org.apache.parquet.io.api

Class PrimitiveConverter

java.lang.Object

org.apache.parquet.io.api.Converter

org.apache.parquet.io.api.PrimitiveConverter

Direct Known Subclasses:

FilteringPrimitiveConverter

public abstract class PrimitiveConverter
extends Converter

converter for leaves of the schema

Constructor Summary

Constructors

Constructor and Description
PrimitiveConverter()

Method Summary

Modifier and Type	Method and Description
void	addBinary(Binary value)
void	addBoolean(boolean value)
void	addDouble(double value)
void	addFloat(float value)
void	addInt(int value)
void	addLong(long value)
void	addValueFromDictionary(int dictionaryId) add a value based on the dictionary set with setDictionary() Will be used if the Converter has dictionary support and the data was encoded using a dictionary
PrimitiveConverter	asPrimitiveConverter()
boolean	hasDictionarySupport() if it returns true we will attempt to use dictionary based conversion instead
boolean	isPrimitive()
void	setDictionary(Dictionary dictionary) Set the dictionary to use if the data was encoded using dictionary encoding and the converter hasDictionarySupport().

Methods inherited from class org.apache.parquet.io.api.Converter

asGroupConverter

Methods inherited from class java.lang.Object

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

Constructor Detail

PrimitiveConverter

public PrimitiveConverter()

Method Detail

isPrimitive

public boolean isPrimitive()

Specified by:

isPrimitive in class Converter

asPrimitiveConverter

public PrimitiveConverter asPrimitiveConverter()

Overrides:

asPrimitiveConverter in class Converter

hasDictionarySupport

public boolean hasDictionarySupport()

if it returns true we will attempt to use dictionary based conversion instead

Returns:

if dictionary is supported

setDictionary

public void setDictionary(Dictionary dictionary)

Set the dictionary to use if the data was encoded using dictionary encoding and the converter hasDictionarySupport().

Parameters:

dictionary - the dictionary to use for conversion

addValueFromDictionary

public void addValueFromDictionary(int dictionaryId)

add a value based on the dictionary set with setDictionary() Will be used if the Converter has dictionary support and the data was encoded using a dictionary

Parameters:

dictionaryId - the id in the dictionary of the value to add

addBinary

public void addBinary(Binary value)

Parameters:

value - value to set

addBoolean

public void addBoolean(boolean value)

Parameters:

value - value to set

addDouble

public void addDouble(double value)

Parameters:

value - value to set

addFloat

public void addFloat(float value)

Parameters:

value - value to set

addInt

public void addInt(int value)

Parameters:

value - value to set

addLong

public void addLong(long value)

Parameters:

value - value to set