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(ns net.higher-order.integration.circuit-breaker.states) | |
(deftype TransitionPolicy [fail-count timeout]) | |
(defprotocol CircuitBreakerTransitions | |
"Transition functions for circuit-breaker states" | |
(proceed [s] "true if breaker should proceed with call in this state") | |
(on-success [s] "transition from s to this state after a successful call") | |
(on-error [s] "transition from s to this state after an unsuccessful call") | |
(on-before-call [s] "transition from s to this state before a call")) | |
(deftype ClosedState [policy fail-count] clojure.lang.IPersistentMap) | |
(deftype OpenState [policy time-stamp] clojure.lang.IPersistentMap) | |
(deftype InitialHalfOpenState [policy] clojure.lang.IPersistentMap) | |
(deftype PendingHalfOpenState [policy] clojure.lang.IPersistentMap) | |
(def #^{:private true} | |
abs-transitions | |
{:proceed (constantly false) | |
:on-success identity | |
:on-error identity | |
:on-before-call identity}) |
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