Sha256: 01e0ac081109b7fc327329e8ae89121c162840967f98560ac5be9095f78aa064
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Versions: 14
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Contents
require 'kyotocabinet'
module Moneta
module Adapters
# KyotoCabinet backend
# @api public
class KyotoCabinet < Memory
# @param [Hash] options
# @option options [String] :file Database file
# @option options [::KyotoCabinet::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]
@backend = ::KyotoCabinet::DB.new
raise @backend.error.to_s unless @backend.open(options[:file],
::KyotoCabinet::DB::OWRITER | ::KyotoCabinet::DB::OCREATE)
end
end
# (see Proxy#key?)
def key?(key, options = {})
@backend.check(key) >= 0
end
# (see Proxy#delete)
def delete(key, options = {})
@backend.seize(key)
end
# (see Proxy#create)
def create(key, value, options = {})
@backend.add(key, value)
end
# (see Proxy#close)
def close
@backend.close
nil
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems