From: Alexey Petrushin <axyd80@...>
Date: 2008-04-17T20:18:55+09:00
Subject: Ruby ObjectDatabase is there any?

Is there a real working Object Database(not ORM) written in Ruby or
stable adapter to non-Ruby one?

I goggled for Ruby Object Database and found some projects, but haven't
found any real working solution.
Mainly they just serialize objects and write it to disk with id. Not
much usable.
Also i found project trying to create adapter for db4o, but it's in
pre-alpha.

Maybe i missed something? Really hope i did :)

What i mean for real-working? As a sample pseudo code for the Java db4o
database (very base feature, there are also a lot of functions):

class List;
  attr_accessor :topics
end

class Topic
  attr_accessors :name, :text
end

list = List.new
list.topics << Topic.new('fist', 'bla-bla')
list.topics << Topic.new('second', 'bla-bla')

db.put list

prototype = Topic.new('first', nil) # Matcher for search
topics = db.get prototype # topics contains all found topics
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