Class CachedBufferAllocator

java.lang.Object

org.xerial.snappy.buffer.CachedBufferAllocator

All Implemented Interfaces:

BufferAllocator

public class CachedBufferAllocator
extends Object
implements BufferAllocator

Cached buffer

Field Summary

Fields

Modifier and Type	Field	Description
private final Deque<byte[]>	bufferQueue
private final int	bufferSize
private static BufferAllocatorFactory	factory
private static final Map<Integer, SoftReference<CachedBufferAllocator>>	queueTable	Use SoftReference so that having this queueTable does not prevent the GC of CachedBufferAllocator instances

Constructor Summary

Constructors

Constructor	Description
CachedBufferAllocator(int bufferSize)

Method Summary

Modifier and Type	Method	Description
byte[]	allocate(int size)
static CachedBufferAllocator	getAllocator(int bufferSize)
static BufferAllocatorFactory	getBufferAllocatorFactory()
void	release(byte[] buffer)
static void	setBufferAllocatorFactory(BufferAllocatorFactory factory)

Methods inherited from class Object

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

Field Details

factory

private static BufferAllocatorFactory factory

queueTable

private static final Map<Integer, SoftReference<CachedBufferAllocator>> queueTable

Use SoftReference so that having this queueTable does not prevent the GC of CachedBufferAllocator instances

bufferSize

private final int bufferSize

bufferQueue

private final Deque<byte[]> bufferQueue

Constructor Details

CachedBufferAllocator

public CachedBufferAllocator(int bufferSize)

Method Details

setBufferAllocatorFactory

public static void setBufferAllocatorFactory(BufferAllocatorFactory factory)

getBufferAllocatorFactory

public static BufferAllocatorFactory getBufferAllocatorFactory()

getAllocator

public static CachedBufferAllocator getAllocator(int bufferSize)

allocate

public byte[] allocate(int size)

Specified by:

allocate in interface BufferAllocator

release

public void release(byte[] buffer)

Specified by:

release in interface BufferAllocator