/usr/lib/ruby/vendor_ruby/moneta/adapters/leveldb.rb is in ruby-moneta 0.7.20-2.2.
This file is owned by root:root, with mode 0o644.
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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 | require 'leveldb'
module Moneta
module Adapters
# LevelDB backend
# @api public
class LevelDB < Memory
# @param [Hash] options
# @option options [String] :dir - Database path
# @option options All other options passed to `LevelDB::DB#new`
# @option options [::LevelDB::DB] :backend Use existing backend instance
def initialize(options = {})
@backend = options[:backend] ||
begin
raise ArgumentError, 'Option :dir is required' unless options[:dir]
::LevelDB::DB.new(options[:dir])
end
end
# (see Proxy#key?)
def key?(key, options = {})
@backend.includes?(key)
end
# (see Proxy#clear)
def clear(options = {})
@backend.each {|k,v| delete(k, options) }
self
end
# (see Proxy#close)
def close
@backend.close
nil
end
end
end
end
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