com.atlassian.confluence.cache

Class ThreadLocalCacheAccessor<K,V>

java.lang.Object

com.atlassian.confluence.cache.ThreadLocalCacheAccessor<K,V>

public class ThreadLocalCacheAccessor<K,V>
extends Object

A type-safe way of accessing the WorkContext local cache For now, this class will put/get data to/from WorkContext local with fallback logic to "ThreadLocalCache" Later, when our code is updated as Vertigo compatible: - This class will use only VertigoThreadLocalCacheStore - This class will be renamed to WorkContextLocalCacheAccessor

Method Summary

Modifier and Type	Method and Description
static void	dispose() Dispose WorkContext local cache
static void	flush() Flush all WorkContext local cache values.
V	get(K key) Retrieve a value from the WorkContext local cache
V	get(K key, com.google.common.base.Supplier<V> supplier) Retrieve a value from the WorkContext local cache or from the given supplier.
static void	init() Init WorkContext local cache
static <K,V> ThreadLocalCacheAccessor<K,V>	newInstance() Factory method (for type inference)
void	put(K key, V value) Put a value in the WorkContext local cache

Methods inherited from class java.lang.Object

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

Method Detail

newInstance

public static <K,V> ThreadLocalCacheAccessor<K,V> newInstance()

Factory method (for type inference)

Returns:

an appropriately parameterised cache accessor

put

public void put(K key,
                V value)

Put a value in the WorkContext local cache

Parameters:

key - the key to cache

value - the value to cache

get

public V get(K key)

Retrieve a value from the WorkContext local cache

Parameters:

key - the key for the cache value

Returns:

the appropriate value, or null if nothing was cached for that key, or the cache has not been initialised

get

@Nonnull
public V get(@Nonnull
                      K key,
                      @Nonnull
                      com.google.common.base.Supplier<V> supplier)

Retrieve a value from the WorkContext local cache or from the given supplier.

Parameters:

key - the key for the cache value

supplier - supplier that can produce the value if needed

Returns:

the appropriate value as stored in the cache of produced by the supplier

Since:

5.9

init

public static void init()

Init WorkContext local cache

flush

public static void flush()

Flush all WorkContext local cache values.

Since:

5.9

dispose

public static void dispose()

Dispose WorkContext local cache