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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi,<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 the following simple process having
the WSHT ‘HumanTask’ (Drools Flow 5.1.0.M1)<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'>Start Node</span></font><font size=2
color=navy face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings;
color:navy'>à</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'> Human Task </span></font><font
size=2 color=navy face=Wingdings><span style='font-size:10.0pt;font-family:
Wingdings;color:navy'>à</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'> End Node<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'>Under the following scenario:<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 style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>a)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>MinaTaskServer service is started<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>b)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Drools Flow Process is started – as it reaches the Human Task
( having ‘Wait for completion’ as true) – following 4 commands
are executed on the mina service<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.5in;text-indent:-1.5in;mso-text-indent-alt:
-9.0pt;mso-list:l0 level3 lfo1'><![if !supportLists]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><span
style='mso-list:Ignore'><font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font>i.<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>AddTaskRequest
-</span></font><font size=2 color=navy face=Wingdings><span style='font-size:
10.0pt;font-family:Wingdings;color:navy'>à</span></font><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> This basically creates the task in the WSHT task tables<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.5in;text-indent:-1.5in;mso-text-indent-alt:
-9.0pt;mso-list:l0 level3 lfo1'><![if !supportLists]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><span
style='mso-list:Ignore'><font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font>ii.<font size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>RegisterForEventRequest
</span></font><font size=2 color=navy face=Wingdings><span style='font-size:
10.0pt;font-family:Wingdings;color:navy'>à</span></font><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> This is called 3 times to register for following task events (<b><span
style='font-weight:bold'>TaskCompletedEvent</span></b>,</span></font> <b><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;font-weight:bold'>TaskFailedEvent</span></font></b><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>,</span></font> <b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>TaskSkippedEvent</span></font></b><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='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>c)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>I guess the above 3 events (b ii) are registered for a callback to
the Drools process so that the ‘work item’ (related to Human Task) state
can be properly changed when the above 3 task event occurs – and the
drools process can move forward.<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'>Now my question is what if the Mina
service has to be stopped in between (<b><span style='font-weight:bold'>task
has been created </span></b>but not yet reached<b><span style='font-weight:
bold'> the completed status</span></b>) – then we lose all the registered
events (as these are not persistent events) – now when we restart the
Mina service we query the task – and let’s say we changed the state
through “<b><span style='font-weight:bold'>Reserved</span></b></span></font><b><font
size=2 color=navy face=Wingdings><span style='font-size:10.0pt;font-family:
Wingdings;color:navy;font-weight:bold'>à</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'> InProgress</span></font></b><b><font size=2
color=navy face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings;
color:navy;font-weight:bold'>à</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'>Completed</span></font></b><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>”. Now since the registered events are lost, how does
the work item will be marked as “completed” (as the associated WSHT
task has completed) so that the drools process can move forward –
basically end in this case?<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'>Any insight will be highly appreciated.<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'>Thanks<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'>Vijay<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>
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