Package 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	Description
void	flush()	Flush all thread local cache values.
@NonNull V	get(@NonNull K key, @NonNull com.google.common.base.Supplier<V> supplier)	Deprecated. since 7.0.1.
V	get(K key)	Retrieve a value from the threadlocal cache
@NonNull V	getOrCompute(@NonNull K key, @NonNull 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

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

Deprecated.

since 7.0.1. Use getOrCompute(Object, 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

getOrCompute

public @NonNull V getOrCompute(@NonNull K key,
                               @NonNull 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:

7.0.1

init

public void init()

flush

public void flush()

Flush all thread local cache values.

Since:

5.9