Module: Archimate::DataModel::Comparison::ClassMethods

Defined in:
lib/archimate/data_model/comparison.rb

Defined Under Namespace

Classes: AttributeInfo

Instance Method Summary collapse

Instance Method Details

#attr_info ⇒ Object 



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# File 'lib/archimate/data_model/comparison.rb', line 149

def attr_info
  class_variable_defined?(:@@attr_info) ? class_variable_get(:@@attr_info) : {}
end

#attr_names ⇒ Object 



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# File 'lib/archimate/data_model/comparison.rb', line 145

def attr_names
  class_variable_defined?(:@@attr_names) ? class_variable_get(:@@attr_names) : []
end

#comparison_attr_paths ⇒ Object 



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# File 'lib/archimate/data_model/comparison.rb', line 153

def comparison_attr_paths
  class_variable_defined?(:@@comparison_attr_paths) ? class_variable_get(:@@comparison_attr_paths) : []
end

#model_attr(attr_sym, comparison_attr: nil, writable: false, default: :value_required, referenceable_list: false, also_reference: []) ⇒ Object

Define the reader method (or call model_attr) Append the attr_sym to the @@attrs for the class



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# File 'lib/archimate/data_model/comparison.rb', line 111

def model_attr(attr_sym, comparison_attr: nil, writable: false,
               default: :value_required, referenceable_list: false,
               also_reference: [])
  send(:attr_reader, attr_sym)
  attrs = attr_names << attr_sym
  class_variable_set(:@@attr_names, attrs.uniq)
  class_variable_set(
    :@@attr_info,
    attr_info.merge(attr_sym => AttributeInfo.new(
      comparison_attr, writable, default, referenceable_list, also_reference
    ))
  )
  if comparison_attr != :no_compare
    attrs = comparison_attr_paths << (comparison_attr ? [attr_sym, comparison_attr] : attr_sym)
    class_variable_set(:@@comparison_attr_paths, attrs.uniq)
  end
  return unless writable
  define_method("#{attr_sym}=".to_sym) do |val|
    instance_variable_set(:@hash_key, nil)
    old_val = instance_variable_get("@#{attr_sym}")
    if old_val.is_a?(ReferenceableList)
      old_val.replace_with(val)
    else
      old_val.remove_reference(self) if old_val.is_a?(Referenceable)
      instance_variable_set("@#{attr_sym}".to_sym, val)
      val.add_reference(self) if val.is_a?(Referenceable)
      also_reference.each do |ref_sym|
        ref = send(ref_sym)
        val.add_reference(ref) if ref && val
      end
    end
  end
end