span></font></b><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> catalogObject : CatalogObject( </span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">)</span></font></p><p style=""> eval( <font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">
catalogObject.</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">getElementValue(</span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"depth"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">) == </span></font><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
null</span></font></b><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> || </span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">
catalogObject.</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">getElementValue(</span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"depth"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">) == </span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"" )</span></font><br><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"></span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># String depth =
CatalogObject.getElementValue("depth")</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># depth == null</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font>
</p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># depth == ""</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span>
</font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># catalogObject : CatalogObject( depth == null)</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># catalogObject : CatalogObject( depth == "")</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
then</span></font></b><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> # DON'T do this logWriter : LogWriter();</span></font></p><p style=""> # BUT you can pass in a logWriter global variable
<br><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"></span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> logWriter.logDebug(</span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"Package Depth is Blank"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">);</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> System.out.println( </span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"Package Depth is Blank"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> ); </span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">end</span></font></b><br><br><br>Hope that helps.<br>In the up coming BRMS, there will be a GUI which also has a secret purpose of "coaching" what DRL looks like, for those who need to know.
<br><br><div><span class="gmail_quote">On 4/4/07, <b class="gmail_sendername"><a href="mailto:John.Tal@gxs.com">John.Tal@gxs.com</a></b> <<a href="mailto:John.Tal@gxs.com">John.Tal@gxs.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div link="blue" vlink="purple" lang="EN-US">
<div>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Writing DRL is not easy for people new to drools. Can
someone please help me understand how to write this simple rule? You can see
the approaches I have taken.</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">In this case I do not have getters and setters for the
attributes I am checking. I need to pass parameters to the object for it to
get the data.</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I can't get any of the code in the when block to be
syntax proper. Existing DRL doc is lacking in this area.</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks John</span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p style=""><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">rule</span></font></b><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">
</span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">"UCCnet_DVE_Depth_All"</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span>
</font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
when</span></font></b><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> catalogObject : CatalogObject( getElementValue(</span></font><font color="green" face="Courier New" size="2">
<span style="font-size: 10pt; color: green;">"depth"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">) == </span></font><b><font color="#960000" face="Courier New" size="2">
<span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">null</span></font></b><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">, getElementValue(</span></font><font color="green" face="Courier New" size="2">
<span style="font-size: 10pt; color: green;">"depth"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">) == </span></font><font color="green" face="Courier New" size="2">
<span style="font-size: 10pt; color: green;">""</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">)</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># String depth =
CatalogObject.getElementValue("depth")</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># depth == null</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font>
</p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># depth == ""</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;"></span>
</font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># catalogObject : CatalogObject( depth == null)</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="olive" face="Courier New" size="2"><span style="font-size: 10pt; color: olive;"># catalogObject : CatalogObject( depth == "")</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> </span></font><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">
then</span></font></b><font face="Courier New" size="2"><span style="font-size: 10pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> logWriter : LogWriter();</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> logWriter.logDebug(</span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"Package Depth is Blank"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;">);</span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p style=""><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> System.out.println( </span></font><font color="green" face="Courier New" size="2"><span style="font-size: 10pt; color: green;">
"Package Depth is Blank"</span></font><font color="black" face="Courier New" size="2"><span style="font-size: 10pt; color: black;"> ); </span></font><font face="Courier New" size="2"><span style="font-size: 10pt;">
</span></font></p>
<p><b><font color="#960000" face="Courier New" size="2"><span style="font-size: 10pt; color: rgb(150, 0, 0); font-weight: bold;">end</span></font></b><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">
</span></font></p>
</div>
</div>
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