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Contents
module Picky
module Query
# Combinations are a number of Combination-s.
#
# They are the core of an allocation.
# An allocation consists of a number of combinations.
#
# Base Combinations contain methods for calculating score and ids.
#
class Combinations # :nodoc:all
attr_reader :combinations
delegate :empty?,
:inject,
:to => :@combinations
def initialize combinations = []
@combinations = combinations
end
def hash
@combinations.hash
end
def score
@combinations.sum &:weight
end
def boost_for weights
weights.boost_for @combinations
end
# Filters the tokens and categories such that categories
# that are passed in, are removed.
#
# Note: This method is not totally independent of the calculate_ids one.
# Since identifiers are only nullified, we need to not include the
# ids that have an associated identifier that is nil.
#
def remove categories = []
@combinations.reject! { |combination| categories.include?(combination.category) }
end
#
#
def to_result
@combinations.map &:to_result
end
#
#
def to_s
@combinations.to_s
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems