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Contents
module Proletariat
# Internal: Helper utility to parse and constantize strings into arrays of
# Worker classes.
module WorkerDescriptionParser
# Public: Parse given string into array of Worker classes.
#
# description - String to be parsed. Should contain comma-separated class
# names.
#
# Examples
#
# WorkerDescriptionParser.parse('FirstWorker,SecondWorker')
# # => [FirstWorker, SecondWorker]
#
# Returns an Array of Worker classes.
def self.parse(description)
description.split(',').map(&:strip).map do |string|
constantize string
end.compact
end
private
# Intenal: Performs constantizing of worker names into Classes.
#
# name - The name to be constantized.
#
# Returns the Worker class if valid.
# Returns the nil if Worker class cannot be found.
def self.constantize(name)
name.split('::').reduce(Object) { |a, e| a.const_get(e) }
rescue NameError => e
Proletariat.logger.warn "Missing worker class: #{e.name}"
nil
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems