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Contents
module Freno
class Throttler
# A CircuitBreaker is the entry point of the pattern with same name.
# (see https://martinfowler.com/bliki/CircuitBreaker.html)
#
# Clients that use circuit breakers to add resiliency to their processes
# send `failure` or `sucess` messages to the CircuitBreaker depending on the
# results of the last requests made.
#
# With that information, the circuit breaker determines whether or not to
# allow the next request (`allow_request?`). A circuit is said to be open
# when the next request is not allowed; and it's said to be closed when the
# next request is allowed.
#
module CircuitBreaker
# The Noop circuit breaker is the `:circuit_breaker` used by default in
# the Throttler
#
# It always allows requests, and does nothing when given `success` or
# `failure` messages. For that reason it doesn't provide any resiliency
# guarantee.
#
# See https://github.com/jnunemaker/resilient for a real ruby implementation
# of the CircuitBreaker pattern.
#
class Noop
def self.allow_request?
true
end
def self.success; end
def self.failure; end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems