Package com.cupoftea.arrow

Class ArrowFormatReader

java.lang.Object

com.cupoftea.arrow.ArrowFormatReader

All Implemented Interfaces:

FormatReader

Direct Known Subclasses:

FeatherFormatReader

public class ArrowFormatReader
extends Object
implements FormatReader

Constructor Summary

Constructors

Constructor	Description
ArrowFormatReader()

Method Summary

Modifier and Type	Method	Description
String	format()	Unique format identifier handled by this reader (e.g., "csv", "json", "parquet", "excel", "html", "yaml", "xml").
protected ArrowIpcFormat	parseIpcFormat(Object optionVal)
IDataFrame	read(ReadOptions options)	Reads tabular data matching the given read options and returns a populated IDataFrame.

Methods inherited from class java.lang.Object

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

Constructor Details

ArrowFormatReader

public ArrowFormatReader()

Method Details

format

public String format()

Description copied from interface: FormatReader

Unique format identifier handled by this reader (e.g., "csv", "json", "parquet", "excel", "html", "yaml", "xml"). Matching is case-insensitive.

Specified by:

format in interface FormatReader

Returns:

lowercase format name

read

public IDataFrame read(ReadOptions options)

Description copied from interface: FormatReader

Reads tabular data matching the given read options and returns a populated IDataFrame.

Specified by:

read in interface FormatReader

Parameters:

options - input options containing source file, path, text, URL, schema, or configuration

Returns:

populated IDataFrame

parseIpcFormat

protected ArrowIpcFormat parseIpcFormat(Object optionVal)