{"id":"observer-consistency-via-template-method","text":"Observer's self-consistency requirement before notification is naturally enforced by Template Method's inverted control structure: the Hollywood principle ensures the parent class controls the algorithm skeleton, guaranteeing that all subclass state modifications (via hooks and abstract operations) complete before Notify is called — connecting Observer's correctness constraint to Template Method's control-flow guarantee.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["gof-observer-notify-after-consistent-state","gof-template-method-hollywood-principle"],"outlist":[],"label":"Observer's consistency requirement and Template Method's inverted control connect as enforcement mechanism to correctness constraint"}],"dependents":["bidirectional-temporal-safety-operational","observer-composition-reliability-bounded","observer-designed-for-pattern-composition","observer-template-method-enforces-consistency-within-event-architecture","observer-template-method-safety-reinforces-hollywood-principle-universality","template-method-dual-role-skeleton-and-safety"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-17T23:07:32+00:00","updated_at":"2026-06-18T06:15:08+00:00","reviewed_at":"2026-06-18T06:15:08+00:00","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"observer-consistency-via-template-method","truth_value":"IN","reason":"SL justification valid","antecedents":["gof-observer-notify-after-consistent-state","gof-template-method-hollywood-principle"],"label":"Observer's consistency requirement and Template Method's inverted control connect as enforcement mechanism to correctness constraint"},{"node":"gof-observer-notify-after-consistent-state","truth_value":"IN","reason":"premise"},{"node":"gof-template-method-hollywood-principle","truth_value":"IN","reason":"premise"}]}}