Class: TrajectPlus::Indexer::ComposeStep

Inherits:
ToFieldStep
  • Object
show all
Defined in:
lib/traject_plus/indexer/step.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ToFieldStep

add_accumulator_to_context!, #add_accumulator_to_context!, #single?, #to_field_step?

Constructor Details

#initialize(fieldname, lambda, block, source_location, indexer) ⇒ ComposeStep

Returns a new instance of ComposeStep.



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# File 'lib/traject_plus/indexer/step.rb', line 41

def initialize(fieldname, lambda, block, source_location, indexer)
  @indexer             = indexer
  self.field_name      = fieldname
  self.lambda          = lambda
  self.block           = block
  self.source_location = source_location
end

Instance Attribute Details

#indexer ⇒ Object (readonly)

Returns the value of attribute indexer.



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# File 'lib/traject_plus/indexer/step.rb', line 39

def indexer
  @indexer
end

Instance Method Details

#execute(context) ⇒ Object 



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# File 'lib/traject_plus/indexer/step.rb', line 49

def execute(context)
  accumulator = []
  if lambda
    lambda.call(context.source_record, accumulator, context)
  else
    accumulator << context.source_record
  end

  accumulator.map do |record|
    result = indexer.map_record(record)

    if field_name
      self.class.add_accumulator_to_context! self, field_name, [result], context
    else
      result.each do |k, v|
        self.class.add_accumulator_to_context! self, k, Array(v), context
      end
    end
  end
end