I'm going to be interacting with a KnowledgeBase in a web application. I do not expect the rules to change during the running of the application. I will be using StatelessKnowledgeSessions exclusively.
My question is: where is the best place to put the various parts, and what sort of synchronization do I need to worry about? I did not see any reference to these issues in the (massive, otherwise excellent) Drools documentation. I assume that the best strategy is to: - Locate the KnowledgeBase in the ServletContext upon startup - Read in the rule base at startup in a synchronized block (I don't think the servlet specification guarantees that a ServletContextListener is thread-safe at startup, but maybe this is overkill) - During runtime, synchronize on the rule base while acquiring a StatelessKnowledgeSession from the ServletContext - Use the acquired StatelessKnowledgeSession freely, without any further concern for locking (after all, it's stateless, right?) Could someone please correct me if any of these statements is wrong? Thanks, Laird
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