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module Query
# Describes the combination of a token (the text) and
# the index (the bundle).
#
# A combination is a single part of an allocation.
#
# An allocation consists of a number of combinations.
#
class Combination
attr_reader :token, :bundle, :category_name
def initialize token, category
@token = token
@category_name = category.name
@bundle = category.bundle_for token
@text = @token.text # don't want to use reset_similar already
end
# Note: Required for uniq!
#
def hash
[@token.to_s, @bundle].hash
end
# Returns the weight of this combination.
#
# TODO Really cache?
#
def weight
@weight ||= @bundle.weight(@text)
end
# Returns an array of ids for the given text.
#
# TODO Really cache?
#
def ids
@ids ||= @bundle.ids(@text)
end
# The identifier for this combination.
#
def identifier
@category_name
end
# Is the identifier in the given identifiers?
#
def in? identifiers
identifiers.include? identifier
end
# Combines the category names with the original names.
# [
# [:title, 'Flarbl', :flarbl],
# [:category, 'Gnorf', :gnorf]
# ]
#
def to_result
[identifier, *@token.to_result]
end
# Example:
# "exact title:Peter*:peter"
#
def to_s
"#{bundle.identifier} #{to_result.join(':')}"
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems