org.apache.parquet.bytes

Class DirectByteBufferAllocator

java.lang.Object

org.apache.parquet.bytes.DirectByteBufferAllocator

All Implemented Interfaces:

ByteBufferAllocator

public class DirectByteBufferAllocator
extends Object
implements ByteBufferAllocator

Constructor Summary

Constructors

Constructor and Description
DirectByteBufferAllocator()

Method Summary

Modifier and Type	Method and Description
ByteBuffer	allocate(int size)
static DirectByteBufferAllocator	getInstance()
boolean	isDirect() Indicates if this allocator will produce ByteBuffers backed by direct memory.
void	release(ByteBuffer b) For RefCounted implementations using direct memory, the release method needs to be called to free references to the allocated memory.

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectByteBufferAllocator

public DirectByteBufferAllocator()

Method Detail

getInstance

public static final DirectByteBufferAllocator getInstance()

allocate

public ByteBuffer allocate(int size)

Specified by:

allocate in interface ByteBufferAllocator

release

public void release(ByteBuffer b)

Description copied from interface: ByteBufferAllocator

For RefCounted implementations using direct memory, the release method needs to be called to free references to the allocated memory.

Specified by:

release in interface ByteBufferAllocator

Parameters:

b - a ByteBuffer

isDirect

public boolean isDirect()

Description copied from interface: ByteBufferAllocator

Indicates if this allocator will produce ByteBuffers backed by direct memory.

Specified by:

isDirect in interface ByteBufferAllocator

Returns:

true if direct memory backed buffers will be created by this allocator, else false