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# frozen_string_literal: true
module Gitlab
module Redis
class HLL
KEY_REGEX = %r{\A(\w|-|:)*\{\w*\}(\w|-|:)*\z}.freeze
KeyFormatError = Class.new(StandardError)
def self.count(params)
self.new.count(**params)
end
def self.add(params)
self.new.add(**params)
end
def count(keys:)
Gitlab::Redis::SharedState.with do |redis|
redis.pfcount(*keys)
end
end
# Check a basic format for the Redis key in order to ensure the keys are in the same hash slot
#
# Examples of keys
# project:{1}:set_a
# project:{1}:set_b
# project:{2}:set_c
# 2020-216-{project_action}
# i_{analytics}_dev_ops_score-2020-32
def add(key:, value:, expiry:)
unless KEY_REGEX.match?(key)
raise KeyFormatError.new("Invalid key format. #{key} key should have changeable parts in curly braces. See https://docs.gitlab.com/ee/development/redis.html#multi-key-commands")
end
Gitlab::Redis::SharedState.with do |redis|
redis.multi do |multi|
multi.pfadd(key, value)
multi.expire(key, expiry)
end
end
end
end
end
end
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