From: Brian Candler <b.candler@...>
Date: 2009-11-26T19:30:57+09:00
Subject: Re: DRB class in array

Master Marv wrote:
> if a client modifies the status variable of a class instance in the
> array it does not get changed.
> 
> dump = DRbObject.new nil, ARGV.shift
> myclass = IEB_wrapper1.new
> dump.push myclass
> dump[0].status = "Hello"
> p dump[0].status => results in "ready" not in "Hello"
> 
> how can i modify the status of my class in the array on the drb server?

class IEB_wrapper1
  include DRbUndumped
end

This means that instead of passing across a *copy* of the object (made 
using Marshal.dump and load), it will pass across a DRb *proxy object*. 
All operations made on that proxy are sent across as remote method calls 
and therefore made on the server.

I wrote a document called "DrbTutorial" on rubygarden.org, which 
unfortunately is long since gone. You might be able to find a cached 
copy somewhere.
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