Package org.apache.pinot.plugin.inputformat.csv

Class CSVRecordReader

java.lang.Object

org.apache.pinot.plugin.inputformat.csv.CSVRecordReader

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, RecordReader

@NotThreadSafe
public class CSVRecordReader
extends Object
implements RecordReader

Record reader for CSV file.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
CSVRecordReader()

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,Integer>	getCSVHeaderMap()	Returns a copy of the header map that iterates in column order.
boolean	hasNext()
void	init(File dataFile, Set<String> fieldsToRead, RecordReaderConfig recordReaderConfig)
GenericRow	next()
GenericRow	next(GenericRow reuse)
void	rewind()

Methods inherited from class java.lang.Object

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

Constructor Detail

CSVRecordReader

public CSVRecordReader()

Method Detail

init

public void init(File dataFile,
                 @Nullable
                 Set<String> fieldsToRead,
                 @Nullable
                 RecordReaderConfig recordReaderConfig)
          throws IOException

Specified by:

init in interface RecordReader

Throws:

IOException

getCSVHeaderMap

public Map<String,Integer> getCSVHeaderMap()

Returns a copy of the header map that iterates in column order.

The map keys are column names. The map values are 0-based indices.

Returns:

a copy of the header map that iterates in column order.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface RecordReader

next

public GenericRow next()
                throws IOException

Specified by:

next in interface RecordReader

Throws:

IOException

next

public GenericRow next(GenericRow reuse)
                throws IOException

Specified by:

next in interface RecordReader

Throws:

IOException

rewind

public void rewind()
            throws IOException

Specified by:

rewind in interface RecordReader

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException