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Versions: 6
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Contents
# frozen_string_literal: true
require 'noid'
module Noid
module Rails
module Minter
# @abstract the base class for minters
class Base < ::Noid::Minter
##
# @param template [#to_s] a NOID template
# @see Noid::Template
def initialize(template = default_template)
super(template: template.to_s)
end
##
# Sychronously mint a new identifier.
#
# @return [String] the minted identifier
def mint
Mutex.new.synchronize do
loop do
pid = next_id
return pid unless identifier_in_use?(pid)
end
end
end
##
# @return [Hash{Symbol => String, Object}] representation of the current minter state
def read
raise NotImplementedError, 'Implement #read in child class'
end
##
# Updates the minter state to that of the `minter` parameter.
#
# @param minter [Minter::Base]
# @return [void]
def write!(_)
raise NotImplementedError, 'Implement #write! in child class'
end
private
def identifier_in_use?(id)
Noid::Rails.config.identifier_in_use.call(id)
end
##
# @return [#to_s] the default template for this
def default_template
Noid::Rails.config.template
end
##
# @return [String] a new identifier
def next_id
raise NotImplementedError, 'Implement #next_id in child class'
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems