Package org.cyclos.impl.utils

Class GuavaStorage<K,V,R extends BiPredicate<K,V>>

java.lang.Object

org.cyclos.impl.utils.GuavaStorage<K,V,R>

All Implemented Interfaces:

ExpirableStorage<K,V,R>, Storage<K,V>

Direct Known Subclasses:

GuavaLocalStorage, GuavaSharedStorage

public abstract class GuavaStorage<K,V,R extends BiPredicate<K,V>>
extends Object
implements ExpirableStorage<K,V,R>

A ExpirableStorage implementation using a Guava cache

Field Summary

Fields

Modifier and Type	Field	Description
protected com.google.common.cache.Cache<K,V>	cache
protected StorageType<K,V>	type

Constructor Summary

Constructors

Constructor	Description
GuavaStorage(StorageType<K,V> type)

Method Summary

Modifier and Type	Method	Description
void	clear()	Removes all keys
V	get(K key)	Returns the value associated with the given key, or null if not present.
Set<K>	keys(R test)	Returns all keys that match the given predicate
protected void	onRemove(K key, V value)
void	remove(K key)	Removes the given key.
void	removeAll(Collection<K> keys)	Removes all the given keys.
void	removeIf(R test)	Removes all the values that matches against the given predicate
void	set(K key, V value)	Adds a value to the store

Methods inherited from class java.lang.Object

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

Field Detail

type

protected final StorageType<K,V> type

cache

protected final com.google.common.cache.Cache<K,V> cache

Constructor Detail

GuavaStorage

public GuavaStorage(StorageType<K,V> type)

Method Detail

clear

public void clear()

Description copied from interface: Storage

Removes all keys

Specified by:

clear in interface Storage<K,V>

get

public V get(K key)

Description copied from interface: Storage

Returns the value associated with the given key, or null if not present.

Specified by:

get in interface Storage<K,V>

keys

public Set<K> keys(R test)

Description copied from interface: ExpirableStorage

Returns all keys that match the given predicate

Specified by:

keys in interface ExpirableStorage<K,V,R extends BiPredicate<K,V>>

remove

public void remove(K key)

Description copied from interface: Storage

Removes the given key.

Specified by:

remove in interface Storage<K,V>

removeAll

public void removeAll(Collection<K> keys)

Description copied from interface: Storage

Removes all the given keys.

Specified by:

removeAll in interface Storage<K,V>

removeIf

public void removeIf(R test)

Description copied from interface: ExpirableStorage

Removes all the values that matches against the given predicate

Specified by:

removeIf in interface ExpirableStorage<K,V,R extends BiPredicate<K,V>>

set

public void set(K key,
                V value)

Description copied from interface: Storage

Adds a value to the store

Specified by:

set in interface Storage<K,V>

onRemove

protected void onRemove(K key,
                        V value)