com.atlassian.jira.instrumentation

Class CacheStatisticsUtils

java.lang.Object

com.atlassian.jira.instrumentation.CacheStatisticsUtils

public final class CacheStatisticsUtils
extends Object

Various utilities for Cache Statistics.

Since:

v7.1

Method Summary

Modifier and Type	Method and Description
static java.util.stream.Stream<CacheStatistics>	convertVCacheMetrics(String cacheType, Map<String,Map<com.atlassian.vcache.internal.MetricLabel,? extends com.atlassian.vcache.internal.LongMetric>> cachesMetrics) Converts VCaches statistics into stream of CacheStatistics.
static CacheStatistics	fromRequestListenerStatistics(com.atlassian.instrumentation.caches.RequestListener requestListener, String cacheType) Converts Atlassian Cache statistics gathered by RequestListener into CacheStatistics object.
static CacheStatistics	fromVCacheStatistics(String name, String cacheType, Map<com.atlassian.vcache.internal.MetricLabel,com.atlassian.vcache.internal.LongMetric> metrics) Converts VCache statistics into CacheStatistics object.

Methods inherited from class java.lang.Object

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

Method Detail

fromRequestListenerStatistics

public static CacheStatistics fromRequestListenerStatistics(com.atlassian.instrumentation.caches.RequestListener requestListener,
                                                            String cacheType)

Converts Atlassian Cache statistics gathered by RequestListener into CacheStatistics object.

Parameters:

requestListener - to convert.

cacheType - - type of a cache (C - regular cache, R - cached reference)

fromVCacheStatistics

public static CacheStatistics fromVCacheStatistics(String name,
                                                   String cacheType,
                                                   Map<com.atlassian.vcache.internal.MetricLabel,com.atlassian.vcache.internal.LongMetric> metrics)

Converts VCache statistics into CacheStatistics object.

Parameters:

name - name of the cache.

cacheType - type of the cache (e.g. External, Request, JVM).

metrics - metrics gathered for the cache.

convertVCacheMetrics

public static java.util.stream.Stream<CacheStatistics> convertVCacheMetrics(String cacheType,
                                                                            Map<String,Map<com.atlassian.vcache.internal.MetricLabel,? extends com.atlassian.vcache.internal.LongMetric>> cachesMetrics)

Converts VCaches statistics into stream of CacheStatistics.

Parameters:

cacheType - type of the cache (e.g. External, Request, JVM).

cachesMetrics - map containg cache name as a key and metrics for that cache as a value.

Returns:

stream of CacheStatistics