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Oracle SOA Infrastructure Implementation Certification Handbook (1Z0-451) by Kathiravan Udayakumar

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The Rule Engine working model

When facts are modified in the working memory of the business Rule Engine:

  1. Conditions for rules are evaluated and matched.
  2. Matching rules are added to the agenda and pooled for activation.
  3. Rules that are no longer matched are removed from the agenda step.
  4. The Rules Engine runs and executes actions for activated rules that matched the asserted facts.

The Rule Engine working model is shown in the following image:

The Rule Engine working model

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