#-- # Copyright (c) 2009, John Mettraux, jmettraux@gmail.com # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # # Made in Japan. #++ require 'tokyotyrant' require 'rufus/edo/error' require 'rufus/edo/tabcore' require 'rufus/tokyo/ttcommons' module Rufus::Edo # # A Tokyo Cabinet table, but remote... # # require 'rufus/edo/ntyrant' # t = Rufus::Edo::NetTyrant.new('127.0.0.1', 44001) # t['toto'] = { 'name' => 'toto the first', 'age' => '34' } # t['toto'] # # => { 'name' => 'toto the first', 'age' => '34' } # # NOTE : The advantage of this class is that it leverages the TokyoTyrant.rb # provided by Hirabayashi-san. It's pure Ruby, it's slow but works everywhere # without the need for Tokyo Cabinet and Tyrant C libraries. # class NetTyrantTable include Rufus::Edo::TableCore include Rufus::Tokyo::TyrantCommons attr_reader :host, :port # # Connects to the Tyrant table listening at the given host and port. # # You start such a Tyrant with : # # ttserver -port 44502 data.tct # # and then : # # require 'rufus/edo/ntyrant' # t = Rufus::Edo::NetTyrantTable.new('127.0.0.1', 44502) # t['client0'] = { 'name' => 'Heike no Kyomori', 'country' => 'jp' } # t.close # # # You can start a Tokyo Tyrant and make it listen to a unix socket (not TCP) # with : # # ttserver -host /tmp/table_socket -port 0 data.tct # # then : # # require 'rufus/edo/ntyrant' # t = Rufus::Edo::NetTyrantTable.new('/tmp/table_socket') # t['client0'] = { 'name' => 'Theodore Roosevelt', 'country' => 'usa' } # t.close # def initialize (host, port=0) @host = host @port = port @db = TokyoTyrant::RDBTBL.new @db.open(host, port) || raise_error if self.stat['type'] != 'table' @db.close raise ArgumentError.new( "tyrant at #{host}:#{port} is not a table, " + "use Rufus::Edo::NetTyrant instead to access it.") end end # Gets multiple records in one sweep. # def lget (keys) h = keys.inject({}) { |h, k| h[k] = nil; h } r = @db.mget(h) raise 'lget failure' if r == -1 h end def transaction #:nodoc# raise NoMethodError.new("NetTyrant : transactions not supported") end def abort #:nodoc# raise NoMethodError.new("NetTyrant : transactions not supported") end def tranbegin #:nodoc# raise NoMethodError.new("NetTyrant : transactions not supported") end def trancommit #:nodoc# raise NoMethodError.new("NetTyrant : transactions not supported") end def tranabort #:nodoc# raise NoMethodError.new("NetTyrant : transactions not supported") end protected def table_query_class #:nodoc# TokyoTyrant::RDBQRY end def do_stat #:nodoc# @db.stat end end end