Class: Sunspot::Query::CompositeFulltext

Inherits:
Object
  • Object
show all
Defined in:
lib/sunspot/query/composite_fulltext.rb

Direct Known Subclasses

Conjunction, Disjunction

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CompositeFulltext

Returns a new instance of CompositeFulltext.



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# File 'lib/sunspot/query/composite_fulltext.rb', line 4

def initialize
  @components = []
  @dismax = nil
end

Instance Method Details

#add_boost_function(function) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 20

def add_boost_function(function)
  @dismax ||= Dismax.new("*:*")
  @components << @dismax unless @components.include?(@dismax)
  @dismax.add_additive_boost_function(function)
end

#add_boost_query(factor) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 14

def add_boost_query(factor)
  @dismax ||= Dismax.new("*:*")
  @components << @dismax unless @components.include?(@dismax)
  @dismax.add_boost_query(factor)
end

#add_conjunction ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 47

def add_conjunction
  @components << conjunction = Conjunction.new
  conjunction
end

#add_disjunction ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 42

def add_disjunction
  @components << disjunction = Disjunction.new
  disjunction
end

#add_fulltext(keywords) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 9

def add_fulltext(keywords)
  @components << @dismax = Dismax.new(keywords)
  @dismax
end

#add_join(keywords, target, from, to) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 32

def add_join(keywords, target, from, to)
  @components << join = Join.new(keywords, target, from, to)
  join
end

#add_location(field, lat, lng, options) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 37

def add_location(field, lat, lng, options)
  @components << location = Geo.new(field, lat, lng, options)
  location
end

#add_multiplicative_boost_function(function) ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 26

def add_multiplicative_boost_function(function)
  @dismax ||= Dismax.new("*:*")
  @components << @dismax unless @components.include?(@dismax)
  @dismax.add_multiplicative_boost_function(function)
end

#to_params ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 52

def to_params
  if @components.length == 0
    {}
  elsif @components.length > 1 or @components.find { |c| c.is_a?(Join) }
    to_subquery.merge(:fl => '* score')
  else
    @components.first.to_params.merge(:fl => '* score')
  end
end

#to_subquery ⇒ Object 



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# File 'lib/sunspot/query/composite_fulltext.rb', line 62

def to_subquery
  return {} unless @components.any?

  params = @components.map(&:to_subquery).inject({:q => []}) do |res, subquery|
    res[:q] << subquery.delete(:q) if subquery[:q]
    res.merge(subquery)
  end

  params[:q] = params[:q].size > 1 ? "(#{params[:q].join(" #{connector} ")})" : params[:q].join
  params
end