org.hippoecm.hst.cache

Class NOOPHstCache

java.lang.Object

org.hippoecm.hst.cache.NOOPHstCache

All Implemented Interfaces:

HstCache

public class NOOPHstCache
extends Object
implements HstCache

NOOPHstCache

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NOOPHstCache.NOOPCacheElement

Constructor Summary

Constructors

Constructor and Description
NOOPHstCache()

Method Summary

Modifier and Type	Method and Description
void	clear()
CacheElement	createElement(Object key, Object content)
CacheElement	createUncacheableElement(Object key, Object content)
CacheElement	get(Object key) Returns the CacheElement for key and null otherwise.
CacheElement	get(Object key, Callable<? extends CacheElement> valueLoader)
int	getMaxSize()
int	getSize()
int	getTimeToIdleSeconds()
int	getTimeToLiveSeconds()
boolean	isKeyInCache(Object key)
void	put(CacheElement object)
boolean	remove(Object key)

Methods inherited from class java.lang.Object

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

Constructor Detail

NOOPHstCache

public NOOPHstCache()

Method Detail

createElement

public CacheElement createElement(Object key,
                                  Object content)

Specified by:

createElement in interface HstCache

createUncacheableElement

public CacheElement createUncacheableElement(Object key,
                                             Object content)

Specified by:

createUncacheableElement in interface HstCache

Returns:

a CacheElement that is marked to be uncacheable

put

public void put(CacheElement object)

Specified by:

put in interface HstCache

isKeyInCache

public boolean isKeyInCache(Object key)

Specified by:

isKeyInCache in interface HstCache

get

public CacheElement get(Object key)

Description copied from interface: HstCache

Returns the CacheElement for key and null otherwise. Please be aware that if the underlying cache such as ehcache BlockingCache sets a lock using the key, then typically you need to free this lock your self.

Specified by:

get in interface HstCache

Returns:

the CacheElement for key and null otherwise

get

public CacheElement get(Object key,
                        Callable<? extends CacheElement> valueLoader)

Specified by:

get in interface HstCache

Parameters:

key - the key to get from the cache or to put an object for in the cache when the cache does not yet contain key

valueLoader - will be used to load the value for key if cache does not yet contain an object for key. The loaded value is put in the cache. The valueLoader is not allowed to return null but is allowed to return a CacheElement with content null.

Returns:

the element from the cache, or the just retrieved and stored element through valueloader

remove

public boolean remove(Object key)

Specified by:

remove in interface HstCache

clear

public void clear()

Specified by:

clear in interface HstCache

getMaxSize

public int getMaxSize()

Specified by:

getMaxSize in interface HstCache

getSize

public int getSize()

Specified by:

getSize in interface HstCache

getTimeToIdleSeconds

public int getTimeToIdleSeconds()

Specified by:

getTimeToIdleSeconds in interface HstCache

getTimeToLiveSeconds

public int getTimeToLiveSeconds()

Specified by:

getTimeToLiveSeconds in interface HstCache