Class: Queries::FunctionScoreQueryBuilder::FilterFunctionBuilder

Inherits:
Object
  • Object
show all
Includes:
AttributesReader
Defined in:
lib/queries/function_score_query_builder.rb

Overview

Function to be associated with an optional filter, meaning it will be executed only for the documents that match the given filter.

Instance Method Summary collapse

Methods included from AttributesReader

#attributes

Constructor Details

#initialize(filter: nil, score_function: nil) ⇒ FilterFunctionBuilder

@params:

filter: filter to select the documents
weight: weight to be multiplied to function score before combining
score_function: function for scoring matching documents



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# File 'lib/queries/function_score_query_builder.rb', line 129

def initialize filter: nil, score_function: nil
  @filter = filter
  @score_builder = score_function
end

Instance Method Details

#filter_expr ⇒ Object

Filter Query ########## returns filter query of the given filter function builder object



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# File 'lib/queries/function_score_query_builder.rb', line 145

def filter_expr
  return @filter
end

#query ⇒ Object 



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# File 'lib/queries/function_score_query_builder.rb', line 134

def query
  query = {}
  query[:filter] = @filter.query if @filter.present?
  query[:weight] = @weight if @weight.present?
  query.merge!(@score_builder.query) if @score_builder.present?
  return query
end

#score_function_expr ⇒ Object

Score Function ########## returns score function of the given filter function builder object



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# File 'lib/queries/function_score_query_builder.rb', line 152

def score_function_expr
  return @score_builder
end

#weight(value) ⇒ Object

sets the weight for the filter function



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# File 'lib/queries/function_score_query_builder.rb', line 163

def weight value
  @weight = value.to_f
  return self
end

#weight_expr ⇒ Object

Multiplicative Weight ########## returns the weight for the filter function



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# File 'lib/queries/function_score_query_builder.rb', line 159

def weight_expr
  return @weight
end