/**
* Creates monitored proxy instance for underlying cache with given parameters.
*
* @param instance underlying cache.
* @param statisticsAccuracy Ehcache statistics accuracy.
* @param category category for related stats producer.
* @param subsystem subsystem for related stats producer.
* @param updatePeriod period (in milliseconds) in which stats values will be updated.
*/
public MonitoredEhcache(
Ehcache instance,
int statisticsAccuracy,
String category,
String subsystem,
long updatePeriod) {
super(instance);
underlyingCache.setStatisticsAccuracy(statisticsAccuracy);
underlyingCache.setStatisticsEnabled(true);
cacheProducer =
new OnDemandStatsProducer<EhcacheStats>(
underlyingCache.getName(), category, subsystem, new EhcacheStatsFactory());
ProducerRegistryFactory.getProducerRegistryInstance().registerProducer(cacheProducer);
PeriodicStatsUpdater.addTask(
new TimerTask() {
@Override
public void run() {
if (underlyingCache.isStatisticsEnabled()) {
updateStats();
}
}
},
updatePeriod);
}
static {
onDemandProducer =
new OnDemandStatsProducer<SessionCountStats>(
"SessionCountByTld",
"web",
IStatsProducer.SUBSYSTEM_BUILTIN,
SessionCountFactory.DEFAULT_INSTANCE);
ProducerRegistryFactory.getProducerRegistryInstance().registerProducer(onDemandProducer);
}