# File lib/transaction/simple.rb, line 84
  def transaction_open?(name = nil)
    defined? @__transaction_checkpoint__ or @__transaction_checkpoint__ = nil
    if name.nil?
      Transaction::Simple.debug_io << "Transaction " << "[#{(@__transaction_checkpoint__.nil?) ? 'closed' : 'open'}]\n" if Transaction::Simple.debugging?
      return (not @__transaction_checkpoint__.nil?)
    else
      Transaction::Simple.debug_io << "Transaction(#{name.inspect}) " << "[#{(@__transaction_checkpoint__.nil?) ? 'closed' : 'open'}]\n" if Transaction::Simple.debugging?
      return ((not @__transaction_checkpoint__.nil?) and @__transaction_names__.include?(name))
    end
  end