Map objects returned from Neo4j graph traversals using the Ruby Object Mapper toolkit.
Install with Rubygems:
Or add the dependency to your Gemfile:
Right now, the fastest way to get started is to run the tests.
You’ll need to have Neo4j installed on your system. If it’s not already running, start the database server with:
To load the sample movies graph, go to http://localhost:7474/browser/ and click through the instructions or type :play movie graph in the console to start.
Once the movies graph is loaded, the integration specs should run:
setup.relation(:movies) do
matches m: :Movie
returns m: [:title, :released, :tagline]
def titled(title)
where('m.title' => title)
end
end
movie = rom.relation(:movies).titled('The Matrix').one
movie.title # => "The Matrix"
movie.updated # => 1999
setup.relation(:directors) do
matches '(director:Person)-[:DIRECTED]->(movie:Movie)'
returns 'DISTINCT director.name as name'
def by_movie(title)
where('movie.title' => title)
end
end
director = rom.relation(:directors).by_movie('RescueDawn').one
director.name # => "Werner Herzog"
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