Class: Factbase::IndexedAbsent

Inherits:
Object
  • Object
show all
Defined in:
lib/factbase/indexed/indexed_absent.rb

Overview

Indexed term ‘absent’.

Instance Method Summary collapse

Constructor Details

#initialize(term, idx) ⇒ IndexedAbsent

Returns a new instance of IndexedAbsent.



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# File 'lib/factbase/indexed/indexed_absent.rb', line 8

def initialize(term, idx)
  @term = term
  @idx = idx
end

Instance Method Details

#predict(maps, _fb, _params) ⇒ Object 



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# File 'lib/factbase/indexed/indexed_absent.rb', line 13

def predict(maps, _fb, _params)
  prop = @term.operands[0].to_s
  key = [maps.object_id, prop, @term.op]
  @idx[key] ||= { facts: [], count: 0 }
  entry = @idx[key]
  _feed(maps.to_a, entry, prop)
  maps.respond_to?(:repack) ? maps.repack(entry[:facts]) : entry[:facts]
end