From: Thomas Adam <thomas_adam16@...>
Date: 2004-03-24T01:09:11+09:00
Subject: Re: How to avoid duplicate object creations?

 --- Stig Sandbeck Mathisen <ssm@fnord.no> wrote: 
> 
> I have a program that will create a lot of objects, mainly of type
> SomeDocumentation::Host and SomeDocumentation::Role.
> 
> Since the Role objects typically create a lot of Host objects, and the
> other way around, I tried to be clever, and look up objects that
> already exists with the same value of "name", since the initialize
> reads a bit from disk.
> 
> I've tried tried to solve it with the following code snippet:
> 
>   def initialize(name)
> 
>     ObjectSpace.each_object(self.class) do |anObject|
>       return anObject if anObject.name == name
>     end
> 
>     <do the real initialization, since we do not have an object with
>     the same .name attribute/method/whatever yet>
> 
>   end

You might be able to use the "freeze" method from the Object class.

-- Thomas Adam

=====
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"<shrug> We'll just save up your sins, Thomas, and punish 
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