Package org.apache.arrow.memory.unsafe

Class UnsafeAllocationManager

java.lang.Object

org.apache.arrow.memory.AllocationManager

org.apache.arrow.memory.unsafe.UnsafeAllocationManager

public final class UnsafeAllocationManager
extends AllocationManager

Allocation manager based on unsafe API.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.arrow.memory.AllocationManager

AllocationManager.Factory

Field Summary

Fields

Modifier and Type	Field	Description
static final AllocationManager.Factory	FACTORY

Method Summary

Modifier and Type	Method	Description
long	getSize()	Return the size of underlying chunk of memory managed by this Allocation Manager.
protected long	memoryAddress()	Return the absolute memory address pointing to the fist byte of underlying memory chunk.
protected void	release0()	Release the underlying memory chunk.

Methods inherited from class java.lang.Object

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

Field Details

FACTORY

public static final AllocationManager.Factory FACTORY

Method Details

getSize

public long getSize()

Description copied from class: AllocationManager

Return the size of underlying chunk of memory managed by this Allocation Manager.

The underlying memory chunk managed can be different from the original requested size.

Specified by:

getSize in class AllocationManager

Returns:

size of underlying memory chunk

memoryAddress

protected long memoryAddress()

Description copied from class: AllocationManager

Return the absolute memory address pointing to the fist byte of underlying memory chunk.

Specified by:

memoryAddress in class AllocationManager

release0

protected void release0()

Description copied from class: AllocationManager

Release the underlying memory chunk.

Specified by:

release0 in class AllocationManager