# File lib/merb_datamapper.rb, line 38
  def self.run
    Merb.logger.verbose! "Merb::Orms::DataMapper::Connect block."

    # check for the presence of database.yml
    if File.file?(Merb.dir_for(:config) / "database.yml")
      # if we have it, connect
      Merb::Orms::DataMapper.connect
    else
      # assume we'll be told at some point
      Merb.logger.info "No database.yml file found in #{Merb.dir_for(:config)}, assuming database connection(s) established in the environment file in #{Merb.dir_for(:config)}/environments"
    end

    # if we use a datamapper session store, require it.
    Merb.logger.verbose! "Checking if we need to use DataMapper sessions"
    if Merb::Config.session_store == 'datamapper'
      Merb.logger.verbose! "Using DataMapper sessions"
      require "merb_datamapper/data_mapper_session"
    end

    # take advantage of the fact #id returns the key of the model, unless #id is a property
    Merb::Router.root_behavior = Merb::Router.root_behavior.identify(DataMapper::Resource => :id)

    Merb.logger.verbose! "Merb::Orms::DataMapper::Connect complete"
  end