Method: Bdb::Environment#transaction

Defined in:
lib/bdb/environment.rb

#transaction(nested = true) ⇒ Object 



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# File 'lib/bdb/environment.rb', line 84

def transaction(nested = true)
  return @transaction unless block_given?
  return yield if disable_transactions?

  synchronize do
    parent = @transaction
    begin
      @transaction = env.txn_begin(nested ? parent : nil, 0)
      value = yield
      @transaction.commit(0)
      @transaction = nil
      value
    ensure
      @transaction.abort if @transaction
      @transaction = parent
    end
  end
end