org.apache.parquet.column.page

Class DictionaryPage

java.lang.Object

org.apache.parquet.column.page.Page

org.apache.parquet.column.page.DictionaryPage

public class DictionaryPage
extends Page

Data for a dictionary page

Constructor Summary

Constructors

Constructor and Description
DictionaryPage(BytesInput bytes, int dictionarySize, Encoding encoding) creates an uncompressed page
DictionaryPage(BytesInput bytes, int uncompressedSize, int dictionarySize, Encoding encoding) creates a dictionary page

Method Summary

Modifier and Type	Method and Description
DictionaryPage	copy()
BytesInput	getBytes()
int	getDictionarySize()
Encoding	getEncoding()
String	toString()

Methods inherited from class org.apache.parquet.column.page.Page

getCompressedSize, getCrc, getUncompressedSize, setCrc

Methods inherited from class java.lang.Object

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

Constructor Detail

DictionaryPage

public DictionaryPage(BytesInput bytes,
                      int dictionarySize,
                      Encoding encoding)

creates an uncompressed page

Parameters:

bytes - the content of the page

dictionarySize - the value count in the dictionary

encoding - the encoding used

DictionaryPage

public DictionaryPage(BytesInput bytes,
                      int uncompressedSize,
                      int dictionarySize,
                      Encoding encoding)

creates a dictionary page

Parameters:

bytes - the (possibly compressed) content of the page

uncompressedSize - the size uncompressed

dictionarySize - the value count in the dictionary

encoding - the encoding used

Method Detail

getBytes

public BytesInput getBytes()

getDictionarySize

public int getDictionarySize()

getEncoding

public Encoding getEncoding()

copy

public DictionaryPage copy()
                    throws IOException

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object