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Contents
module Krikri
##
# Provide a registry of defined items that can be looked up by a token
# symbol.
#
# Expected to be extended as needed within other modules.
# @see Krikri::Harvester::Registry
# @see Krikri::Mapper::Registry
#
class Registry
include Singleton
include Enumerable
attr_reader :items
delegate :each, :[], :[]=, to: :items
def initialize
@items = {}
end
class << self
def get(name)
raise "#{name} is not registered." unless registered? name
instance[name]
end
def register(name, item)
raise "#{name} is already registered." if registered? name
register!(name, item)
end
def register!(name, item)
instance[name] = item
end
def registered?(name)
instance.items.keys.include? name
end
def keys
instance.items.keys
end
end
end
end
Version data entries
54 entries across 54 versions & 1 rubygems