I think getting "BAM" functionality into jBPM would be excellent.
In the past, I've ended up using database views over the jbpm tables to provide a
picture of how many process instances are in which state (and how long they've been
there).
One thing that I think is missing from the current discussion is the idea of the
"owner" of a process instance. If you know who owns a process instance it
becomes easy to do queries like "show me the current state of all the process
instances I own with a task that is past its due date" - which is very useful for
people who are trying to manage the overall business process.
I'd also caution against assuming that historical "BI" functionality has to
be included with BAM. It is my experience that for "busy" systems, BI reporting
is carried out against a dedicated reporting database, so that complex and slow running
queries do not "clog" the business critical transactional database. The BI
reporting will be performed over a large set of data, not just data captured by jBPM (it
may pull in data from other sources as well, such as webserver logs) - which means the
whole BI piece goes beyond the scope of jBPM... ?
Cheers,
Andy
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