module Neo4j
  module Embedded
    class EmbeddedDatabase
      class Error < StandardError
      end

      class << self
        def connect(db_location, config = {})
          if Neo4j::Session.current.respond_to?(:db_location) && Neo4j::Session.current.db_location == db_location
            return Neo4j::Session.current
          else
            EmbeddedSession.new(db_location, config)
          end
        end

        def create_db(db_location)
          puts "Start embedded Neo4j db at #{db_location}"
          factory = Java::OrgNeo4jGraphdbFactory::GraphDatabaseFactory.new
          factory.newEmbeddedDatabase(db_location)
        end

        def factory_class
          Java::OrgNeo4jTest::ImpermanentGraphDatabase
        end
      end
    end
  end
end