ej.sni

Class PoolOfReusableResources

java.lang.Object

ej.sni.PoolOfReusableResources

Direct Known Subclasses:

PoolOfLimitedReusableResources

public abstract class PoolOfReusableResources
extends Object

A pool of reusable resources. A buffer is reserved using reserve() and released using release(Object). Pool may have a maximum number of resources.

Constructor Summary

Constructors

Constructor and Description
PoolOfReusableResources(int maxNbResources) Allocate a new pool of resources

Method Summary

Modifier and Type	Method and Description
protected abstract Object	newResource() Allocate a new resource
void	release(Object buffer)
Object	reserve() Reserve a buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

PoolOfReusableResources

public PoolOfReusableResources(int maxNbResources)

Allocate a new pool of resources

Parameters:

maxNbResources - a strictly positive integer giving the maximum number of allocated resources, or 0 if an unlimited number of resources is allowed

Method Detail

reserve

public Object reserve()

Reserve a buffer. In case all resources are in use and the maximum number of resources is not reached, a new buffer is allocated. Otherwise this function blocks until a buffer is available

Returns:

an array

release

public void release(Object buffer)

newResource

protected abstract Object newResource()

Allocate a new resource

Returns:

the new allocated resource