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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
# Internal: Checks if the gate is open for a thing.
#
# Returns true if gate open for thing, false if not.
def open?(context)
percentage = context.values[key]
if Types::Actor.wrappable?(context.thing)
actor = Types::Actor.wrap(context.thing)
id = "#{context.feature_name}#{actor.value}"
# this is to support up to 3 decimal places in percentages
scaling_factor = 1_000
Zlib.crc32(id) % (100 * scaling_factor) < percentage * scaling_factor
else
false
end
end
def protects?(thing)
thing.is_a?(Types::PercentageOfActors)
end
end
end
end
Version data entries
46 entries across 46 versions & 1 rubygems