<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style>
<![endif]--><o:SmartTagType
namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman";}
span.EmailStyle18
{mso-style-type:personal;
font-family:Arial;
color:windowtext;}
span.EmailStyle19
{mso-style-type:personal;
font-family:Arial;
color:navy;}
span.EmailStyle20
{mso-style-type:personal;
font-family:Arial;
color:navy;}
span.EmailStyle21
{mso-style-type:personal-reply;
font-family:Arial;
color:navy;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
{page:Section1;}
/* List Definitions */
@list l0
{mso-list-id:39742704;
mso-list-type:hybrid;
mso-list-template-ids:702968 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:.5in;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have attached the Guvnor repository and
the java code that I am using to run a ruleflow.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The two tables <i><span style='font-style:
italic'>‘MasterHud’</span></i> and <i><span style='font-style:italic'>‘FeeCalc’</span></i>
are decision tables made in Guvnor. <o:p></o:p></span></font></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><i><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;font-style:italic'>MasterHud</span></font></i><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> decision
table is used to get the <i><span style='font-style:italic'>hudLineNumber</span></i>
based on <i><span style='font-style:italic'>lienPosition</span></i> and <i><span
style='font-style:italic'>productType</span></i>.<o:p></o:p></span></font></li>
<li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><i><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;font-style:italic'>FeeCalc</span></font></i><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> table is used to get the fee
based on <i><span style='font-style:italic'>hudLineNumber</span></i>.<o:p></o:p></span></font></li>
</ul>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have created a ruleflow ‘<i><span
style='font-style:italic'>Fee.rf’</span></i> which connects these two
tables. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Below is the code I use to call <i><span
style='font-style:italic'>Fee.rf</span></i>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div style='mso-element:para-border-div;border:solid windowtext 1.0pt;
padding:1.0pt 4.0pt 0in 4.0pt'>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>public
static void main(String args[]){<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> try{<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> KnowledgeBase
kbase = readKnowledgeBase();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> StatefulKnowledgeSession
ksession = kbase.newStatefulKnowledgeSession();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> LoanDetail
l = new LoanDetail();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> l.setLienPosition("Second
Lien");<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> l.setProductType("ABC");<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> ksession.insert(l);<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> ksession.startProcess("hudRule");<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> ksession.fireAllRules();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> System.out.println("Hud
Line Number: " +l.getHudLineNumber());<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> System.out.println("Fee:
" +l.getFee());<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
ksession.dispose(); <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }catch(Throwable
t){<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> t.printStackTrace();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> private
static KnowledgeBase readKnowledgeBase()throws Exception{<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> KnowledgeBuilder
kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> kbuilder.add(
ResourceFactory.newUrlResource("http://localhost:8080/guvnor/org.drools.guvnor.Guvnor/package/com.example/LATEST"),ResourceType.PKG);<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> kbuilder.add(ResourceFactory.newClassPathResource("Fee.rf",
Test.class), ResourceType.DRF);<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> KnowledgeBuilderErrors
errors = kbuilder.getErrors();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> if(errors.size()>0){<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> for(KnowledgeBuilderError
error : errors){<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> System.err.println(error);<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> throw
new IllegalArgumentException("Could not parse knowledge.");<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> KnowledgeBase
kbase = KnowledgeBaseFactory.newKnowledgeBase();<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> return
kbase;<o:p></o:p></span></font></p>
<p class=MsoNormal style='border:none;padding:0in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> }<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>When I run
this code, I get the Hud Line Number as </span></font></b><b><font size=2
color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red;font-weight:bold'>801</span></font></b><b><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
font-weight:bold'> but the fee displayed is </span></font></b><b><font size=2
color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red;font-weight:bold'>0.0</span></font></b><b><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>The
expected output is Hud Line Number as </span></font></b><b><font size=2
color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red;font-weight:bold'>801 </span></font></b><b><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
font-weight:bold'>but the fee displayed as </span></font></b><b><font size=2
color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red;font-weight:bold'>450.<o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>There is
no exception but I don’t get the desired output.<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Ambika Goel <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, October 12, 2009
1:09 PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">'rules-users@lists.jboss.org'</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Implementaion of Rule
Flow in Guvnor</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am using the following code to add to
knowledge builder and run it:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>knowledgeBuilder.add(ResourceFactory.newClassPathResource(“QueueFlow.rf”,
GuvnorTest.class), ResourceType.DRF) // ruleflow<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>knowledgeBuilder.add(ResourceFactory.newUrlResource(“http://...”),
ResourceType.PKG) // guvnor package<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> My rule flow is connection of two
tables. I set a property in action of one decision table and use it as a
condition in another decision table to get the desired result.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If I run the above code, I don’t get
any exception but the output is ‘null’. <o:p></o:p></span></font></p>
</div>
</body>
</html>