{"id":"gof-observer-intent-one-to-many-dependency","text":"The Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-19.md","source_url":"","source_hash":"","justifications":[],"dependents":["four-decoupling-patterns-topology"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T17:04:08+00:00","updated_at":"2026-06-17T17:04:08+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"gof-observer-intent-one-to-many-dependency","truth_value":"IN","reason":"premise"}]}}