com.thimbleware.jmemcached
Class LRUCacheStorageDelegate

java.lang.Object
  com.thimbleware.jmemcached.LRUCacheStorageDelegate

All Implemented Interfaces:

CacheStorage

public final class LRUCacheStorageDelegate
extends java.lang.Object
implements CacheStorage

A delegate around the internal thread-safe LRUCache implementation.

Constructor Summary

LRUCacheStorageDelegate(int maxSize, long maxBytes, long ceilingSize)

Method Summary

long	count()
void	flushAll() Flush all entries from the cache
MCElement	get(java.lang.String keystring) Retrieve an element from the cache.
java.util.Set<java.lang.String>	keys()
long	maxSize()
void	put(java.lang.String keystring, MCElement el) Put an entry into the cache or replace an existing entry.
void	remove(java.lang.String keystring) Remove an entry from the cache
long	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

LRUCacheStorageDelegate

public LRUCacheStorageDelegate(int maxSize,
                               long maxBytes,
                               long ceilingSize)

Method Detail

get

public MCElement get(java.lang.String keystring)

Description copied from interface: CacheStorage

Retrieve an element from the cache. The retriever is responsible for counting hits, managing expirations, etc.

Specified by:

get in interface CacheStorage

Parameters:

keystring - the key identifying the entry

Returns:

a cache element

put

public void put(java.lang.String keystring,
                MCElement el)

Description copied from interface: CacheStorage

Put an entry into the cache or replace an existing entry.

Specified by:

put in interface CacheStorage

Parameters:

keystring - the key identifying the entry

el - the element to place in the cache

remove

public void remove(java.lang.String keystring)

Description copied from interface: CacheStorage

Remove an entry from the cache

Specified by:

remove in interface CacheStorage

Parameters:

keystring - the key to lookup

keys

public java.util.Set<java.lang.String> keys()

Specified by:

keys in interface CacheStorage

Returns:

the list of keys currently managed in the cache

size

public long size()

Specified by:

size in interface CacheStorage

Returns:

the total count (in bytes) of all the elements in the cache

flushAll

public void flushAll()

Description copied from interface: CacheStorage

Flush all entries from the cache

Specified by:

flushAll in interface CacheStorage

count

public long count()

Specified by:

count in interface CacheStorage

Returns:

how many entries are in the cache

maxSize

public long maxSize()

Specified by:

maxSize in interface CacheStorage

Returns:

the maximum capacity (in bytes) of the cache