org.objectweb.jonathan.libs.resources
Class JChunkFactory

java.lang.Object
  |
  +--org.objectweb.jonathan.libs.resources.JChunkFactory

All Implemented Interfaces:

ChunkFactory

public final class JChunkFactory

extends Object

implements ChunkFactory

A Chunk Factory implementation.

A chunk factory creates and manages chunks. This chunk factory manages two pools of chunks of different sizes, so that a released chunk may be reused in a different context, saving the time for allocating and collecting the associated memory. The sizes of the chunks used, and of the preallocated pools may be changed.

Field Summary

boolean

verbose Indicates whether warning message should be printed to stderr.

Method Summary

Chunk	newChunk() Returns a chunk of a default (small) size.
Chunk	newChunk(int size) Returns a chunk of (at least) the specified size.

Methods inherited from class java.lang.Object

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

Field Detail

verbose

public boolean verbose

Indicates whether warning message should be printed to stderr.

In particular, if verbose is true, and if all the chunks in a pool are used, a warning will be emitted. This may be useful to tune the pool sizes.

This value is defined under the name "/jonathan/JChunkFactory/verbose" in the bootstrap context.

Method Detail

newChunk

public Chunk newChunk()

Returns a chunk of a default (small) size.

Specified by:

newChunk in interface ChunkFactory

Returns:

a chunk

newChunk

public Chunk newChunk(int size)

Returns a chunk of (at least) the specified size.

This method may return a larger chunk than expected.

Specified by:

newChunk in interface ChunkFactory

Parameters:

size - the expected size of the chunk.

Returns:

a chunk