<br><br><div class="gmail_quote">2011/5/17 Abhay B. Chaware <span dir="ltr"><<a href="mailto:Abhay.Chaware@kpitcummins.com">Abhay.Chaware@kpitcummins.com</a>></span><br><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 class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Hi</span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I have few
questions about Drools.</span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Are rules compiled,
partially compiled or interpreted ?</span></font></p></div></div></blockquote><div><br>Rules are indeed compiled, but any system where the order of execution<br>is so highly dynamic has to do some operation in an interpretative mode.<br>
<br> </div><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 class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">When I call
fireAllRules(), does it ( or can it ) create a new thread that runs parallely or
the operation is sequential and the caller program HAS TO wait till all rules
execution is done ?</span></font></p></div></div></blockquote><div><br>No special thread is created. fireAllRules() returns when no more rule activations are to be "fired".<br> </div><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 class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Also, How is
the application data integrity guarantied? E.g. what happens when some of the facts
are changed in middle of rules being executed .. ? what should happen ?</span></font></p></div></div></blockquote><div><br>When a rule activation is executed, the code of the consequence frequently changes one or more facts. This results in reevaluations of rule conditions, etc. This is just the way Drools works.<br>
<br>-W<br><br><br> </div><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 class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;">-abhay</span></font></p>
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