/usr/lib/ruby/vendor_ruby/moneta/adapters/tokyocabinet.rb is in ruby-moneta 0.7.20-2.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | require 'tokyocabinet'
module Moneta
module Adapters
# TokyoCabinet backend
# @api public
class TokyoCabinet < Memory
# @param [Hash] options
# @option options [String] :file Database file
# @option options [Symbol] :type (:hdb) Database type (:bdb and :hdb possible)
# @option options [::TokyoCabinet::*DB] :backend Use existing backend instance
def initialize(options = {})
if options[:backend]
@backend = options[:backend]
else
raise ArgumentError, 'Option :file is required' unless options[:file]
if options[:type] == :bdb
@backend = ::TokyoCabinet::BDB.new
@backend.open(options[:file], ::TokyoCabinet::BDB::OWRITER | ::TokyoCabinet::BDB::OCREAT)
else
@backend = ::TokyoCabinet::HDB.new
@backend.open(options[:file], ::TokyoCabinet::HDB::OWRITER | ::TokyoCabinet::HDB::OCREAT)
end or raise @backend.errmsg(@backend.ecode)
end
end
# (see Proxy#delete)
def delete(key, options = {})
value = load(key, options)
if value
@backend.delete(key)
value
end
end
# (see Proxy#create)
def create(key, value, options = {})
@backend.putkeep(key, value)
end
# (see Proxy#close)
def close
@backend.close
nil
end
end
end
end
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