tech.tablesaw.io.csv

Class CsvReadOptions.Builder

java.lang.Object

tech.tablesaw.io.csv.CsvReadOptions.Builder

Enclosing class:

CsvReadOptions

public static class CsvReadOptions.Builder
extends Object

Constructor Summary

Constructors

Constructor and Description
Builder(File file)
Builder(InputStream stream) This method may cause tablesaw to buffer the entire InputStream.
Builder(Reader reader) This method may cause tablesaw to buffer the entire InputStream.

Method Summary

Modifier and Type	Method and Description
CsvReadOptions	build()
CsvReadOptions.Builder	columnTypes(ColumnType[] columnTypes)
CsvReadOptions.Builder	dateFormat(String dateFormat)
CsvReadOptions.Builder	dateTimeFormat(String dateTimeFormat)
CsvReadOptions.Builder	header(boolean header)
CsvReadOptions.Builder	lineEnding(String lineEnding)
CsvReadOptions.Builder	locale(Locale locale)
CsvReadOptions.Builder	maxNumberOfColumns(Integer maxNumberOfColumns) Defines maximal value of columns in csv file.
CsvReadOptions.Builder	missingValueIndicator(String missingValueIndicator)
CsvReadOptions.Builder	sample(boolean sample)
CsvReadOptions.Builder	separator(char separator)
CsvReadOptions.Builder	tableName(String tableName)
CsvReadOptions.Builder	timeFormat(String timeFormat)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Builder

public Builder(File file)

Builder

public Builder(Reader reader)

This method may cause tablesaw to buffer the entire InputStream.

If you have a large amount of data, you can do one of the following: 1. Use the method taking a File instead of a reader, or 2. Provide the array of column types as an option. If you provide the columnType array, we skip type detection and can avoid reading the entire file

Builder

public Builder(InputStream stream)

This method may cause tablesaw to buffer the entire InputStream.

If you have a large amount of data, you can do one of the following: 1. Use the method taking a File instead of a stream, or 2. Provide the array of column types as an option. If you provide the columnType array, we skip type detection and can avoid reading the entire file

Method Detail

tableName

public CsvReadOptions.Builder tableName(String tableName)

dateFormat

public CsvReadOptions.Builder dateFormat(String dateFormat)

timeFormat

public CsvReadOptions.Builder timeFormat(String timeFormat)

dateTimeFormat

public CsvReadOptions.Builder dateTimeFormat(String dateTimeFormat)

header

public CsvReadOptions.Builder header(boolean header)

missingValueIndicator

public CsvReadOptions.Builder missingValueIndicator(String missingValueIndicator)

separator

public CsvReadOptions.Builder separator(char separator)

lineEnding

public CsvReadOptions.Builder lineEnding(String lineEnding)

sample

public CsvReadOptions.Builder sample(boolean sample)

locale

public CsvReadOptions.Builder locale(Locale locale)

columnTypes

public CsvReadOptions.Builder columnTypes(ColumnType[] columnTypes)

maxNumberOfColumns

public CsvReadOptions.Builder maxNumberOfColumns(Integer maxNumberOfColumns)

Defines maximal value of columns in csv file.

Parameters:

maxNumberOfColumns - - must be positive integer. Default is 512. *

build

public CsvReadOptions build()