/usr/lib/ruby/vendor_ruby/moneta/adapters/pstore.rb is in ruby-moneta 0.7.20-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | require 'pstore'
require 'fileutils'
module Moneta
module Adapters
# PStore backend
# @api public
class PStore
include Defaults
supports :create, :increment
attr_reader :backend
# @param [Hash] options
# @option options [String] :file PStore file
# @option options [::PStore] :backend Use existing backend instance
def initialize(options = {})
@backend = options[:backend] ||
begin
raise ArgumentError, 'Option :file is required' unless options[:file]
FileUtils.mkpath(::File.dirname(options[:file]))
new_store(options)
end
end
# (see Proxy#key?)
def key?(key, options = {})
@backend.transaction(true) { @backend.root?(key) }
end
# (see Proxy#load)
def load(key, options = {})
@backend.transaction(true) { @backend[key] }
end
# (see Proxy#store)
def store(key, value, options = {})
@backend.transaction { @backend[key] = value }
end
# (see Proxy#delete)
def delete(key, options = {})
@backend.transaction { @backend.delete(key) }
end
# (see Proxy#increment)
def increment(key, amount = 1, options = {})
@backend.transaction do
value = Utils.to_int(@backend[key]) + amount
@backend[key] = value.to_s
value
end
end
# (see Proxy#create)
def create(key, value, options = {})
@backend.transaction do
if @backend.root?(key)
false
else
@backend[key] = value
true
end
end
end
# (see Proxy#clear)
def clear(options = {})
@backend.transaction do
@backend.roots.each do |key|
@backend.delete(key)
end
end
self
end
protected
def new_store(options)
if RUBY_VERSION > '1.9'
::PStore.new(options[:file], options[:threadsafe])
else
::PStore.new(options[:file])
end
end
end
end
end
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