water.parser

Interface ParserProvider

All Known Implementing Classes:

DefaultParserProviders.ArffParserProvider, DefaultParserProviders.CsvParserProvider, DefaultParserProviders.GuessParserProvider, DefaultParserProviders.SVMLightParserProvider, DefaultParserProviders.XlsParserProvider

public interface ParserProvider

Generic Parser provider.

Method Summary

Methods

Modifier and Type	Method and Description
Parser	createParser(ParseSetup setup, Key<Job> jobKey) Create a new parser
ParseSetup	createParserSetup(Key[] inputs, ParseSetup requiredSetup) Create a parser specific setup.
ParseSetup	guessSetup(byte[] bits, byte sep, int ncols, boolean singleQuotes, int checkHeader, java.lang.String[] columnNames, byte[] columnTypes, java.lang.String[][] domains, java.lang.String[][] naStrings) Returns parser setup of throws exception if input is not recognized
ParserInfo	info() Technical information for this parser

Method Detail

info

ParserInfo info()

Technical information for this parser

createParser

Parser createParser(ParseSetup setup,
                  Key<Job> jobKey)

Create a new parser

guessSetup

ParseSetup guessSetup(byte[] bits,
                    byte sep,
                    int ncols,
                    boolean singleQuotes,
                    int checkHeader,
                    java.lang.String[] columnNames,
                    byte[] columnTypes,
                    java.lang.String[][] domains,
                    java.lang.String[][] naStrings)

Returns parser setup of throws exception if input is not recognized

createParserSetup

ParseSetup createParserSetup(Key[] inputs,
                           ParseSetup requiredSetup)

Create a parser specific setup. Useful if parser need a single

Parameters:

inputs - input keys

requiredSetup - user given parser setup

Returns:

parser specific setup