Class: FastJsonapi::MultiToJson::Result

Inherits:
Object
  • Object
show all
Defined in:
lib/fast_jsonapi/multi_to_json.rb

Overview

Result object pattern is from johnnunemaker.com/resilience-in-ruby/ e.g. github.com/github/github-ds/blob/fbda5389711edfb4c10b6c6bad19311dfcb1bac1/lib/github/result.rb

Instance Method Summary collapse

Constructor Details

#initialize(*rescued_exceptions) ⇒ Result

Returns a new instance of Result.



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# File 'lib/fast_jsonapi/multi_to_json.rb', line 16

def initialize(*rescued_exceptions)
  @rescued_exceptions = if rescued_exceptions.empty?
    [StandardError]
  else
    rescued_exceptions
  end

  @value = yield
  @error = nil
rescue *rescued_exceptions => e
  @error = e
end

Instance Method Details

#ok? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fast_jsonapi/multi_to_json.rb', line 29

def ok?
  @error.nil?
end

#rescue ⇒ Object 



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# File 'lib/fast_jsonapi/multi_to_json.rb', line 41

def rescue
  return self if ok?

  Result.new(*@rescued_exceptions) { yield(@error) }
end

#value! ⇒ Object 



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# File 'lib/fast_jsonapi/multi_to_json.rb', line 33

def value!
  if ok?
    @value
  else
    raise @error
  end
end