From: Eric Hodel <drbrain@...7.net>
Date: 2007-07-31T08:54:56+09:00
Subject: Re: Append (<<) to Array attributes of DRb objects?

On Jul 30, 2007, at 13:35, Jay McGavren wrote:

> On Jul 30, 8:33 am, "Chris Carter" <cdcar...@gmail.com> wrote:
>> You should probably just extend the array with DRbUndumped, that will
>> (IIRC) speed up the appending, and allow << to work properly.
>
> Thusly, yes?
>
> Server:
>
> 	require 'drb'
> 	class UndumpedArray < Array
> 		include DRbUndumped
> 	end
> 	class TestServer
> 		attr_accessor :items
> 		def initialize
> 			@items = UndumpedArray.new

Get rid of UndumpedArray.

@items = Array.new
@items.extend DRbUndumped

> 		end
> 		def add
> 			sum = 0
> 			@items.each {|item| sum += item}
> 			sum
> 		end
> 	end
> 	server = TestServer.new
> 	DRb.start_service('druby://localhost:9000', server)
> 	DRb.thread.join
>
> Client:
>
> 	require 'drb'
> 	DRb.start_service()
> 	obj = DRbObject.new(nil, 'druby://localhost:9000')
> 	obj.items << 1
> 	obj.items << 2
> 	puts obj.add #Gives '3'.
>
> Seems to work pretty well.  DRbUndumped may be the solution to my
> concerns about network overhead as well.
>
> Thanks to everyone for the assistance!
>
> -Jay
>

--
Poor workers blame their tools. Good workers build better tools. The
best workers get their tools to do the work for them. -- Syndicate Wars