{"id":"coupling-management-covers-boundary-and-behavioral","text":"Object-oriented coupling management includes at least two complementary domains: boundary coupling (Adapter/Facade implementing DIP across system interfaces, enabling OCP at architectural seams) and behavioral coupling (Command/Observer/Mediator/Chain composing different communication topologies to decouple senders from receivers) — together these address coupling along both interface-boundary and sender-receiver axes in a composition-based architecture.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["adapter-facade-implements-dip-at-boundaries","decoupling-topology-composition-based"],"outlist":[],"label":"Structural boundary patterns and behavioral decoupling patterns partition the coupling problem space without overlap"}],"dependents":["change-management-comprehensive-coverage","coupling-management-comprehensive-and-scalable","interface-coupling-complete-lifecycle"],"metadata":{"source_type":"derived","review_result":"pass","repair_action":"softened"},"created_at":"2026-06-17T18:00:51+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":"coupling-management-covers-boundary-and-behavioral","truth_value":"IN","reason":"SL justification valid","antecedents":["adapter-facade-implements-dip-at-boundaries","decoupling-topology-composition-based"],"label":"Structural boundary patterns and behavioral decoupling patterns partition the coupling problem space without overlap"},{"node":"adapter-facade-implements-dip-at-boundaries","truth_value":"IN","reason":"SL justification valid","antecedents":["adapter-facade-interface-boundary-pair","dip-enables-ocp"],"label":"Boundary patterns are the concrete mechanism by which DIP's abstraction requirement is fulfilled at system interfaces"},{"node":"adapter-facade-interface-boundary-pair","truth_value":"IN","reason":"SL justification valid","antecedents":["facade-vs-adapter-new-vs-existing-interface","adapter-after-design-bridge-before-design","facade-defines-higher-level-interface-to-subsystem"],"label":"Two structural patterns addressing interface boundaries at complementary granularities"},{"node":"facade-vs-adapter-new-vs-existing-interface","truth_value":"IN","reason":"premise"},{"node":"adapter-after-design-bridge-before-design","truth_value":"IN","reason":"premise"},{"node":"facade-defines-higher-level-interface-to-subsystem","truth_value":"IN","reason":"premise"},{"node":"dip-enables-ocp","truth_value":"IN","reason":"SL justification valid","antecedents":["dip-depend-on-abstractions-not-concretions","ocp-open-for-extension-closed-for-modification","program-to-interface-not-implementation"],"label":"Abstraction-dependency is the mechanism enabling extension-without-modification"},{"node":"dip-depend-on-abstractions-not-concretions","truth_value":"IN","reason":"premise"},{"node":"ocp-open-for-extension-closed-for-modification","truth_value":"IN","reason":"premise"},{"node":"program-to-interface-not-implementation","truth_value":"IN","reason":"premise"},{"node":"decoupling-topology-composition-based","truth_value":"IN","reason":"SL justification valid","antecedents":["four-decoupling-patterns-topology","behavioral-patterns-favor-composition"],"label":"The decoupling topology (depth-1) is enabled by composition preference (depth-1) — topology and mechanism unify"},{"node":"four-decoupling-patterns-topology","truth_value":"IN","reason":"SL justification valid","antecedents":["four-patterns-decouple-senders-receivers","command-decouples-invoker-from-receiver","gof-mediator-replaces-many-to-many-with-one-to-many","chain-of-responsibility-implicit-receiver","gof-observer-intent-one-to-many-dependency"],"label":"Decoupling patterns span a topology from reified request to implicit broadcast"},{"node":"four-patterns-decouple-senders-receivers","truth_value":"IN","reason":"premise"},{"node":"command-decouples-invoker-from-receiver","truth_value":"IN","reason":"premise"},{"node":"gof-mediator-replaces-many-to-many-with-one-to-many","truth_value":"IN","reason":"premise"},{"node":"chain-of-responsibility-implicit-receiver","truth_value":"IN","reason":"premise"},{"node":"gof-observer-intent-one-to-many-dependency","truth_value":"IN","reason":"premise"},{"node":"behavioral-patterns-favor-composition","truth_value":"IN","reason":"SL justification valid","antecedents":["behavioral-patterns-class-vs-object","behavioral-patterns-encapsulate-variation","favor-composition-over-inheritance"],"label":"Behavioral object patterns are composition-over-inheritance put into practice"},{"node":"behavioral-patterns-class-vs-object","truth_value":"IN","reason":"premise"},{"node":"behavioral-patterns-encapsulate-variation","truth_value":"IN","reason":"premise"},{"node":"favor-composition-over-inheritance","truth_value":"IN","reason":"premise"}]}}