/usr/lib/ruby/vendor_ruby/moneta/adapters/riak.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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | require 'riak'
module Moneta
module Adapters
# Riak backend
# @api public
# @author Potapov Sergey (aka Blake)
class Riak
include Defaults
attr_reader :backend
# @param [Hash] options
# @option options [String] :bucket ('moneta') Bucket name
# @option options [String] :content_type ('application/octet-stream') Default content type
# @option options All other options passed to `Riak::Client#new`
# @option options [::Riak::Client] :backend Use existing backend instance
def initialize(options = {})
bucket = options.delete(:bucket) || 'moneta'
@content_type = options.delete(:content_type) || 'application/octet-stream'
@backend = options[:backend] || ::Riak::Client.new(options)
@bucket = @backend.bucket(bucket)
end
# (see Proxy#key?)
def key?(key, options = {})
@bucket.exists?(key, options.dup)
end
# (see Proxy#load)
def load(key, options = {})
@bucket.get(key, options.dup).raw_data
rescue ::Riak::FailedRequest => ex
nil
end
# (see Proxy#delete)
def delete(key, options = {})
value = load(key, options)
@bucket.delete(key, options.dup)
value
end
# (see Proxy#store)
def store(key, value, options = {})
obj = ::Riak::RObject.new(@bucket, key)
obj.content_type = options[:content_type] || @content_type
obj.raw_data = value
obj.store(options.dup)
value
end
# (see Proxy#clear)
def clear(options = {})
@bucket.keys do |keys|
keys.each{ |key| @bucket.delete(key) }
end
self
end
end
end
end
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