# File lib/ferret/index.rb, line 427 427: def delete(arg) 428: @dir.synchrolock do 429: ensure_writer_open() 430: if arg.is_a?(String) or arg.is_a?(Symbol) 431: ensure_writer_open() 432: @writer.delete(@id_field, arg.to_s) 433: elsif arg.is_a?(Integer) 434: ensure_reader_open() 435: cnt = @reader.delete(arg) 436: else 437: raise ArgumentError, "Cannot delete for arg of type #{arg.class}" 438: end 439: flush() if @auto_flush 440: end 441: return self 442: end