#NEWLINE# def __init__( self , handler_spec , input_reader_spec , params , shard_count , output_writer_spec = None ) : #NEWLINE# #INDENT# 'Creates a new MapperSpec.\n\n    Args:\n      handler_spec: handler specification as string (see class doc for\n        details).\n      input_reader_spec: The class name of the input reader to use.\n      params: Dictionary of additional parameters for the mapper.\n      shard_count: number of shards to process in parallel.\n\n    Properties:\n      handler_spec: name of handler class/function to use.\n      input_reader_spec: The class name of the input reader to use.\n      params: Dictionary of additional parameters for the mapper.\n      shard_count: number of shards to process in parallel.\n      output_writer_spec: The class name of the output writer to use.\n    ' #NEWLINE# self . handler_spec = handler_spec #NEWLINE# self . input_reader_spec = input_reader_spec #NEWLINE# self . output_writer_spec = output_writer_spec #NEWLINE# self . shard_count = shard_count #NEWLINE# self . params = params