org.apache.nifi.distributed.cache.client

Class AtomicCacheEntry<K,V,R>

java.lang.Object

org.apache.nifi.distributed.cache.client.AtomicCacheEntry<K,V,R>

public class AtomicCacheEntry<K,V,R>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private K	key
private R	revision
private V	value

Constructor Summary

Constructors

Constructor and Description
AtomicCacheEntry(K key, V value, R revision) Create new cache entry.

Method Summary

Modifier and Type	Method and Description
K	getKey()
Optional<R>	getRevision()
V	getValue()
void	setValue(V value)

Methods inherited from class java.lang.Object

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

Field Detail

key

private final K key

value

private V value

revision

private final R revision

Constructor Detail

AtomicCacheEntry

public AtomicCacheEntry(K key,
                        V value,
                        R revision)

Create new cache entry.

Parameters:

key - cache key

value - cache value

revision - cache revision, can be null with a brand new entry

Method Detail

getRevision

public Optional<R> getRevision()

Returns:

the latest revision stored in a cache server

getKey

public K getKey()

getValue

public V getValue()

setValue

public void setValue(V value)