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module Indexed
# An index category holds a exact and a partial index for a given category.
#
# For example an index category for names holds a exact and
# a partial index bundle for names.
#
class Category
attr_accessor :exact, :partial
attr_reader :identifier, :name
#
#
def initialize name, index, options = {}
@name = name
configuration = Configuration::Index.new index, self
@identifier = configuration.identifier
similarity = options[:similarity] || Cacher::Similarity::Default
@exact = options[:exact_index_bundle] || Bundle.new(:exact, configuration, similarity)
@partial = options[:partial_index_bundle] || Bundle.new(:partial, configuration, similarity)
@exact = exact_lambda.call(@exact, @partial) if exact_lambda = options[:exact_lambda]
@partial = partial_lambda.call(@exact, @partial) if partial_lambda = options[:partial_lambda]
# TODO Extract?
#
Query::Qualifiers.add(configuration.category_name, generate_qualifiers_from(options) || [name])
end
# TODO Move to Index.
#
def generate_qualifiers_from options
options[:qualifiers] || options[:qualifier] && [options[:qualifier]]
end
# Loads the index from cache.
#
def load_from_cache
timed_exclaim "Loading index #{identifier}."
exact.load
partial.load
end
# Gets the weight for this token's text.
#
def weight token
bundle_for(token).weight token.text
end
# Gets the ids for this token's text.
#
def ids token
bundle_for(token).ids token.text
end
# Returns the right index bundle for this token.
#
def bundle_for token
token.partial? ? partial : exact
end
#
#
def combination_for token
weight(token) && ::Query::Combination.new(token, self)
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems