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<DIV>
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<div class=Section1>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>Hello,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>I would like to improve the performance of my Drools
process, I have two questions on my current implementation, one regarding
updating fact and the other retracting them. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><O:P>Before asking, I need to explain in few words the
problem I want to solve with Drools.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>My company is a bank where traders are making deals
on markets, these deals must be classified in book, this is what we call “booking
process”.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>Booking is done according to booking criteria :
which trader has made the deal ? on which product ? etc … <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>A booking rule defines a set of criteria and the target
book where the deal will classified. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>I’m using Drools to :<o:p></o:p></span></font></p>
<ol style='margin-top:0cm' start=1 type=1>
<li class=MsoNormal style='mso-list:l1 level1 lfo5'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>find all booking
rules matching deals made by traders<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l1 level1 lfo5'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>apply the right
booking rule on the deal among the ones matching the deal<o:p></o:p></span></font></li>
</ol>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>I have defined a flow composed of 3 steps/rules
group, each group has one rule, here’s the flow and the rules.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>Flow : <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>------<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=green
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:green'>"Find matching booking rules by deal group" -> "Refresh"
-> "Apply booking rule group"<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>Rules :<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>------<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>The job of this rule is to store in </span></font><font
size=2 color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'>DealMatchingBookingRules </span></font><font
size=2 face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>all
the booking rule matching a specific deal (each </span></font><font size=2
color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'>DealMatchingBookingRules </span></font><font
size=2 face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>instance
has a unique Deal).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Find
matching booking rules by deal"</span></font><font size=2
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>salience</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> 10</span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>no-loop</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>ruleflow-group</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Find
matching booking rules by deal group"</span></font><font size=2
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB 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
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      $dealMatchingBookingRules :
DealMatchingBookingRules($dealModel : deal)</span></font><font size=2
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      $dealProductRelatedIndexes :
ProductRelatedIndexes(product.internalCode == $dealModel.product.internalCode)</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      $bookingRule : BTExecutionBookingRuleModel (</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        </span></font><font size=2 color=olive face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:olive'>//
when a criterion is not set, it is considered as satisfied. </span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        (traderCriterion == </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'> || $dealModel.trader ==
traderCriterion)</span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        && (portfolioCriterion == </span></font><b><font
size=2 color="#960000" face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'> || $dealModel.portfolio ==
portfolioCriterion)</span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        </span></font><font size=2 color=olive face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:olive'>//
when a product type criterion is set to unknown, it is considered as satisfied
whatever deal product type is. </span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        && (productTypeStringCriterion == </span></font><b><font
size=2 color="#960000" face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'> || productTypeCriterion ==
ProductType.Unknown  </span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>            || $dealModel.product.productType ==
productTypeCriterion)  </span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        && (listedIndexCriterion == </span></font><b><font
size=2 color="#960000" face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'> ||
$dealProductRelatedIndexes.relatedIndexes </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:#960000;font-weight:bold'>contains</span></font></b><font
size=2 color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'> listedIndexCriterion)</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      )</span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB 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
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>     
$dealMatchingBookingRules.addMatchingBookingRule($bookingRule);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>end</span></font></b><font size=2
face="Courier New"><span lang=EN-GB 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 face="Courier New"><span
lang=EN-GB 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 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>This second step is
only here to tell Drools that DealMatchingBookingRules have changed, this is needed
for the next step.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>I can’t call “</span></font><font
size=2 color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'>update($dealMatchingBookingRules)”</span></font><font
size=2 face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>
in the previous rule, because if 2 booking rule matches the same deal, an
infinite loop occurs.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>My explanation is the
following one (as far as I understand how Drools works) :  <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>1 – Drools rule
is activated for first booking rule => $dealMatchingBookingRules is updated 
<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>2 - Drools rule is
activated for second booking rule => $dealMatchingBookingRules is updated<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>3 - since
$dealMatchingBookingRules has been updated for Drools it will execute again the
rule for first booking rule  <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>4 - since
$dealMatchingBookingRules has been updated for Drools it will execute again the
rule for second booking rule<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>It continues to execute
step 3, then step 4, then step 3 ... infinite loop !</span></font><font size=2
face="Courier New"><span lang=EN-GB 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 face="Courier New"><span
lang=EN-GB 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 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>Question : <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>Is there a better way
of telling Drools that DealMatchingBookingRules have changed and avoid activating
the rule again ? <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>If none, can I update all
</span></font><font size=2 color=black face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;font-family:"Courier New";color:black'>DealMatchingBookingRules</span></font><font
size=2 face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>
