Package gw.util.cache

Class WeakFqnCache<T>

java.lang.Object

gw.util.cache.WeakFqnCache<T>

All Implemented Interfaces:

IFqnCache<T>

public class WeakFqnCache<T>
extends Object
implements IFqnCache<T>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	WeakFqnCache.KeyedReference<T>

Field Summary

Fields

Modifier and Type	Field	Description
private FqnCache<WeakReference<T>>	_cache
private ReferenceQueue<T>	_queue

Constructor Summary

Constructors

Constructor	Description
WeakFqnCache()

Method Summary

Modifier and Type	Method	Description
private boolean	_remove(String fqn)
void	add(String fqn)
void	add(String fqn, T userData)
void	clear()
boolean	contains(String fqn)
T	get(String fqn)
Set<String>	getFqns()
FqnCacheNode<WeakReference<T>>	getNode(String fqn)
boolean	remove(String fqn)
void	remove(String[] fqns)
private void	removeReleasedEntries()
void	visitBreadthFirst(Predicate<T> visitor)
void	visitDepthFirst(Predicate<T> visitor)
void	visitNodeDepthFirst(Predicate<FqnCacheNode> visitor)

Methods inherited from class java.lang.Object

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

Field Details

_cache

private FqnCache<WeakReference<T>> _cache

_queue

private ReferenceQueue<T> _queue

Constructor Details

WeakFqnCache

public WeakFqnCache()

Method Details

add

public void add(String fqn)

Specified by:

add in interface IFqnCache<T>

add

public void add(String fqn,
 T userData)

Specified by:

add in interface IFqnCache<T>

remove

public boolean remove(String fqn)

Specified by:

remove in interface IFqnCache<T>

_remove

private boolean _remove(String fqn)

get

public T get(String fqn)

Specified by:

get in interface IFqnCache<T>

getNode

public FqnCacheNode<WeakReference<T>> getNode(String fqn)

Specified by:

getNode in interface IFqnCache<T>

contains

public boolean contains(String fqn)

Specified by:

contains in interface IFqnCache<T>

remove

public void remove(String[] fqns)

Specified by:

remove in interface IFqnCache<T>

clear

public void clear()

Specified by:

clear in interface IFqnCache<T>

getFqns

public Set<String> getFqns()

Specified by:

getFqns in interface IFqnCache<T>

visitDepthFirst

public void visitDepthFirst(Predicate<T> visitor)

Specified by:

visitDepthFirst in interface IFqnCache<T>

Parameters:

visitor - returns whether or not to terminate visiting

visitNodeDepthFirst

public void visitNodeDepthFirst(Predicate<FqnCacheNode> visitor)

Specified by:

visitNodeDepthFirst in interface IFqnCache<T>

visitBreadthFirst

public void visitBreadthFirst(Predicate<T> visitor)

Specified by:

visitBreadthFirst in interface IFqnCache<T>

Parameters:

visitor - returns whether or not to continue visiting children of T

removeReleasedEntries

private void removeReleasedEntries()