net.dontdrinkandroot.cache.expungestrategy.impl
Class AbstractMaxSizeExpungeStrategy

java.lang.Object
  net.dontdrinkandroot.cache.expungestrategy.impl.AbstractMaxSizeExpungeStrategy

All Implemented Interfaces:

ExpungeStrategy

Direct Known Subclasses:

AbstractOneOverMaxSizeExpungeStrategy, AbstractRecyclingExpungeStrategy

public abstract class AbstractMaxSizeExpungeStrategy
extends Object
implements ExpungeStrategy

An ExpungeStrategy that selects all expired entries and entries according to the implementation so that after those entries have been expunged the cache size is not larger that the given max size.

Author:

Philip W. Sorst

Field Summary

protected int

maxSize

Constructor Summary

AbstractMaxSizeExpungeStrategy(int maxSize)
Constructs a new AbstractMaxSizeExpungeStrategy with the given max size.

Method Summary

protected abstract <K,M extends MetaData> Comparator<Map.Entry<K,M>>	getComparator()
int	getMaxSize() Get the current max size of this strategy.
<K,M extends MetaData> Collection<Map.Entry<K,M>>	getToExpungeMetaData(Set<Map.Entry<K,M>> entrySet) Returns a collection of entries that should be expunged according to this strategy.
void	setMaxSize(int maxSize) Set the max size of this strategy.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.dontdrinkandroot.cache.expungestrategy.ExpungeStrategy

triggers

Field Detail

maxSize

protected int maxSize

Constructor Detail

AbstractMaxSizeExpungeStrategy

public AbstractMaxSizeExpungeStrategy(int maxSize)

Constructs a new AbstractMaxSizeExpungeStrategy with the given max size.

Method Detail

getMaxSize

public int getMaxSize()

Get the current max size of this strategy.

getToExpungeMetaData

public <K,M extends MetaData> Collection<Map.Entry<K,M>> getToExpungeMetaData(Set<Map.Entry<K,M>> entrySet)

Description copied from interface: ExpungeStrategy

Returns a collection of entries that should be expunged according to this strategy.

Specified by:

getToExpungeMetaData in interface ExpungeStrategy

setMaxSize

public void setMaxSize(int maxSize)

Set the max size of this strategy.

getComparator

protected abstract <K,M extends MetaData> Comparator<Map.Entry<K,M>> getComparator()