I'm curious if anyone has any suggestions on handling the following
situation:
I have a knowledge base in my program, the Jess Rete object. The program
receives a message and feeds it into the knowledge base so it can be
interpreted properly. The program then looks for certain facts in the
knowledge base (ie: a query defined by the message) and acts
accordingly. Once the message is processed, I want to rollback the rete
to the state it was before the message came in so the rete won't grow
too big as I continue to receive messages. Complicating things, messages
might be coming in concurrently. I understand that the rete's methods
and parts are synchronized and thread safe (correct?). However, it does
mean that I can't do something simple like count the number of facts
before the message, count the number afterwards and subtract the
difference from the tail of the facts list. I was thinking of cloning
the rete for the message handler so it can't touch the original. This
sounds potentially slow, but not nearly as slow as reading in all the
facts to initialize the kb. It does sound difficult though. It's not
clear to me just what that would entail, how many links the rete has and
so forth. Would it be not worth the effort and easier to just assert a
ton (couple hundred) facts into a new Rete everytime a message comes in?
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