org.apache.ignite.internal.portable.streams

Class PortableMemoryAllocatorChunk

java.lang.Object

org.apache.ignite.internal.portable.streams.PortableMemoryAllocatorChunk

public class PortableMemoryAllocatorChunk
extends Object

Memory allocator chunk.

Field Summary

Fields

Modifier and Type	Field and Description
protected static long	BYTE_ARR_OFF Array offset: byte.
protected static sun.misc.Unsafe	UNSAFE Unsafe instance.

Constructor Summary

Constructors

Constructor and Description
PortableMemoryAllocatorChunk()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	allocate(int size) Allocate.
boolean	isAcquired()
byte[]	reallocate(byte[] data, int size) Reallocate.
void	release(byte[] data, int maxMsgSize) Shrinks array size if needed.

Methods inherited from class java.lang.Object

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

Field Detail

UNSAFE

protected static final sun.misc.Unsafe UNSAFE

Unsafe instance.

BYTE_ARR_OFF

protected static final long BYTE_ARR_OFF

Array offset: byte.

Constructor Detail

PortableMemoryAllocatorChunk

public PortableMemoryAllocatorChunk()

Method Detail

allocate

public byte[] allocate(int size)

Allocate.

Parameters:

size - Desired size.

Returns:

Data.

reallocate

public byte[] reallocate(byte[] data,
                int size)

Reallocate.

Parameters:

data - Old data.

size - Size.

Returns:

New data.

release

public void release(byte[] data,
           int maxMsgSize)

Shrinks array size if needed.

isAcquired

public boolean isAcquired()

Returns:

True if acquired.