Contents

class Geoff
  class Error                  < StandardError ; end
  class MissingIndexedProperty < Geoff::Error  ; end

  module Indexer
    class << self

      def rebuild_indices db
        @db = db

        Geoff.log 're-building indexes'
        Neo4j::Transaction.run do
          node_types.each do |type|
            re_index(type)
          end
        end

      end

      private
      def node_types
        root_node.relationships.map { |r| Kernel.const_get(r.get_type.to_s) rescue nil }.compact
      end

      def re_index(type)
        Geoff.log "-> re-indexing #{type}"
        props = type.instance_variable_get(:@_decl_props)
        indexed_props = props.find_all { |_, p| p.has_key?(:index) }

        indexed_props.each do |index|
          all = type.all

          all.each do |node|
            @current_node = node
            @current_index = index.first
            node.add_index index.first
          end
        end

      rescue NativeException => e
        Geoff.log "-" * 80
        message = "#{type} missing indexed attribute #{@current_index}, on node: #{@current_node.attributes}"
        Geoff.log message
        Geoff.log "-" * 80
        Geoff.log e.message
        Geoff.log "-" * 80
        raise Geoff::MissingIndexedProperty, message
      end

      def root_node
        @db.reference_node
      end
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
geoff-0.2.6	lib/geoff/indexer.rb
geoff-0.2.5	lib/geoff/indexer.rb
geoff-0.2.3	lib/geoff/indexer.rb
geoff-0.2.2	lib/geoff/indexer.rb
geoff-0.2.1	lib/geoff/indexer.rb
geoff-0.2.0	lib/geoff/indexer.rb