org.apache.cassandra.cache

Interface ICache<K,V>

All Superinterfaces:

CacheSize

All Known Implementing Classes:

CaffeineCache, SerializingCache

public interface ICache<K,V>
extends CacheSize

This is similar to the Map interface, but requires maintaining a given capacity and does not require put or remove to return values, which lets SerializingCache be more efficient by avoiding deserialize except on get.

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(K key)
V	get(K key)
java.util.Iterator<K>	hotKeyIterator(int n)
java.util.Iterator<K>	keyIterator()
void	put(K key, V value)
boolean	putIfAbsent(K key, V value)
void	remove(K key)
boolean	replace(K key, V old, V value)

Methods inherited from interface org.apache.cassandra.cache.CacheSize

capacity, setCapacity, size, weightedSize

Method Detail

put

void put(K key,
         V value)

putIfAbsent

boolean putIfAbsent(K key,
                    V value)

replace

boolean replace(K key,
                V old,
                V value)

get

V get(K key)

remove

void remove(K key)

clear

void clear()

keyIterator

java.util.Iterator<K> keyIterator()

hotKeyIterator

java.util.Iterator<K> hotKeyIterator(int n)

containsKey

boolean containsKey(K key)