<br> ouch, nasty!!<br><br> Can you please open a JIRA?<br><br> Thanks,<br> Edson<br><br><div><span class="gmail_quote">2008/2/6, Carlsen, Len <<a href="mailto:len.carlsen@ubc.ca">len.carlsen@ubc.ca</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Hi,</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 have an expression where I am comparing a Boolean to a
String which I would expect to fail but the expression always returns true. Is
this expected behaviour?</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 modified the Drools HelloWorldExample and changed the
status from an int to a boolean.</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="1"><span style="font-size: 9pt; color: rgb(150, 0, 0); font-weight: bold;">import</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> org.drools.examples.HelloWorldExample.Message;</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><b><font color="#960000" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(150, 0, 0); font-weight: bold;">rule</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><font color="green" face="Courier New" size="1"><span style="font-size: 9pt; color: green;">"Hello
World"</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#960000" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(150, 0, 0); font-weight: bold;">when</span></font></b><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> m : Message( status == </span></font><font color="green" face="Courier New" size="1"><span style="font-size: 9pt; color: green;">"hello"</span></font><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">, message : message )</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><b><font color="#960000" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(150, 0, 0); font-weight: bold;"> then</span></font></b><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> System.out.println( message
); </span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><b><font color="#960000" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(150, 0, 0); font-weight: bold;">end</span></font></b><font face="Courier New" size="1"><span style="font-size: 9pt;"></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="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">static</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">class</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> Message {</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">static</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">boolean</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><i><font color="#0000c0" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(0, 0, 192); font-style: italic;">HELLO</span></font></i><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> = </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">false</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">;</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">static</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">boolean</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><i><font color="#0000c0" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(0, 0, 192); font-style: italic;">GOODBYE</span></font></i><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> = </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">true</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">;</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">private</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> String </span></font><font color="#0000c0" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(0, 0, 192);">message</span></font><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">;</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">private</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">Boolean</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><font color="#0000c0" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(0, 0, 192);">status</span></font><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">;</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font face="Courier New" size="1"><span style="font-size: 9pt;"> </span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> Message() {}</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> String getMessage() {</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"> <b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">return</span></font></b><font color="black"><span style="color: black;"> </span></font><b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">this</span></font></b><font color="black"><span style="color: black;">.</span></font><font color="#0000c0"><span style="color: rgb(0, 0, 192);">message</span></font><font color="black"><span style="color: black;">;</span></font> <font color="black"><span style="color: black;">}</span></font></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">void</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> setMessage(</span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> String message) {</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"> <b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">this</span></font></b><font color="black"><span style="color: black;">.</span></font><font color="#0000c0"><span style="color: rgb(0, 0, 192);">message</span></font><font color="black"><span style="color: black;"> = message;</span></font> <font color="black"><span style="color: black;">}</span></font></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">boolean</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> getStatus() {</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"> <b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">return</span></font></b><font color="black"><span style="color: black;"> </span></font><b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">this</span></font></b><font color="black"><span style="color: black;">.</span></font><font color="#0000c0"><span style="color: rgb(0, 0, 192);">status</span></font><font color="black"><span style="color: black;">;</span></font> <font color="black"><span style="color: black;">}</span></font></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">public</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">void</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> setStatus(</span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">boolean</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> status) {</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;">
<b><font color="#7f0055"><span style="color: rgb(127, 0, 85); font-weight: bold;">this</span></font></b><font color="black"><span style="color: black;">.</span></font><font color="#0000c0"><span style="color: rgb(0, 0, 192);">status</span></font><font color="black"><span style="color: black;"> = status;</span></font> <font color="black"><span style="color: black;">}</span></font></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">}</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></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="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> Message message = </span></font><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">new</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> Message();</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">message.setMessage( </span></font><font color="#2a00ff" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(42, 0, 255);">"Hello World"</span></font><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> );</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">message.setStatus( Message.</span></font><i><font color="#0000c0" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(0, 0, 192); font-style: italic;">HELLO</span></font></i><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> );</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;"> </span></font></b></p>
<p style=""><b><font color="#7f0055" face="Courier New" size="1"><span style="font-size: 9pt; color: rgb(127, 0, 85); font-weight: bold;">final</span></font></b><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;"> StatefulSession session = ruleBase.newStatefulSession();</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">session.insert( message );</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></span></font></p>
<p style=""><font color="black" face="Courier New" size="1"><span style="font-size: 9pt; color: black;">session.fireAllRules();</span></font><font face="Courier New" size="1"><span style="font-size: 9pt;"></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><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks very much,</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;">Len</span></font></p>
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<br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> Office: +55 11 3529-6000<br> Mobile: +55 11 9287-5646<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a>