de.unknownreality.dataframe.csv

Class CSVIterator

java.lang.Object

de.unknownreality.dataframe.io.BufferedStreamIterator<CSVRow>

de.unknownreality.dataframe.csv.CSVIterator

All Implemented Interfaces:

RowIterable<CSVRow>, RowIterator<CSVRow>, DataIterator<CSVRow>, Iterable<CSVRow>, Iterator<CSVRow>

public class CSVIterator
extends BufferedStreamIterator<CSVRow>
implements DataIterator<CSVRow>

Created by Alex on 17.06.2017.

Constructor Summary

Constructors

Constructor and Description
CSVIterator(BufferedReader reader, CSVSettings csvSettings, ColumnSettings columnSettings)

Method Summary

Modifier and Type	Method and Description
List<ColumnInformation>	getColumnsInformation()
protected CSVRow	getNext() Reads the csv input stream and returns a csv row
void	initHeader() Reads and created the csv header
Iterator<CSVRow>	iterator()
CSVRow	next() Returns the next row.
DataFrameBuilder	toDataFrame() Deprecated. use DataFrame.fromCSV(java.io.File, char, boolean) or DataFrame.load(java.io.File) instead.

Methods inherited from class de.unknownreality.dataframe.io.BufferedStreamIterator

close, getLine, hasNext, loadNext, remove, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, remove

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

CSVIterator

public CSVIterator(BufferedReader reader,
                   CSVSettings csvSettings,
                   ColumnSettings columnSettings)

Method Detail

toDataFrame

@Deprecated
public DataFrameBuilder toDataFrame()

Deprecated. use DataFrame.fromCSV(java.io.File, char, boolean) or DataFrame.load(java.io.File) instead.

Creates a DataFrameBuilder using this CSV iterator

Returns:

DataFrameBuilder DataFrameBuilder

initHeader

public void initHeader()

Reads and created the csv header

next

public CSVRow next()

Description copied from class: BufferedStreamIterator

Returns the next row. If last row is reached this iterator closes automatically.

Specified by:

next in interface Iterator<CSVRow>

Overrides:

next in class BufferedStreamIterator<CSVRow>

Returns:

next row

getNext

protected CSVRow getNext()

Reads the csv input stream and returns a csv row

Specified by:

getNext in class BufferedStreamIterator<CSVRow>

Returns:

next csv row

getColumnsInformation

public List<ColumnInformation> getColumnsInformation()

Specified by:

getColumnsInformation in interface DataIterator<CSVRow>

iterator

public Iterator<CSVRow> iterator()

Specified by:

iterator in interface Iterable<CSVRow>