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Contents
=begin
Copyright 2010-2014 Tasos Laskos <tasos.laskos@arachni-scanner.com>
This file is part of the Arachni Framework project and is subject to
redistribution and commercial restrictions. Please see the Arachni Framework
web site for more information on licensing and terms of use.
=end
require_relative '../cache'
module Arachni
module Support::LookUp
# Opposite of Bloom a filter, ergo Moolb.
#
# Basically a cache used for look-up operations.
#
# @author Tasos "Zapotek" Laskos <tasos.laskos@arachni-scanner.com>
class Moolb < Base
DEFAULT_OPTIONS = {
strategy: Support::Cache::RandomReplacement,
max_size: 100_000
}
# @param [Hash] options
# @option options [Support::Cache::Base] :strategy (Support::Cache::RandomReplacement)
# Sets the type of cache to use.
#
# @option options [Integer] :max_size (100_000)
# Maximum size of the cache.
#
# @see DEFAULT_OPTIONS
def initialize( options = {} )
super( options )
@options.merge!( DEFAULT_OPTIONS.merge( options ) )
@collection = @options[:strategy].new( @options[:max_size] )
end
# @param [#persistent_hash] item
# Item to insert.
#
# @return [HashSet]
# `self`
def <<( item )
@collection[calculate_hash( item )] = true
self
end
alias :add :<<
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems