software.amazon.jdbc.util.storage

Class CacheMap<K,V>

java.lang.Object

software.amazon.jdbc.util.storage.CacheMap<K,V>

public class CacheMap<K,V>
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<K,CacheItem<V>>	cache
protected long	cleanupIntervalNanos
protected java.util.concurrent.atomic.AtomicLong	cleanupTimeNanos

Constructor Summary

Constructors

Constructor and Description
CacheMap()

Method Summary

Modifier and Type	Method and Description
protected void	cleanUp()
void	clear()
V	get(K key)
V	get(K key, V defaultItemValue, long itemExpirationNano)
java.util.Map<K,V>	getEntries()
void	put(K key, V item, long itemExpirationNano)
void	putIfAbsent(K key, V item, long itemExpirationNano)
void	remove(K key)
int	size()

Methods inherited from class java.lang.Object

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

Field Detail

cache

protected final java.util.Map<K,CacheItem<V>> cache

cleanupIntervalNanos

protected final long cleanupIntervalNanos

cleanupTimeNanos

protected final java.util.concurrent.atomic.AtomicLong cleanupTimeNanos

Constructor Detail

CacheMap

public CacheMap()

Method Detail

get

public V get(K key)

get

public V get(K key,
             V defaultItemValue,
             long itemExpirationNano)

put

public void put(K key,
                V item,
                long itemExpirationNano)

putIfAbsent

public void putIfAbsent(K key,
                        V item,
                        long itemExpirationNano)

remove

public void remove(K key)

clear

public void clear()

getEntries

public java.util.Map<K,V> getEntries()

size

public int size()

cleanUp

protected void cleanUp()