gistfile1.rb

class Census2010
  require 'csv'

  include Ripple::Document

  property :id,    Integer, :presence => true
  property :sumlevel, Integer, :presence => true
  property :state_id, Integer
  property :stusab,    String
  property :logrecno,    Integer
  
  key_on :id

  
  def self.setup
    return @@census2010 if defined?(@@census2010)
    @@census2010 ={}
    YAML.load_file("data/index.yaml").each{|k,v| if v['type'] == "Census2010"; @@census2010[k] = v; end}
  end
     
  def self.tables
    return @@tables  if defined?(@@tables)
    @@tables ={}
    @@census2010.each{|k,v| if v['parent'] == 0; @@tables[k]= v['desc']; end}
    return @@tables
  end
  
  def self.fields
    return @@fields if defined?(@@fields)
    @@fields ={}
    @@census2010.each{|k,v| if v['parent'] != 0; @@fields[k]= v['desc']; end}
    return @@fields
  end
end