#64 ✓resolved
jho406 (at gmail)

Child classes should have a relationship of their own.

Reported by jho406 (at gmail) | August 6th, 2009 @ 03:30 AM | in 0.3.3

In addition to the "root_class" relationship, I think child classes should have a relationship of its' own from the index node. This way the reindexer "all" method can be changed such that it would return all nodes of the corresponding "class" rather than "root_class"

So in this example from the documentation:

  require 'neo4j/extensions/reindexer'

  class Car
    include Neo4j::Node
    property :wheels

  class Volvo < Car

  v = Volvo.new
  c = Car.new

  Car.all   # will return all relationships from the index node to car objects
  Volvo.all # will return the same as Car.all

  Car.all.nodes    # => [c,v]
  Volvo.all.nodes  # => [c,v]

I thought that it would make more sense if this happened:

  Volvo.all.nodes  # => [v]


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Neo4j.rb is a graph database framework for JRuby.

It provides:

* Mapping of ruby objects to nodes in networks rather than in tables.
* Storage of ruby object to a file system.
* Fast traversal of relationships between nodes in a hugh node space.
* Transaction with rollbacks support.
* Indexing and quering of ruby objects.
* Integration with Rails

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