org.xerial.snappy.pool

Class QuiescentBufferPool

java.lang.Object

org.xerial.snappy.pool.QuiescentBufferPool

All Implemented Interfaces:

BufferPool

public final class QuiescentBufferPool
extends java.lang.Object
implements BufferPool

A BufferPool implementation which does no pooling. New instances will be created for each call to allocate.

Method Summary

Modifier and Type	Method and Description
byte[]	allocateArray(int size) Creates a new byte[] of size.
java.nio.ByteBuffer	allocateDirect(int size) Allocates a direct ByteBuffer of size.
static BufferPool	getInstance()
void	releaseArray(byte[] buffer) Does nothing.
void	releaseDirect(java.nio.ByteBuffer buffer) Aggressively releases native resources associated with buffer.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static BufferPool getInstance()

Returns:

Instance of BufferPool which does no caching/reuse of instances.

allocateArray

public byte[] allocateArray(int size)

Creates a new byte[] of size.

Specified by:

allocateArray in interface BufferPool

Parameters:

size - The minimum size array required. Must be >= 0.

Returns:

A byte[] with length of at least size.

See Also:

BufferPool.releaseArray(byte[])

releaseArray

public void releaseArray(byte[] buffer)

Does nothing.

Specified by:

releaseArray in interface BufferPool

Parameters:

buffer - Instance to return to pool. Must not be null. Must not be returned more than 1 time. Must not be used by caller after return.

allocateDirect

public java.nio.ByteBuffer allocateDirect(int size)

Allocates a direct ByteBuffer of size.

Specified by:

allocateDirect in interface BufferPool

Parameters:

size - The minimum size buffer required. Must be >= 0.

Returns:

A ByteBuffer of size or greater capacity.

See Also:

BufferPool.releaseDirect(ByteBuffer), ByteBuffer.allocateDirect(int)

releaseDirect

public void releaseDirect(java.nio.ByteBuffer buffer)

Aggressively releases native resources associated with buffer.

Specified by:

releaseDirect in interface BufferPool

Parameters:

buffer - Instance to return to pool. Must not be null. Must not be returned more than 1 time. Must not be used by caller after return.