Class: Spark::Command::FlatMapValues

Inherits:
Object
  • Object
show all
Defined in:
lib/spark/command/pair.rb

Overview

FlatMapValues

Instance Method Summary collapse

Instance Method Details

#run(iterator) ⇒ Object 



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# File 'lib/spark/command/pair.rb', line 113

def run(iterator, *)
  iterator.map! do |(key, values)|
    values = @map_function.call(values)
    values.flatten!(1)
    values.map! do |value|
      [key, value]
    end
  end
  iterator.flatten!(1)
  iterator
end