tech.bitey.dataframe

Class ReadCsvConfig

java.lang.Object

tech.bitey.dataframe.ReadCsvConfig

public class ReadCsvConfig
extends Object

Configuration for reading a dataframe from a CSV file. The three configurable settings are:

• Column types - this is mandatory as there is currently no logic to auto-detect column types.
• Column names - required if and only if there is no header line.
• Delimiter - defaults to comma

Author:

biteytech@protonmail.com

Constructor Summary

Constructors

Constructor and Description
ReadCsvConfig(List<ColumnType<?>> columnTypes) Constructor for specifying the column types settings.
ReadCsvConfig(List<ColumnType<?>> columnTypes, char delim) Constructor for specifying the column types and delimiter settings.
ReadCsvConfig(List<ColumnType<?>> columnTypes, List<String> columnNames) Constructor for specifying the column types and and column names settings.
ReadCsvConfig(List<ColumnType<?>> columnTypes, List<String> columnNames, char delim) Constructor for specifying all three configurable settings.

Method Summary

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadCsvConfig

public ReadCsvConfig(List<ColumnType<?>> columnTypes,
                     List<String> columnNames,
                     char delim)

Constructor for specifying all three configurable settings.

Parameters:

columnTypes - - mandatory column types. The size of this list must match the number of fields in the CSV file.

columnNames - - must be specified if and only if a header line is not present in the CSV file.

delim - - any ASCII character which is not a letter, digit, double quote, CR, or LF.

ReadCsvConfig

public ReadCsvConfig(List<ColumnType<?>> columnTypes,
                     char delim)

Constructor for specifying the column types and delimiter settings.

The CSV file must contain a header line since no column names are provided.

Parameters:

columnTypes - - mandatory column types. The size of this list must match the number of fields in the CSV file.

delim - - any ASCII character which is not a letter, digit, double quote, CR, or LF.

ReadCsvConfig

public ReadCsvConfig(List<ColumnType<?>> columnTypes,
                     List<String> columnNames)

Constructor for specifying the column types and and column names settings.

The delimiter will default to comma.

Parameters:

columnTypes - - mandatory column types. The size of this list must match the number of fields in the CSV file.

columnNames - - must be specified if and only if a header line is not present in the CSV file.

ReadCsvConfig

public ReadCsvConfig(List<ColumnType<?>> columnTypes)

Constructor for specifying the column types settings.

The CSV file must contain a header line since no column names are provided. The delimiter will default to comma.

Parameters:

columnTypes - - mandatory column types. The size of this list must match the number of fields in the CSV file.