com.atlassian.cache.memory.jmx

Class MemoryCacheMXBeanImpl

java.lang.Object

com.atlassian.cache.memory.jmx.MemoryCacheMXBeanImpl

All Implemented Interfaces:

MemoryCacheMXBean

public class MemoryCacheMXBeanImpl
extends Object
implements MemoryCacheMXBean

JMX MBean implementation for Guava Cache

Since:

v3.1

Constructor Summary

Constructors

Constructor and Description
MemoryCacheMXBeanImpl(CacheManager cacheManager, String cacheName)

Method Summary

Modifier and Type	Method and Description
double	getAverageLoadPenalty() Returns the average time spent loading new values.
long	getEvictionCount() Returns the number of times an entry has been evicted.
long	getHitCount() Returns the number of times Cache lookup methods have returned a cached value.
double	getHitRate() Returns the ratio of cache requests which were hits.
long	getLoadCount() Returns the total number of times that Cache lookup methods attempted to load new values.
long	getLoadExceptionCount() Returns the number of times Cache lookup methods threw an exception while loading a new value.
double	getLoadExceptionRate() Returns the ratio of cache loading attempts which threw exceptions.
long	getLoadSuccessCount() Returns the number of times Cache lookup methods have successfully loaded a new value.
long	getMissCount() Returns the number of times Cache lookup methods have returned an uncached (newly loaded) value, or null.
double	getMissRate() Returns the ratio of cache requests which were misses.
long	getRequestCount() Returns the number of times Cache lookup methods have returned either a cached or uncached value.
long	getSize() Returns the number of cached objects
long	getTotalLoadTime() Returns the total number of nanoseconds the cache has spent loading new values.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryCacheMXBeanImpl

public MemoryCacheMXBeanImpl(@Nonnull
                             CacheManager cacheManager,
                             @Nonnull
                             String cacheName)

Method Detail

getRequestCount

public long getRequestCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times Cache lookup methods have returned either a cached or uncached value.

Specified by:

getRequestCount in interface MemoryCacheMXBean

Returns:

request count

getHitCount

public long getHitCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times Cache lookup methods have returned a cached value.

Specified by:

getHitCount in interface MemoryCacheMXBean

Returns:

hit count

getHitRate

public double getHitRate()

Description copied from interface: MemoryCacheMXBean

Returns the ratio of cache requests which were hits.

Specified by:

getHitRate in interface MemoryCacheMXBean

Returns:

hit ratio

getMissCount

public long getMissCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times Cache lookup methods have returned an uncached (newly loaded) value, or null.

Specified by:

getMissCount in interface MemoryCacheMXBean

Returns:

miss count

getMissRate

public double getMissRate()

Description copied from interface: MemoryCacheMXBean

Returns the ratio of cache requests which were misses.

Specified by:

getMissRate in interface MemoryCacheMXBean

Returns:

miss rate

getLoadCount

public long getLoadCount()

Description copied from interface: MemoryCacheMXBean

Returns the total number of times that Cache lookup methods attempted to load new values.

Specified by:

getLoadCount in interface MemoryCacheMXBean

Returns:

load count

getLoadSuccessCount

public long getLoadSuccessCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times Cache lookup methods have successfully loaded a new value.

Specified by:

getLoadSuccessCount in interface MemoryCacheMXBean

Returns:

load success count

getLoadExceptionCount

public long getLoadExceptionCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times Cache lookup methods threw an exception while loading a new value.

Specified by:

getLoadExceptionCount in interface MemoryCacheMXBean

Returns:

load exception count

getLoadExceptionRate

public double getLoadExceptionRate()

Description copied from interface: MemoryCacheMXBean

Returns the ratio of cache loading attempts which threw exceptions.

Specified by:

getLoadExceptionRate in interface MemoryCacheMXBean

Returns:

load exception rate

getTotalLoadTime

public long getTotalLoadTime()

Description copied from interface: MemoryCacheMXBean

Returns the total number of nanoseconds the cache has spent loading new values.

Specified by:

getTotalLoadTime in interface MemoryCacheMXBean

Returns:

total load time

getAverageLoadPenalty

public double getAverageLoadPenalty()

Description copied from interface: MemoryCacheMXBean

Returns the average time spent loading new values.

Specified by:

getAverageLoadPenalty in interface MemoryCacheMXBean

Returns:

average load penalty

getEvictionCount

public long getEvictionCount()

Description copied from interface: MemoryCacheMXBean

Returns the number of times an entry has been evicted.

Specified by:

getEvictionCount in interface MemoryCacheMXBean

Returns:

eviction count

getSize

public long getSize()

Description copied from interface: MemoryCacheMXBean

Returns the number of cached objects

Specified by:

getSize in interface MemoryCacheMXBean

Returns:

size