parquet.column.impl

Class ColumnWriteStoreImpl

java.lang.Object

parquet.column.impl.ColumnWriteStoreImpl

All Implemented Interfaces:

ColumnWriteStore

public class ColumnWriteStoreImpl
extends Object
implements ColumnWriteStore

Constructor Summary

Constructors

Constructor and Description
ColumnWriteStoreImpl(PageWriteStore pageWriteStore, int pageSizeThreshold, int initialSizePerCol, int dictionaryPageSizeThreshold, boolean enableDictionary, ParquetProperties.WriterVersion writerVersion)

Method Summary

Methods

Modifier and Type	Method and Description
long	allocatedSize()
void	flush() when we are done writing to flush to the underlying storage
Set<ColumnDescriptor>	getColumnDescriptors()
ColumnWriter	getColumnWriter(ColumnDescriptor path)
long	maxColMemSize()
long	memSize()
String	memUsageString()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnWriteStoreImpl

public ColumnWriteStoreImpl(PageWriteStore pageWriteStore,
                    int pageSizeThreshold,
                    int initialSizePerCol,
                    int dictionaryPageSizeThreshold,
                    boolean enableDictionary,
                    ParquetProperties.WriterVersion writerVersion)

Method Detail

getColumnWriter

public ColumnWriter getColumnWriter(ColumnDescriptor path)

Specified by:

getColumnWriter in interface ColumnWriteStore

Parameters:

path - the column for which to create a writer

Returns:

the column writer for the given column

getColumnDescriptors

public Set<ColumnDescriptor> getColumnDescriptors()

toString

public String toString()

Overrides:

toString in class Object

allocatedSize

public long allocatedSize()

memSize

public long memSize()

maxColMemSize

public long maxColMemSize()

flush

public void flush()

Description copied from interface: ColumnWriteStore

when we are done writing to flush to the underlying storage

Specified by:

flush in interface ColumnWriteStore

memUsageString

public String memUsageString()