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Contents
require 'zlib'
module Flipper
module Gates
class PercentageOfActors < Gate
# Internal: The name of the gate. Used for instrumentation, etc.
def name
:percentage_of_actors
end
# Internal: Name converted to value safe for adapter.
def key
:percentage_of_actors
end
def data_type
:integer
end
def enabled?(value)
value > 0
end
# Private: this constant is used to support up to 3 decimal places
# in percentages.
SCALING_FACTOR = 1_000
private_constant :SCALING_FACTOR
# Internal: Checks if the gate is open for one or more actors.
#
# Returns true if gate open for any actors, false if not.
def open?(context)
return false unless context.actors?
id = "#{context.feature_name}#{context.actors.map(&:value).sort.join}"
Zlib.crc32(id) % (100 * SCALING_FACTOR) < context.values.percentage_of_actors * SCALING_FACTOR
end
def protects?(thing)
thing.is_a?(Types::PercentageOfActors)
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems