Class: Embulk::Input::Elasticsearch::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/embulk/input/elasticsearch/converter.rb

Class Method Summary collapse

Class Method Details

.convert_value(value, field) ⇒ Object 



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# File 'lib/embulk/input/elasticsearch/converter.rb', line 16

def self.convert_value(value, field)
  return nil if value.nil?
  case field["type"]
  when "string"
    value
  when "long"
    value.to_i
  when "double"
    value.to_f
  when "boolean"
    if value.is_a?(TrueClass) || value.is_a?(FalseClass)
      value
    else
      downcased_val = value.downcase
      case downcased_val
      when 'true' then true
      when 'false' then false
      when '1' then true
      when '0' then false
      else nil
      end
    end
  when "timestamp"
    Time.parse(value)
  when "json"
    value
  else
    raise Elasticsearch::TypecastError.new "Unsupported type #{field['type']}"
  end
end

.get_sources(results, fields) ⇒ Object 



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# File 'lib/embulk/input/elasticsearch/converter.rb', line 5

def self.get_sources(results, fields)
  hits = results['hits']['hits']
  hits.map { |hit|
    result = hit['_source']
    fields.map { |field|
      value = field['metadata'] ? hit[field['name']] : result[field['name']]
      convert_value(value, field)
    }
  }
end