# File lib/dm-core/transaction.rb, line 112
    def rollback
      raise "Illegal state for rollback: #{@state}" unless @state == :begin
      each_adapter(:rollback_adapter_if_begin, [:rollback_and_close_adapter_if_begin, :close_adapter_if_none])
      each_adapter(:rollback_prepared_adapter_if_prepare, [:rollback_prepared_and_close_adapter_if_begin, :close_adapter_if_none])
      each_adapter(:close_adapter_if_open, [:log_fatal_transaction_breakage])
      @state = :rollback
    end