com.facebook.presto.parquet.dictionary

Class DictionaryReader

java.lang.Object

org.apache.parquet.column.values.ValuesReader

com.facebook.presto.parquet.dictionary.DictionaryReader

public class DictionaryReader
extends org.apache.parquet.column.values.ValuesReader

Constructor Summary

Constructors

Constructor and Description
DictionaryReader(Dictionary dictionary)

Method Summary

Modifier and Type	Method and Description
void	initFromPage(int valueCount, org.apache.parquet.bytes.ByteBufferInputStream inputStream)
org.apache.parquet.io.api.Binary	readBytes()
double	readDouble()
float	readFloat()
int	readInteger()
long	readLong()
int	readValueDictionaryId()
void	skip()

Methods inherited from class org.apache.parquet.column.values.ValuesReader

getNextOffset, initFromPage, initFromPage, readBoolean, skip, updateNextOffset

Methods inherited from class java.lang.Object

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

Constructor Detail

DictionaryReader

public DictionaryReader(Dictionary dictionary)

Method Detail

initFromPage

public void initFromPage(int valueCount,
                         org.apache.parquet.bytes.ByteBufferInputStream inputStream)
                  throws IOException

Overrides:

initFromPage in class org.apache.parquet.column.values.ValuesReader

Throws:

IOException

readValueDictionaryId

public int readValueDictionaryId()

Overrides:

readValueDictionaryId in class org.apache.parquet.column.values.ValuesReader

readBytes

public org.apache.parquet.io.api.Binary readBytes()

Overrides:

readBytes in class org.apache.parquet.column.values.ValuesReader

readFloat

public float readFloat()

Overrides:

readFloat in class org.apache.parquet.column.values.ValuesReader

readDouble

public double readDouble()

Overrides:

readDouble in class org.apache.parquet.column.values.ValuesReader

readInteger

public int readInteger()

Overrides:

readInteger in class org.apache.parquet.column.values.ValuesReader

readLong

public long readLong()

Overrides:

readLong in class org.apache.parquet.column.values.ValuesReader

skip

public void skip()

Specified by:

skip in class org.apache.parquet.column.values.ValuesReader