com.anthonyeden.lib.cache
Class InMemoryCache

java.lang.Object
  com.anthonyeden.lib.cache.AbstractCache
      com.anthonyeden.lib.cache.InMemoryCache

All Implemented Interfaces:

Cache

public class InMemoryCache

extends AbstractCache

Cache implementation which stores the cached values in memory.

Since:

1.1

Author:

Anthony Eden

Field Summary

Fields inherited from class com.anthonyeden.lib.cache.AbstractCache

DEFAULT_TTL, ttl

Constructor Summary

InMemoryCache()
Construct a new InMemoryCache.

Method Summary

java.lang.Object	get(java.lang.Object key) Get the value for the given key from the cache.
void	loadConfiguration(Configuration configuration) Load the Cache's configuration from the given Configuration object.
void	put(java.lang.Object key, java.lang.Object value) Insert a value into the cache.
void	put(java.lang.Object key, java.lang.Object value, int ttl) Insert a value into the cache with the specified time to live.
void	remove(java.lang.Object key) Remove a value from the cache.

Methods inherited from class com.anthonyeden.lib.cache.AbstractCache

getTTL, isExpired, setTTL, setTTL

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryCache

public InMemoryCache()

Construct a new InMemoryCache.

Method Detail

get

public java.lang.Object get(java.lang.Object key)

Get the value for the given key from the cache. This method may return null if there is no value or the value is expired.

Parameters:

key - The key

Returns:

The value or null

put

public void put(java.lang.Object key,
                java.lang.Object value)

Insert a value into the cache.

Parameters:

key - The key

value - The value

put

public void put(java.lang.Object key,
                java.lang.Object value,
                int ttl)

Insert a value into the cache with the specified time to live. The specified time to live overrides the default time to live. A value less than 0 is be considered as "infinate".

Parameters:

key - The key

value - The value

ttl - The time to live

remove

public void remove(java.lang.Object key)

Remove a value from the cache.

Parameters:

key - The key

loadConfiguration

public void loadConfiguration(Configuration configuration)
                       throws ConfigurationException

Load the Cache's configuration from the given Configuration object.

Specified by:

loadConfiguration in interface Cache

Overrides:

loadConfiguration in class AbstractCache

Parameters:

configuration - The Configuration object

Throws:

ConfigurationException