final case class HalfOpen(resetTimeout: FiniteDuration) extends State with Product with Serializable
State of the TaskCircuitBreaker in which the circuit breaker has already allowed a task to go through, as a reset attempt, in order to test the connection.
Contract:
- The first task when
Open
has expired is allowed through without failing fast, just before the circuit breaker is evolved into theHalfOpen
state - All tasks attempted in
HalfOpen
fail-fast with an exception just as in Open state - If that task attempt succeeds, the breaker is reset back to
the
Closed
state, with theresetTimeout
and thefailures
count also reset to initial values - If the first call fails, the breaker is tripped again into
the
Open
state (theresetTimeout
is multiplied by the exponential backoff factor)
- resetTimeout
is the current
resetTimeout
that was applied to the previousOpen
state, to be multiplied by the exponential backoff factor for the next transition toOpen
, in case the reset attempt fails
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Instance Constructors
-
new
HalfOpen(resetTimeout: FiniteDuration)
- resetTimeout
is the current
resetTimeout
that was applied to the previousOpen
state, to be multiplied by the exponential backoff factor for the next transition toOpen
, in case the reset attempt fails
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