README.md

Blueprints on JRuby

Examples for using blueprints on JRuby.

Install gems and jars

$ rbenv shell jruby-1.7.2
$ bundle install
$ jbundle install

Try blueprints

$ rbenv shell jruby-1.7.2
$ ruby blueprints-example.rb

create-simple.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'bundler/setup'
require 'jbundler'

import com.tinkerpop.blueprints.impls.tg.TinkerGraph
import com.tinkerpop.blueprints.Graph
import com.tinkerpop.blueprints.Vertex
import com.tinkerpop.blueprints.Edge
import com.tinkerpop.blueprints.Direction

graph = TinkerGraph.new()

node_a = graph.addVertex(nil);
node_b = graph.addVertex(nil);

node_a.setProperty("name", "marko");
node_b.setProperty("name", "peter");

edge = graph.addEdge(nil, node_a, node_b, "knows");

puts "#{edge.getVertex(Direction::OUT).getProperty("name")}--#{edge.getLabel()}-->#{edge.getVertex(Direction::IN).getProperty("name")}"

Gemfile

source "https://rubygems.org/"

gem "neo4j"
gem "pry"
gem "minitest"
gem "jbundler"

iterate-edges.rb

#!/usr/bin/env ruby
#
# ## Iterate through the Edges of a Vertex
# https://github.com/tinkerpop/blueprints/wiki/Code-Examples
#
require 'rubygems'
require 'bundler/setup'
require 'jbundler'

import com.tinkerpop.blueprints.impls.tg.TinkerGraphFactory
import com.tinkerpop.blueprints.Direction

graph = TinkerGraphFactory.create_tinker_graph()
a = graph.get_vertex("1");
puts "vertex #{a.get_id()} has name #{a.get_property("name")}"
a.get_edges(Direction::OUT).each do |e|
  puts e
end

iterate-elements.rb

#!/usr/bin/env ruby
#
# ## Iterate through the Elements of a Graph
# https://github.com/tinkerpop/blueprints/wiki/Code-Examples
#
require 'rubygems'
require 'bundler/setup'
require 'jbundler'

import com.tinkerpop.blueprints.impls.tg.TinkerGraphFactory

graph = TinkerGraphFactory.create_tinker_graph()

puts "Vertices of #{graph}"

graph.get_vertices.each do |v|
  puts v
end

puts "Ediges of #{graph}"

graph.get_edges.each do |e|
  puts e
end

Jarfile

# vim: syntax=ruby :
# encoding: utf-8

jar "com.tinkerpop.blueprints:blueprints-neo4j-graph",  "2.2.0"
jar "com.tinkerpop.blueprints:blueprints-orient-graph", "2.2.0"
jar "com.tinkerpop:pipes", "2.2.0"