com.atlassian.cache.hazelcast

Class CacheVersionAwareCacheLoader<K,V>

java.lang.Object

com.atlassian.cache.hazelcast.CacheVersionAwareCacheLoader<K,V>

All Implemented Interfaces:

CacheLoader<K,V>

public class CacheVersionAwareCacheLoader<K,V>
extends Object
implements CacheLoader<K,V>

Cache loader wrapper which will re-invoke original loader if cache version changes while entry loading was in progress

Cache version changed each time when removeAll or clear is called

Method Summary

Modifier and Type	Method and Description
V	load(K key) Loads the value for the given key.

Methods inherited from class java.lang.Object

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

Method Detail

load

@Nonnull
public V load(@Nonnull
                       K key)

Description copied from interface: CacheLoader

Loads the value for the given key.

Specified by:

load in interface CacheLoader<K,V>

Parameters:

key - the key for which to load the value (required)

Returns:

a non-null value; if null values are possible, e.g. when the key is a database ID that does not actually exist, declare the loader's value type to be a wrapper type such as Guava's Option<Foo> class