class PDC::Resource::Associations::Builder
Public Class Methods
new(parent_class, name, type, options = {})
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# File lib/pdc/resource/associations/builder.rb, line 6 def initialize(parent_class, name, type, options = {}) @parent_class = parent_class @name = name @type = type @options = options end
Public Instance Methods
build(parent)
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# File lib/pdc/resource/associations/builder.rb, line 13 def build(parent) @type.new(klass, parent, @name, @options) end
klass()
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# File lib/pdc/resource/associations/builder.rb, line 17 def klass @klass ||= custom_class || compute_class(@name) end
Private Instance Methods
compute_class(type_name)
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Compute class if no custom class name provided. Referencing the codes from rails in following link: github.com/rails/rails/blob/70ac072976c8cc6f013f0df3777e54ccae3f4f8c/activerecord/lib/active_record/inheritance.rb#L132-L150
# File lib/pdc/resource/associations/builder.rb, line 30 def compute_class(type_name) parent_name = @parent_class.to_s type_name = type_name.to_s.classify candidates = [] parent_name.scan(/::|$/) { candidates.unshift "#{$`}::#{type_name}" } candidates << type_name candidates.each do |candidate| constant = ActiveSupport::Dependencies.safe_constantize(candidate) return constant if candidate == constant.to_s end raise NameError.new("uninitialized constant #{candidates.first}", candidates.first) end
custom_class()
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# File lib/pdc/resource/associations/builder.rb, line 23 def custom_class @options[:class_name].constantize if @options[:class_name] end