From: "Matthew K. Williams" <matt@...>
Date: 2010-04-07T23:02:23+09:00
Subject: Re: modifying a Hash in one process when .each is running in another

On Wed, 7 Apr 2010, Nathan wrote:

> Thanks for the clarification... My application is network based, and
> some operations take several seconds. generate_list_of_objects takes
> anything between 2 and 15 seconds, so I wouldn't like to have my whole
> program on hold while that's happening. Each test process takes a few
> seconds too, so if the object is no longer on the list, it isn't a
> particularly bad thing if test tries to run, but it'll take up a lot
> of time unnecessarily.
>
> I'm trying to work out if there's another way of doing it then.
> Perhaps I'll modify the test method so that it knows if the current
> object is on the list, and only runs the test if it is.
> Nathan

Might a messaging queue work better?  That way you don't have the 
concurrency issues, as well as the issues with changing a hash in the 
middle of iteration.

Matt