com.thimbleware.jmemcached
Class Cache

java.lang.Object
  com.thimbleware.jmemcached.Cache

public class Cache
extends java.lang.Object

Field Summary

protected CacheStorage	cacheStorage
int	currentItems
int	getCmds
int	getHits
int	getMisses
int	setCmds
int	totalItems

Constructor Summary

Cache(CacheStorage cacheStorage)
Construct the server session handler

Method Summary

protected boolean	add(MCElement e) Add an element to the cache
boolean	delete(java.lang.String key, int time) Handle the deletion of an item from the cache.
protected boolean	flush_all() Flush all cache entries
protected boolean	flush_all(int expire) Flush all cache entries with a timestamp after a given expiration time
protected java.lang.Integer	get_add(java.lang.String key, int mod) Increment an (integer) element inthe cache
protected MCElement	get(java.lang.String key) Get an element from the cache
long	getCurrentBytes()
long	getCurrentItems()
int	getGetCmds()
int	getGetHits()
int	getGetMisses()
long	getLimitMaxBytes()
int	getSetCmds()
int	getTotalItems()
protected void	initStats() Initialize all statistic counters
protected boolean	is_there(java.lang.String key) Check whether an element is in the cache and non-expired
java.util.Set<java.lang.String>	keys()
protected int	Now()
boolean	replace(MCElement e) Replace an element in the cache
protected boolean	set(MCElement e) Set an element in the cache

Methods inherited from class java.lang.Object

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

Field Detail

currentItems

public int currentItems

totalItems

public int totalItems

getCmds

public int getCmds

setCmds

public int setCmds

getHits

public int getHits

getMisses

public int getMisses

cacheStorage

protected CacheStorage cacheStorage

Constructor Detail

Cache

public Cache(CacheStorage cacheStorage)

Construct the server session handler

Parameters:

cacheStorage - the cache to use

Method Detail

delete

public boolean delete(java.lang.String key,
                      int time)

Handle the deletion of an item from the cache.

Parameters:

key - the key for the item

time - only delete the element if time (time in seconds)

Returns:

the message response

add

protected boolean add(MCElement e)

Add an element to the cache

Parameters:

e - the element to add

Returns:

the message response string

replace

public boolean replace(MCElement e)

Replace an element in the cache

Parameters:

e - the element to replace

Returns:

the message response string

set

protected boolean set(MCElement e)

Set an element in the cache

Parameters:

e - the element to set

Returns:

the message response string

get_add

protected java.lang.Integer get_add(java.lang.String key,
                                    int mod)

Increment an (integer) element inthe cache

Parameters:

key - the key to increment

mod - the amount to add to the value

Returns:

the message response

is_there

protected boolean is_there(java.lang.String key)

Check whether an element is in the cache and non-expired

Parameters:

key - the key for the element to lookup

Returns:

whether the element is in the cache and is live

get

protected MCElement get(java.lang.String key)

Get an element from the cache

Parameters:

key - the key for the element to lookup

Returns:

the element, or 'null' in case of cache miss.

flush_all

protected boolean flush_all()

Flush all cache entries

Returns:

command response

flush_all

protected boolean flush_all(int expire)

Flush all cache entries with a timestamp after a given expiration time

Parameters:

expire - the flush time in seconds

Returns:

command response

Now

protected final int Now()

Returns:

the current time in seconds (from epoch), used for expiries, etc.

initStats

protected void initStats()

Initialize all statistic counters

keys

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

getCurrentItems

public long getCurrentItems()

getLimitMaxBytes

public long getLimitMaxBytes()

getCurrentBytes

public long getCurrentBytes()

getTotalItems

public int getTotalItems()

getGetCmds

public int getGetCmds()

getSetCmds

public int getSetCmds()

getGetHits

public int getGetHits()

getGetMisses

public int getGetMisses()