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module Picky
module Query
# Describes the combination of a token (the text) and
# the index (the bundle): [text, index_bundle]
#
# A combination is a single part of an allocation:
# [..., [text2, index_bundle2], ...]
#
# An allocation consists of a number of combinations:
# [[text1, index_bundle1], [text2, index_bundle2], [text3, index_bundle1]]
#
class Combination # :nodoc:all
attr_reader :token,
:category
def initialize token, category
@token = token
@category = category
end
# Returns the category's name.
#
def category_name
@category_name ||= category.name
end
# Returns the weight of this combination.
#
# Note: Caching is most of the time useful.
#
def weight
@weight ||= category.weight(token)
end
# Returns an array of ids for the given text.
#
# Note: Caching is most of the time useful.
#
def ids
@ids ||= category.ids(token)
end
# The identifier for this combination.
#
def identifier
"#{category.bundle_for(token).identifier}:#{token.identifier}"
end
# Note: Required for uniq!
#
# TODO Ok with category or is the bundle needed?
#
def hash
[token.to_s, category].hash
end
# Combines the category names with the original names.
# [
# [:title, 'Flarbl', :flarbl],
# [:category, 'Gnorf', :gnorf]
# ]
#
def to_result
[category_name, *token.to_result]
end
# Example:
# "exact title:Peter*:peter"
#
def to_s
"#{category.bundle_for(token).identifier} #{to_result.join(':')}"
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems