Package com.ibatis.sqlmap.engine.cache.lru

Class LruCacheController

java.lang.Object

com.ibatis.sqlmap.engine.cache.lru.LruCacheController

All Implemented Interfaces:

CacheController

public class LruCacheController
extends Object
implements CacheController

LRU (least recently used) cache controller implementation.

Constructor Summary

Constructors

Constructor	Description
LruCacheController()	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	flush(CacheModel cacheModel)	Flushes the cache.
int	getCacheSize()	Gets the cache size.
Object	getObject(CacheModel cacheModel, Object key)	Get an object out of the cache.
void	putObject(CacheModel cacheModel, Object key, Object value)	Add an object to the cache
Object	removeObject(CacheModel cacheModel, Object key)	Remove an object from a cache model.
void	setCacheSize(int cacheSize)	Sets the cache size.
void	setProperties(Properties props)	Configures the cache

Methods inherited from class java.lang.Object

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

Constructor Details

LruCacheController

public LruCacheController()

Default constructor.

Method Details

getCacheSize

public int getCacheSize()

Gets the cache size.

Returns:

the cache size

setCacheSize

public void setCacheSize(int cacheSize)

Sets the cache size.

Parameters:

cacheSize - the new cache size

setProperties

public void setProperties(Properties props)

Configures the cache

Specified by:

setProperties in interface CacheController

Parameters:

props - Optionally can contain properties [reference-type=WEAK|SOFT|STRONG]

putObject

public void putObject(CacheModel cacheModel,
 Object key,
 Object value)

Add an object to the cache

Specified by:

putObject in interface CacheController

Parameters:

cacheModel - The cacheModel

key - The key of the object to be cached

value - The object to be cached

getObject

public Object getObject(CacheModel cacheModel,
 Object key)

Get an object out of the cache.

Specified by:

getObject in interface CacheController

Parameters:

cacheModel - The cache model

key - The key of the object to be returned

Returns:

The cached object (or null)

removeObject

public Object removeObject(CacheModel cacheModel,
 Object key)

Description copied from interface: CacheController

Remove an object from a cache model.

Specified by:

removeObject in interface CacheController

Parameters:

cacheModel - - the model to remove the object from

key - - the key to the object

Returns:

the removed object(?)

flush

public void flush(CacheModel cacheModel)

Flushes the cache.

Specified by:

flush in interface CacheController

Parameters:

cacheModel - The cache model