com.atlassian.bamboo.util
Class NullAwareCache<K,V>

java.lang.Object
  com.atlassian.bamboo.util.NullAwareCache<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

com.google.common.base.Function<K,V>, com.google.common.cache.Cache<K,V>

public class NullAwareCache<K,V>
extends java.lang.Object
implements com.google.common.cache.Cache<K,V>

This class provides a Guava-compatible cache capable of storing null values. In general, it should not be used unless for backward compatibility reasons.

Constructor Summary

NullAwareCache(com.google.common.cache.Cache<K,com.atlassian.fage.Option<V>> cache)

Method Summary

V	apply(K key)
java.util.concurrent.ConcurrentMap<K,V>	asMap()
void	cleanUp()
boolean	equals(java.lang.Object object)
V	get(K key)
V	getUnchecked(K key)
void	invalidate(java.lang.Object key)
void	invalidateAll()
long	size()
com.google.common.cache.CacheStats	stats()

Methods inherited from class java.lang.Object

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

Constructor Detail

NullAwareCache

public NullAwareCache(com.google.common.cache.Cache<K,com.atlassian.fage.Option<V>> cache)

Method Detail

get

@Nullable
public V get(K key)
      throws java.util.concurrent.ExecutionException

Specified by:

get in interface com.google.common.cache.Cache<K,V>

Throws:

java.util.concurrent.ExecutionException

getUnchecked

@Nullable
public V getUnchecked(K key)

Specified by:

getUnchecked in interface com.google.common.cache.Cache<K,V>

apply

@Nullable
public V apply(K key)

Specified by:

apply in interface com.google.common.base.Function<K,V>

Specified by:

apply in interface com.google.common.cache.Cache<K,V>

invalidate

public void invalidate(java.lang.Object key)

Specified by:

invalidate in interface com.google.common.cache.Cache<K,V>

invalidateAll

public void invalidateAll()

Specified by:

invalidateAll in interface com.google.common.cache.Cache<K,V>

size

public long size()

Specified by:

size in interface com.google.common.cache.Cache<K,V>

stats

public com.google.common.cache.CacheStats stats()

Specified by:

stats in interface com.google.common.cache.Cache<K,V>

asMap

public java.util.concurrent.ConcurrentMap<K,V> asMap()

Specified by:

asMap in interface com.google.common.cache.Cache<K,V>

cleanUp

public void cleanUp()

Specified by:

cleanUp in interface com.google.common.cache.Cache<K,V>

equals

public boolean equals(@Nullable
                      java.lang.Object object)

Specified by:

equals in interface com.google.common.base.Function<K,V>

Overrides:

equals in class java.lang.Object