Paul Houle created JENA-1204:
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Summary: Independently Configurable BulitinRegistry for Jena Rules
Engine
Key: JENA-1204
URL: https://issues.apache.org/jira/browse/JENA-1204
Project: Apache Jena
Issue Type: Bug
Components: Jena
Affects Versions: Jena 3.1.1
Environment: any
Reporter: Paul Houle
An appealing case for the Jena Rules Engine is to use rules to trigger a set of
actions in the rule heads that create side effects in the Java Universe:
consider (1) constructing and populating Java data structures in the rule head,
and (2) use of the rules engine in a "reactive" scenario where changes in the
outside world are inserted into the graph as facts, triggering actions on a
distributed system in the heads.
In cases like this, the creation of a new set of built-ins could occur
somewhat frequently so efficiency matters here so I don't like the idea of this
registered in some central registry so that we can pass in the built-in
parameter with the resource to the factory, so the advised method for
configuration is to add a setter on the GenericRuleReasoner, The only concern
I have is "order-of-operations" involving initialization, etc.
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