com.caucho.vfs

Class TempBuffer

java.lang.Object

com.caucho.vfs.TempBuffer

All Implemented Interfaces:

java.io.Serializable

public class TempBuffer
extends java.lang.Object
implements java.io.Serializable

Pooled temporary byte buffer.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	LARGE_SIZE
static int	SIZE
static int	SMALL_SIZE

Constructor Summary

Constructors

Constructor and Description
TempBuffer(int size) Create a new TempBuffer.

Method Summary

Modifier and Type	Method and Description
static TempBuffer	allocate() Allocate a TempBuffer, reusing one if available.
static TempBuffer	allocateLarge() Allocate a TempBuffer, reusing one if available.
static TempBuffer	allocateSmall() Allocate a TempBuffer, reusing one if available.
void	clear() Clears the buffer.
static void	clearFreeLists() Called on OOM to free buffers.
static void	free(TempBuffer buf) Frees a single buffer.
static void	freeAll(TempBuffer buf)
static void	freeAllLarge(TempBuffer buf)
static void	freeAllSmall(TempBuffer buf)
static void	freeLarge(TempBuffer buf) Frees a single buffer.
void	freeSelf()
static void	freeSmall(TempBuffer buf) Frees a single buffer.
int	getAvailable()
byte[]	getBuffer() Returns the buffer's underlying byte array.
int	getCapacity()
int	getLength() Returns the number of bytes in the buffer.
TempBuffer	getNext()
static boolean	isSmallmem() Returns true for a smallmem configuration
void	setLength(int length) Sets the number of bytes used in the buffer.
void	setNext(TempBuffer next)
int	write(byte[] buf, int offset, int length)

Methods inherited from class java.lang.Object

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

Field Detail

SMALL_SIZE

public static final int SMALL_SIZE

LARGE_SIZE

public static final int LARGE_SIZE

SIZE

public static final int SIZE

Constructor Detail

TempBuffer

public TempBuffer(int size)

Create a new TempBuffer.

Method Detail

isSmallmem

public static boolean isSmallmem()

Returns true for a smallmem configuration

allocate

public static TempBuffer allocate()

Allocate a TempBuffer, reusing one if available.

allocateSmall

public static TempBuffer allocateSmall()

Allocate a TempBuffer, reusing one if available.

allocateLarge

public static TempBuffer allocateLarge()

Allocate a TempBuffer, reusing one if available.

clear

public void clear()

Clears the buffer.

getBuffer

public final byte[] getBuffer()

Returns the buffer's underlying byte array.

getLength

public final int getLength()

Returns the number of bytes in the buffer.

setLength

public final void setLength(int length)

Sets the number of bytes used in the buffer.

getCapacity

public final int getCapacity()

getAvailable

public int getAvailable()

getNext

public final TempBuffer getNext()

setNext

public final void setNext(TempBuffer next)

write

public int write(byte[] buf,
                 int offset,
                 int length)

freeSelf

public void freeSelf()

free

public static void free(TempBuffer buf)

Frees a single buffer.

freeAll

public static void freeAll(TempBuffer buf)

freeSmall

public static void freeSmall(TempBuffer buf)

Frees a single buffer.

freeAllSmall

public static void freeAllSmall(TempBuffer buf)

freeLarge

public static void freeLarge(TempBuffer buf)

Frees a single buffer.

freeAllLarge

public static void freeAllLarge(TempBuffer buf)

clearFreeLists

public static void clearFreeLists()

Called on OOM to free buffers.