parquet.io

Class BaseRecordReader<T>

java.lang.Object

parquet.io.RecordReader<T>

parquet.io.BaseRecordReader<T>

public abstract class BaseRecordReader<T>
extends RecordReader<T>

Field Summary

Fields

Modifier and Type	Field and Description
ColumnReadStore	columnStore
RecordConsumer	recordConsumer
RecordMaterializer<T>	recordMaterializer

Constructor Summary

Constructors

Constructor and Description
BaseRecordReader()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addPrimitiveBINARY(String field, int index, Binary value)
protected void	addPrimitiveINT32(String field, int index, int value)
protected void	addPrimitiveINT64(String field, int index, long value)
protected void	currentLevel(int currentLevel)
protected void	endGroup(String field, int index)
protected void	endMessage()
protected void	error(String message)
protected int	getCaseId(int state, int currentLevel, int d, int nextR)
protected void	log(String message)
T	read() reads one record and returns it
protected abstract void	readOneRecord()
protected void	startGroup(String field, int index)
protected void	startMessage()

Methods inherited from class java.lang.Object

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

Field Detail

recordConsumer

public RecordConsumer recordConsumer

recordMaterializer

public RecordMaterializer<T> recordMaterializer

columnStore

public ColumnReadStore columnStore

Constructor Detail

BaseRecordReader

public BaseRecordReader()

Method Detail

read

public T read()

Description copied from class: RecordReader

reads one record and returns it

Specified by:

read in class RecordReader<T>

Returns:

the materialized record

readOneRecord

protected abstract void readOneRecord()

currentLevel

protected void currentLevel(int currentLevel)

log

protected void log(String message)

getCaseId

protected final int getCaseId(int state,
            int currentLevel,
            int d,
            int nextR)

startMessage

protected final void startMessage()

startGroup

protected final void startGroup(String field,
              int index)

addPrimitiveINT64

protected final void addPrimitiveINT64(String field,
                     int index,
                     long value)

addPrimitiveBINARY

protected final void addPrimitiveBINARY(String field,
                      int index,
                      Binary value)

addPrimitiveINT32

protected final void addPrimitiveINT32(String field,
                     int index,
                     int value)

endGroup

protected final void endGroup(String field,
            int index)

endMessage

protected final void endMessage()

error

protected void error(String message)