com.gigaspaces.internal.io

Class SmartLengthBasedCache<T>

java.lang.Object

com.gigaspaces.internal.io.SmartLengthBasedCache<T>

Direct Known Subclasses:

SmartByteArrayCache, SmartByteBufferCache

public abstract class SmartLengthBasedCache<T>
extends Object

A smart length based caching based on soft reference

Since:

9.6

Author:

eitany

Constructor Summary

Constructors

Constructor and Description
SmartLengthBasedCache(int maxCachedBufferLength, double expungeRatio, int expungeCount, int defaultResourceLength, ISmartLengthBasedCacheCallback callback)

Method Summary

Modifier and Type	Method and Description
protected abstract T	createResource(int length)
T	get()
T	get(int length)
long	getLength()
protected abstract int	getResourceCapacity(T resource)
void	notifyUsedSize(int usedSize)
protected abstract void	prepareResource(T resource)
protected abstract void	prepareResource(T resource, int length)
void	set(T resource)
static ISmartLengthBasedCacheCallback	toCacheCallback(IMemoryAwareResourcePool resourcePool)
protected void	tryCacheResource(T resource)

Methods inherited from class java.lang.Object

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

Constructor Detail

SmartLengthBasedCache

public SmartLengthBasedCache(int maxCachedBufferLength,
                             double expungeRatio,
                             int expungeCount,
                             int defaultResourceLength,
                             ISmartLengthBasedCacheCallback callback)

Method Detail

get

public T get(int length)

tryCacheResource

protected void tryCacheResource(T resource)

prepareResource

protected abstract void prepareResource(T resource)

prepareResource

protected abstract void prepareResource(T resource,
                                        int length)

createResource

protected abstract T createResource(int length)

getResourceCapacity

protected abstract int getResourceCapacity(T resource)

getLength

public long getLength()

get

public T get()

set

public void set(T resource)

notifyUsedSize

public void notifyUsedSize(int usedSize)

toCacheCallback

public static ISmartLengthBasedCacheCallback toCacheCallback(IMemoryAwareResourcePool resourcePool)