Class: Ferret::Search::FilteredQuery::FilteredWeight

Inherits:
Weight
  • Object
show all
Defined in:
lib/ferret/search/filtered_query.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(query, sub_weight, similarity) ⇒ FilteredWeight

Returns a new instance of FilteredWeight.



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# File 'lib/ferret/search/filtered_query.rb', line 64

def initialize(query, sub_weight, similarity)
  @query = query
  @sub_weight = sub_weight
  @similarity = similarity
end

Instance Attribute Details

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/ferret/search/filtered_query.rb', line 62

def query
  @query
end

Instance Method Details

#explain(ir, i) ⇒ Object 



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# File 'lib/ferret/search/filtered_query.rb', line 83

def explain(ir, i)
  return @sub_weight.explain(ir, i)
end

#normalize(v) ⇒ Object 



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# File 'lib/ferret/search/filtered_query.rb', line 79

def normalize(v)
  return @sub_weight.normalize(v)
end

#scorer(reader) ⇒ Object

return a scorer that overrides the enclosed query’s score if the given hit has been filtered out.



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# File 'lib/ferret/search/filtered_query.rb', line 89

def scorer(reader)
  scorer = @sub_weight.scorer(reader)
  bits = @query.filter.bits(reader)
  return FilteredScorer.new(scorer, bits, @similarity) 
end

#sum_of_squared_weights ⇒ Object 



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# File 'lib/ferret/search/filtered_query.rb', line 75

def sum_of_squared_weights()
  return @sub_weight.sum_of_squared_weights
end

#value ⇒ Object

pass these methods through to enclosed query’s weight



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# File 'lib/ferret/search/filtered_query.rb', line 71

def value()
  return @sub_weight.value
end