/
couch.rb
executable file
·63 lines (53 loc) · 1.24 KB
/
couch.rb
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begin
require "couchrest"
rescue LoadError
puts "You need the couchrest gem to use the CouchDB store"
exit
end
module Moneta
class Couch
include Defaults
def initialize(options = {})
@db = ::CouchRest.database!(options[:db])
unless options[:skip_expires]
@expiration = Moneta::Couch.new(:db => "#{options[:db]}_expiration", :skip_expires => true)
self.extend(StringExpires)
end
end
def key?(key)
!self[key].nil?
rescue RestClient::ResourceNotFound
false
end
alias has_key? key?
def [](key)
@db.get(key)["data"]
rescue RestClient::ResourceNotFound
nil
end
def []=(key, value)
@db.save_doc("_id" => key, :data => value)
rescue RestClient::RequestFailed
self[key]
end
def delete(key)
value = @db.get(key)
@db.delete_doc({"_id" => value["_id"], "_rev" => value["_rev"]}) if value
value["data"]
rescue RestClient::ResourceNotFound
nil
end
def update_key(key, options = {})
val = self[key]
self.store(key, val, options)
rescue RestClient::ResourceNotFound
nil
end
def clear
@db.recreate!
end
def delete_store
@db.delete!
end
end
end