more efficiently ?  <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Refresh"</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>salience</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> 5</span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>no-loop</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>ruleflow-group</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Refresh"</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB 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
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>    $dealMatchingBookingRules : DealMatchingBookingRules()</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>then</span></font></b><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>    </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>update</span></font></b><font size=2
color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'>($dealMatchingBookingRules);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>end</span></font></b><font size=2
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>Last rule job (and last
flow step), is to determine which booking rule to apply among the ones matching
a specific deal.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>When we find the right booking
rule, we book the deal and process is finished for the deal.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>  <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>Questions : <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>I think that no-loop
and the retract isntruction are doing the same job, question is which the one
to remove to have the best performance improvement and why ?<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>(I will launch performance
test anyway but It would be cool to have some insight on Drools)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      </span></font><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Apply
booking rule"</span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>no-loop</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>ruleflow-group</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><font size=2 color=green face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green'>"Apply
booking rule group"</span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>  </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB 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
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>    $dealMatchingBookingRules : DealMatchingBookingRules(
hasSingleMatchingLevel1BookingRule == </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:#960000;font-weight:bold'>true</span></font></b><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>                                                          ||
hasSingleMatchingLevel2BookingRule == </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:#960000;font-weight:bold'>true</span></font></b><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>                                                          ||
hasSingleMatchingLevel3BookingRule == </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:#960000;font-weight:bold'>true</span></font></b><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>                                                          ||
hasSingleMatchingLevel4BookingRule == </span></font><b><font size=2
color="#960000" face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:#960000;font-weight:bold'>true</span></font></b><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>    )</span></font><font size=2 face="Courier New"><span
lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>    </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB 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 lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      MarketDealModel dealModel =
$dealMatchingBookingRules.getDeal();</span></font><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>if</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> ($dealMatchingBookingRules.getHasSingleMatchingLevel1BookingRule())
{</span></font><font size=2 face="Courier New"><span lang=EN-GB
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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        BTExecutionBookingRuleModel effectiveBookingRuleModel =
$dealMatchingBookingRules.getSingleMatchingLevel1BookingRule();</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        effectiveBookingRuleModel.applyRuleOnDeal(dealModel);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      } </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>else</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>if</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>
($dealMatchingBookingRules.getHasSingleMatchingLevel2BookingRule()) {</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>          BTExecutionBookingRuleModel effectiveBookingRuleModel =
$dealMatchingBookingRules.getSingleMatchingLevel2BookingRule();</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>            effectiveBookingRuleModel.applyRuleOnDeal(dealModel);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      } </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>else</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>if</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>
($dealMatchingBookingRules.getHasSingleMatchingLevel3BookingRule()) {</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>          BTExecutionBookingRuleModel effectiveBookingRuleModel =
$dealMatchingBookingRules.getSingleMatchingLevel3BookingRule();</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>          effectiveBookingRuleModel.applyRuleOnDeal(dealModel);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>        } </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>else</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'> </span></font><b><font size=2 color="#960000" face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#960000;
font-weight:bold'>if</span></font></b><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>
($dealMatchingBookingRules.getHasSingleMatchingLevel4BookingRule()) {</span></font><font
size=2 face="Courier New"><span lang=EN-GB 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 lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>            BTExecutionBookingRuleModel effectiveBookingRuleModel
= $dealMatchingBookingRules.getSingleMatchingLevel4BookingRule();</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>            effectiveBookingRuleModel.applyRuleOnDeal(dealModel);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      }</span></font><font size=2 face="Courier New"><span
lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=black
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:black'>      </span></font><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>retract</span></font></b><font size=2
color=black face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";color:black'>($dealMatchingBookingRules);</span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color="#960000"
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
color:#960000;font-weight:bold'>end</span></font></b><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>So to summarize my questions : <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:39.75pt;text-indent:-18.0pt;mso-list:
l4 level1 lfo6'><![if !supportLists]><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'><span style='mso-list:
Ignore'>1.<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>In my specific case, is
there a way to update facts without activating same rules again ?<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:39.75pt;text-indent:-18.0pt;mso-list:
l4 level1 lfo6'><![if !supportLists]><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'><span style='mso-list:
Ignore'>2.<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana'>What is the more efficient
between no-loop or retract ?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span lang=EN-GB style='font-size:
10.0pt;font-family:Verdana'>Thanks in advance for your lights, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span lang=EN-GB
style='font-size:10.0pt;font-family:Verdana;color:blue'><O:P> </O:P></span></font><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>Joël Costigliola</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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