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Contents
require 'multi_json'
# OkJson won't work because it doesn't serialize symbols
# in the same way yajl and json do.
if MultiJson.engine.to_s == 'MultiJson::Engines::OkJson'
raise "Please install the yajl-ruby or json gem"
end
module Resque
# Methods used by various classes in Resque.
module Helpers
class DecodeException < StandardError; end
# Direct access to the Redis instance.
def redis
Resque.redis
end
# Given a Ruby object, returns a string suitable for storage in a
# queue.
def encode(object)
::MultiJson.encode(object)
end
# Given a string, returns a Ruby object.
def decode(object)
return unless object
begin
::MultiJson.decode(object)
rescue ::MultiJson::DecodeError => e
raise DecodeException, e
end
end
# Given a word with dashes, returns a camel cased version of it.
#
# classify('job-name') # => 'JobName'
def classify(dashed_word)
dashed_word.split('-').each { |part| part[0] = part[0].chr.upcase }.join
end
# Given a camel cased word, returns the constant it represents
#
# constantize('JobName') # => JobName
def constantize(camel_cased_word)
camel_cased_word = camel_cased_word.to_s
if camel_cased_word.include?('-')
camel_cased_word = classify(camel_cased_word)
end
names = camel_cased_word.split('::')
names.shift if names.empty? || names.first.empty?
constant = Object
names.each do |name|
constant = constant.const_get(name) || constant.const_missing(name)
end
constant
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems