org.rythmengine.cache
Class SimpleCacheService

java.lang.Object
  org.rythmengine.cache.SimpleCacheService

All Implemented Interfaces:

ICacheService

public class SimpleCacheService
extends Object
implements ICacheService

A simple cache service implementation

Field Summary

static SimpleCacheService

INSTANCE

Method Summary

void	clear() Remove all cached items
boolean	contains(String key) Check if the cache contains key
void	evict(String key) Remove an item from the cache service by key
protected void	finalize()
Serializable	get(String key) Return an item from the cache service by key
void	put(String key, Serializable value) Store an item into the cache by key and use default ttl
void	put(String key, Serializable value, int ttl) Store an item into the cache service by key and set ttl value
Serializable	remove(String key) Remove an item from cache service by key
void	setDefaultTTL(int ttl) Set default ttl value which will be used if user pass 0 as ttl or not specified ttl
void	shutdown() Shutdown the cache service
void	startup() Restart the cache service after shutdown

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final SimpleCacheService INSTANCE

Method Detail

put

public void put(String key,
                Serializable value,
                int ttl)

Description copied from interface: ICacheService

Store an item into the cache service by key and set ttl value

Specified by:

put in interface ICacheService

ttl - time to live of the cached item. Time unit is second. If set to negative number, then it will never expire. If set to zero then the default ttl value will be used

put

public void put(String key,
                Serializable value)

Description copied from interface: ICacheService

Store an item into the cache by key and use default ttl

Specified by:

put in interface ICacheService

remove

public Serializable remove(String key)

Description copied from interface: ICacheService

Remove an item from cache service by key

Specified by:

remove in interface ICacheService

Returns:

the value associated with the key

evict

public void evict(String key)

Description copied from interface: ICacheService

Remove an item from the cache service by key

Specified by:

evict in interface ICacheService

clear

public void clear()

Description copied from interface: ICacheService

Remove all cached items

Specified by:

clear in interface ICacheService

get

public Serializable get(String key)

Description copied from interface: ICacheService

Return an item from the cache service by key

Specified by:

get in interface ICacheService

Returns:

the value associated with the key

contains

public boolean contains(String key)

Description copied from interface: ICacheService

Check if the cache contains key

Specified by:

contains in interface ICacheService

Returns:

true if key is found in the cache

setDefaultTTL

public void setDefaultTTL(int ttl)

Description copied from interface: ICacheService

Set default ttl value which will be used if user pass 0 as ttl or not specified ttl

Specified by:

setDefaultTTL in interface ICacheService

shutdown

public void shutdown()

Description copied from interface: ICacheService

Shutdown the cache service

Specified by:

shutdown in interface ICacheService

startup

public void startup()

Description copied from interface: ICacheService

Restart the cache service after shutdown

Note, by default the cache service should be started after initialized

Specified by:

startup in interface ICacheService

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable