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Contents
require 'miasma'
module Miasma
module Utils
# Make best effort to make model immutable
# @note this should be included at end of model definition
module Immutable
# Freezes underlying data hash
def frozen_valid_state(*args)
unfrozen_valid_state(*args)
data.freeze
dirty.freeze
self
end
# @raises [Error::ImmutableError]
def save
raise Error::ImmutableError.new 'Resource information cannot be mutated!'
end
class << self
def included(klass)
klass.class_eval do
alias_method :unfrozen_valid_state, :valid_state
alias_method :valid_state, :frozen_valid_state
end
end
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems