Contents

=begin
    Copyright 2010-2013 Tasos Laskos <[e-mail]>

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
=end

module Arachni
module Support::Cache

#
# Least Recently Used cache implementation.
#
# Generally, the most desired mode under most circumstances.
# Discards the least recently used entries in order to make room for newer ones.
#
# @author Tasos "Zapotek" Laskos <[e-mail]>
#
class LeastRecentlyUsed < Base

    # @see Arachni::Cache::Base#[]
    def []( k )
        super( k )
    ensure
        renew( k )
    end

    private

    def renew( k )
        @cache[k] = @cache.delete( k )
    end

    def prune
        @cache.delete( @cache.first.first )
    end

end
end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
arachni-0.4.5.2	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.5.1	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.5	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.4	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.3.2	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.3.1	lib/arachni/support/cache/least_recently_used.rb
arachni-0.4.3	lib/arachni/support/cache/least_recently_used.rb