gistfile1.builder

require "rubygems"
require "dm-core"

class GSE
  include DataMapper::Resource
  def self.default_repository_name; :expr_geo; end
  storage_names[:expr_geo] = "gse_list"
  property :gse, Integer, :key => true

  has n, :gse_gsms, "GSEGSM", :child_key => [:gse], :parent_key => [:gse]
  has n, :gsm_objects, "GSM", :through => :gse_gsm

end

class GSEGSM
  include DataMapper::Resource
  def self.default_repository_name; :expr_geo; end
  storage_names[:expr_geo] = "gse_gsm"
  belongs_to :gse_object, "GSE", :child_key => [:gse], :parent_key => [:gse], :key => true
  belongs_to :gsm_object, "GSM", :child_key => [:gsm], :parent_key => [:gsm], :key => true
end

class GSM
  include DataMapper::Resource
  def self.default_repository_name; :expr_geo; end
  storage_names[:expr_geo] = "gsm_list"
  property :gsm, Integer, :key => true

  has n, :gse_gsms, "GSEGSM", :child_key => [:gsm], :parent_key => [:gsm]
  has n, :gse_objects, "GSE", :through => :gse_gsm

end

DataMapper.setup(:expr_geo, "sqlite3::memory:")
DataMapper.finalize