Module org.apache.arrow.memory.core

Package org.apache.arrow.memory.rounding

Class SegmentRoundingPolicy

java.lang.Object

org.apache.arrow.memory.rounding.SegmentRoundingPolicy

All Implemented Interfaces:

RoundingPolicy

public class SegmentRoundingPolicy
extends Object
implements RoundingPolicy

The rounding policy that each buffer size must a multiple of the segment size.

Field Summary

Fields

Modifier and Type	Field	Description
static final long	MIN_SEGMENT_SIZE	The minimal segment size.

Constructor Summary

Constructors

Constructor	Description
SegmentRoundingPolicy(int segmentSize)	Deprecated, for removal: This API element is subject to removal in a future version. use SegmentRoundingPolicy(long) instead.
SegmentRoundingPolicy(long segmentSize)	Constructor for the segment rounding policy.

Method Summary

Modifier and Type	Method	Description
long	getRoundedSize(long requestSize)
int	getSegmentSize()	Deprecated, for removal: This API element is subject to removal in a future version.
long	getSegmentSizeAsLong()

Methods inherited from class java.lang.Object

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

Field Details

MIN_SEGMENT_SIZE

public static final long MIN_SEGMENT_SIZE

The minimal segment size.

See Also:

• Constant Field Values

Constructor Details

SegmentRoundingPolicy

@Deprecated(forRemoval=true)
@InlineMe(replacement="this((long) segmentSize)")
public SegmentRoundingPolicy(int segmentSize)

Deprecated, for removal: This API element is subject to removal in a future version.

use SegmentRoundingPolicy(long) instead.

Constructor for the segment rounding policy.

Parameters:

segmentSize - the segment size.

Throws:

IllegalArgumentException - if the segment size is smaller than MIN_SEGMENT_SIZE, or is not a power of 2.

SegmentRoundingPolicy

public SegmentRoundingPolicy(long segmentSize)

Constructor for the segment rounding policy.

Parameters:

segmentSize - the segment size.

Throws:

IllegalArgumentException - if the segment size is smaller than MIN_SEGMENT_SIZE, or is not a power of 2.

Method Details

getRoundedSize

public long getRoundedSize(long requestSize)

Specified by:

getRoundedSize in interface RoundingPolicy

getSegmentSize

@Deprecated(forRemoval=true)
public int getSegmentSize()

Deprecated, for removal: This API element is subject to removal in a future version.

getSegmentSizeAsLong

public long getSegmentSizeAsLong()