Class: RubyReduce::Reduce

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_reduce/reduce.rb

Instance Method Summary collapse

Constructor Details

#initialize(map_result, reduce) ⇒ Reduce

Returns a new instance of Reduce.



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# File 'lib/ruby_reduce/reduce.rb', line 3

def initialize(map_result, reduce)
  @map_result = map_result
  @reduce = reduce

  @result = {}
end

Instance Method Details

#emit(result) ⇒ Object 



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# File 'lib/ruby_reduce/reduce.rb', line 10

def emit(result)
  @result[@current_key] ||= []
  @result[@current_key] << result
end

#reduce ⇒ Object 



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# File 'lib/ruby_reduce/reduce.rb', line 15

def reduce
  @map_result.each do |key, values|
    @current_key = key
    values.each do |value|
      instance_exec value, &@reduce
    end
  end

  @result
end