org.apache.parquet.hadoop.metadata

Class BlockMetaData

java.lang.Object

org.apache.parquet.hadoop.metadata.BlockMetaData

public class BlockMetaData
extends Object

Block metadata stored in the footer and passed in an InputSplit

Author:

Julien Le Dem

Constructor Summary

Constructors

Constructor and Description
BlockMetaData()

Method Summary

Methods

Modifier and Type	Method and Description
void	addColumn(ColumnChunkMetaData column)
List<ColumnChunkMetaData>	getColumns()
long	getCompressedSize()
String	getPath()
long	getRowCount()
long	getStartingPos()
long	getTotalByteSize()
void	setPath(String path)
void	setRowCount(long rowCount)
void	setTotalByteSize(long totalByteSize)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockMetaData

public BlockMetaData()

Method Detail

setPath

public void setPath(String path)

Parameters:

path - the path to the file containing the data. Or null if same file the metadata was found

getPath

public String getPath()

Returns:

the path relative to the parent of this file where the data is. Or null if it is in the same file.

getRowCount

public long getRowCount()

Returns:

the rowCount

setRowCount

public void setRowCount(long rowCount)

Parameters:

rowCount - the rowCount to set

getTotalByteSize

public long getTotalByteSize()

Returns:

the totalByteSize

setTotalByteSize

public void setTotalByteSize(long totalByteSize)

Parameters:

totalByteSize - the totalByteSize to set

addColumn

public void addColumn(ColumnChunkMetaData column)

Parameters:

column - the metadata for a column

getColumns

public List<ColumnChunkMetaData> getColumns()

Returns:

the metadata for columns

getStartingPos

public long getStartingPos()

Returns:

the starting pos of first column

toString

public String toString()

Overrides:

toString in class Object

getCompressedSize

public long getCompressedSize()

Returns:

the compressed size of all columns