com.edorasware.one.cache.internal

Class StatisticsAwareCacheWrapper

java.lang.Object

com.edorasware.one.cache.internal.StatisticsAwareCacheWrapper

All Implemented Interfaces:

CacheStatistics, org.springframework.cache.Cache

public class StatisticsAwareCacheWrapper
extends Object
implements org.springframework.cache.Cache, CacheStatistics

This class wraps a Cache and holds the statistical data to satisfy the CacheStatistics interface.

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.cache.Cache

org.springframework.cache.Cache.ValueRetrievalException, org.springframework.cache.Cache.ValueWrapper

Method Summary

Modifier and Type	Method and Description
void	clear()
static StatisticsAwareCacheWrapper	create(org.springframework.cache.Cache wrappedCache) Creates a new instance based on the given Cache.
void	evict(Object key)
org.springframework.cache.Cache.ValueWrapper	get(Object key)
<T> T	get(Object key, Callable<T> valueLoader)
<T> T	get(Object key, Class<T> type)
long	getCacheClearedCount() Returns how many times the cache has been cleared completely.
long	getCurrentEntries() Returns the amount of current entries cached.
double	getEffectiveness() Returns the effectiveness of a cache: hits / (hits + misses)
long	getEntriesEvicted() Returns the amount of entries evicted.
long	getEntriesHit() Returns the amount of entries hit.
long	getEntriesMissed() Returns the amount of entries missed.
String	getName() Returns the name of the cache.
Object	getNativeCache()
void	put(Object key, Object value)
org.springframework.cache.Cache.ValueWrapper	putIfAbsent(Object key, Object value)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static StatisticsAwareCacheWrapper create(org.springframework.cache.Cache wrappedCache)

Creates a new instance based on the given Cache.

Parameters:

wrappedCache - the cache for which to add statistical data

Returns:

the wrapped cache with statistical data

getEffectiveness

public double getEffectiveness()

Description copied from interface: CacheStatistics

Returns the effectiveness of a cache: hits / (hits + misses)

Specified by:

getEffectiveness in interface CacheStatistics

Returns:

the effectiveness of a cache: hits / (hits + misses)

getCurrentEntries

public long getCurrentEntries()

Description copied from interface: CacheStatistics

Returns the amount of current entries cached.

Specified by:

getCurrentEntries in interface CacheStatistics

Returns:

the amount of current entries cached

getEntriesHit

public long getEntriesHit()

Description copied from interface: CacheStatistics

Returns the amount of entries hit.

Specified by:

getEntriesHit in interface CacheStatistics

Returns:

the amount of entries hit

getEntriesMissed

public long getEntriesMissed()

Description copied from interface: CacheStatistics

Returns the amount of entries missed.

Specified by:

getEntriesMissed in interface CacheStatistics

Returns:

the amount of entries missed

getEntriesEvicted

public long getEntriesEvicted()

Description copied from interface: CacheStatistics

Returns the amount of entries evicted.

Specified by:

getEntriesEvicted in interface CacheStatistics

Returns:

the amount of entries evicted

getCacheClearedCount

public long getCacheClearedCount()

Description copied from interface: CacheStatistics

Returns how many times the cache has been cleared completely.

Specified by:

getCacheClearedCount in interface CacheStatistics

Returns:

how many times the cache has been cleared completely

getName

public String getName()

Description copied from interface: CacheStatistics

Returns the name of the cache.

Specified by:

getName in interface CacheStatistics

Specified by:

getName in interface org.springframework.cache.Cache

Returns:

the name of the cache.

getNativeCache

public Object getNativeCache()

Specified by:

getNativeCache in interface org.springframework.cache.Cache

get

public org.springframework.cache.Cache.ValueWrapper get(Object key)

Specified by:

get in interface org.springframework.cache.Cache

get

public <T> T get(Object key,
                 Class<T> type)

Specified by:

get in interface org.springframework.cache.Cache

get

public <T> T get(Object key,
                 Callable<T> valueLoader)

Specified by:

get in interface org.springframework.cache.Cache

put

public void put(Object key,
                Object value)

Specified by:

put in interface org.springframework.cache.Cache

putIfAbsent

public org.springframework.cache.Cache.ValueWrapper putIfAbsent(Object key,
                                                                Object value)

Specified by:

putIfAbsent in interface org.springframework.cache.Cache

evict

public void evict(Object key)

Specified by:

evict in interface org.springframework.cache.Cache

clear

public void clear()

Specified by:

clear in interface org.springframework.cache.Cache