Module: Train::Options::InstanceOptions

Defined in:
lib/train/options.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#options ⇒ Hash (readonly)

Returns options, which created this Transport.

Returns:

  • (Hash) —

    options, which created this Transport



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# File 'lib/train/options.rb', line 48

def options
  @options
end

Instance Method Details

#default_options ⇒ Object 



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# File 'lib/train/options.rb', line 50

def default_options
  self.class.default_options
end

#merge_options(base, opts) ⇒ Object 



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# File 'lib/train/options.rb', line 54

def merge_options(base, opts)
  res = base.merge(opts || {})
  default_options.each do |field, hm|
    next unless res[field].nil? && hm.key?(:default)

    default = hm[:default]
    if default.is_a? Proc
      res[field] = default.call(res)
    elsif hm.key?(:coerce)
      field_value = hm[:coerce].call(res)
      res[field] = field_value.nil? ? default : field_value
    else
      res[field] = default
    end
  end
  res
end

#validate_options(opts) ⇒ Object 



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# File 'lib/train/options.rb', line 72

def validate_options(opts)
  default_options.each do |field, hm|
    if opts[field].nil? && hm[:required]
      raise Train::ClientError,
        "You must provide a value for #{field.to_s.inspect}."
    end
  end
  opts
end