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 threadlocal cache

See Also:

ThreadLocalCache

Method Summary

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

Parameters:

key - the key to cache

value - the value to cache

get

public V get(K key)

Retrieve a value from the threadlocal 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 threadlocal 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 void init()

flush

public void flush()

Flush all thread local cache values.

Since:

5.9