uk.ac.starlink.feather

Class BooleanStarColumnWriter

java.lang.Object

uk.ac.starlink.feather.StarColumnWriter

uk.ac.starlink.feather.BooleanStarColumnWriter

All Implemented Interfaces:

uk.ac.bristol.star.feather.FeatherColumnWriter

public class BooleanStarColumnWriter
extends StarColumnWriter

StarColumnWriter implementation for boolean values.

Since:

27 Feb 2020

Author:

Mark Taylor

Nested Class Summary

Nested classes/interfaces inherited from class uk.ac.starlink.feather.StarColumnWriter

StarColumnWriter.DataStat

Constructor Summary

Constructors

Constructor and Description
BooleanStarColumnWriter(StarTable table, int icol) Constructor.

Method Summary

Modifier and Type	Method and Description
ItemAccumulator	createItemAccumulator(StoragePolicy storage)
StarColumnWriter.DataStat	writeDataBytes(OutputStream out) Writes the bytes consituting the data stream for this column, excluding any optional validity mask.

Methods inherited from class uk.ac.starlink.feather.StarColumnWriter

getColumnIndex, getFeatherType, getName, getTable, getUserMetadata, isNullable, writeColumnBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanStarColumnWriter

public BooleanStarColumnWriter(StarTable table,
                               int icol)

Constructor.

Parameters:

table - table

icol - column index

Method Detail

writeDataBytes

public StarColumnWriter.DataStat writeDataBytes(OutputStream out)
                                         throws IOException

Description copied from class: StarColumnWriter

Writes the bytes consituting the data stream for this column, excluding any optional validity mask. Note the output does not need to be aligned on an 8-byte boundary.

Specified by:

writeDataBytes in class StarColumnWriter

Parameters:

out - destination stream

Returns:

information about what was actually written

Throws:

IOException

createItemAccumulator

public ItemAccumulator createItemAccumulator(StoragePolicy storage)

Specified by:

createItemAccumulator in class StarColumnWriter