Module: CloudFormer::HasPropertiesAndAttributes::ClassMethods

Defined in:
lib/cloud_former/has_properties_and_attributes.rb

Instance Method Summary collapse

Instance Method Details

#aws_attribute(name, options = {}) ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 16

def aws_attribute(name, options={})
  @aws_attributes ||= []
  @aws_attributes << PropertyOrAttribute.new(name, options)
  make_aws_accessor(name, options)
end

#aws_attributes ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 92

def aws_attributes
  answer = []
  if defined?(@aws_attributes)
    answer = @aws_attributes
  end
  if superclass && superclass.respond_to?(:aws_attributes)
    answer += superclass.aws_attributes
  end
  answer
end

#aws_properties ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 81

def aws_properties
  answer = []
  if defined?(@aws_properties)
    answer = @aws_properties
  end
  if superclass && superclass.respond_to?(:aws_properties)
    answer += superclass.aws_properties 
  end
  answer
end

#aws_property(name, options = {}) ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 10

def aws_property(name, options={})
  @aws_properties ||= []
  @aws_properties << PropertyOrAttribute.new(name, options)
  make_aws_accessor(name, options)
end

#check_type_of_aws_value(val, options) ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 22

def check_type_of_aws_value(val, options)
  if !val.is_a?(options[:type])
    failed = true
    if options[:type] == String
      if val.is_a?(Fixnum)
        failed = false
      elsif val.respond_to?(:acts_as_string?) && val.acts_as_string?
        failed = false
      end
    end

    if val.is_a?(Parameter) || val.is_a?(Resource)
      failed = false
    end

    if options[:type] == Boolean && val == true || val == false
      failed = false
    end

    if failed
      raise ArgumentError.new(
        "A #{options[:type].name} is required for #{name} in #{self.name}, but a #{val.class.name} was given."
      )
    end
  end
end

#make_aws_accessor(name, options) ⇒ Object 



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# File 'lib/cloud_former/has_properties_and_attributes.rb', line 49

def make_aws_accessor(name, options)
  define_method(name) do |val=nil|
    if val
      if options[:list] && !val.respond_to?(:each)
        unless val.respond_to?(:acts_as_list?) && val.acts_as_list?
          raise ArgumentError.new(
            "A list is required for #{name} in #{self.class.name}, but a #{val.class.name} was given."
          )
        end
      end

      if options[:list]
        unless val.respond_to?(:acts_as_list?) && val.acts_as_list?
          val.each do |item|
            self.class.check_type_of_aws_value(item, options)
          end
        end
      else
        self.class.check_type_of_aws_value(val, options)
      end

      instance_variable_set("@#{name}", val)
    end

    if instance_variable_defined?("@#{name}")
      instance_variable_get("@#{name}")
    else
      nil
    end
  end
end