Package com.sun.corba.ee.impl.transport

Class ByteBufferPoolImpl

java.lang.Object

com.sun.corba.ee.impl.transport.ByteBufferPoolImpl

All Implemented Interfaces:

ByteBufferPool

public class ByteBufferPoolImpl
extends java.lang.Object
implements ByteBufferPool

Field Summary

Fields

Modifier and Type	Field	Description
private java.nio.ByteBuffer	byteBufferSlab
private int	byteBufferSlabSize
private ORB	orb
private boolean	useDirectBuffers
private static ORBUtilSystemException	wrapper

Constructor Summary

Constructors

Constructor	Description
ByteBufferPoolImpl(ORB orb)

Method Summary

Modifier and Type	Method	Description
int	activeCount()	Get a count of the outstanding allocated DirectByteBuffers.
private java.nio.ByteBuffer	allocateDirectByteBufferSlab()	Allocate a DirectByteBuffer slab.
java.nio.ByteBuffer	getByteBuffer(int size)	Return a ByteBuffer of the requested size.
java.nio.ByteBuffer	reAllocate(java.nio.ByteBuffer oldByteBuffer, int minimumSize)	Return a new ByteBuffer of at least minimumSize and copy any bytes in the oldByteBuffer starting at oldByteBuffer.position() up to oldByteBuffer.limit() into the returned ByteBuffer.
void	releaseByteBuffer(java.nio.ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Field Detail

wrapper

private static final ORBUtilSystemException wrapper

byteBufferSlab

private java.nio.ByteBuffer byteBufferSlab

useDirectBuffers

private final boolean useDirectBuffers

byteBufferSlabSize

private final int byteBufferSlabSize

orb

private final ORB orb

Constructor Detail

ByteBufferPoolImpl

public ByteBufferPoolImpl(ORB orb)

Method Detail

getByteBuffer

public java.nio.ByteBuffer getByteBuffer(int size)

Return a ByteBuffer of the requested size.

Specified by:

getByteBuffer in interface ByteBufferPool

releaseByteBuffer

public void releaseByteBuffer(java.nio.ByteBuffer buffer)

Specified by:

releaseByteBuffer in interface ByteBufferPool

activeCount

public int activeCount()

Get a count of the outstanding allocated DirectByteBuffers. (Those allocated and have not been returned to the pool).

Specified by:

activeCount in interface ByteBufferPool

reAllocate

public java.nio.ByteBuffer reAllocate(java.nio.ByteBuffer oldByteBuffer,
                                      int minimumSize)

Return a new ByteBuffer of at least minimumSize and copy any bytes in the oldByteBuffer starting at oldByteBuffer.position() up to oldByteBuffer.limit() into the returned ByteBuffer.

Specified by:

reAllocate in interface ByteBufferPool

Parameters:

oldByteBuffer - old buffer to take bytes from

minimumSize - minimum size of Buffer

Returns:

the new ByteBuffer

allocateDirectByteBufferSlab

private java.nio.ByteBuffer allocateDirectByteBufferSlab()

Allocate a DirectByteBuffer slab.