Interface StatisticsCollector

public interface StatisticsCollector

A collector of counters keyed by strings.

Method Summary

Modifier and Type	Method	Description
com.google.common.collect.ImmutableMultiset<String>	counters()	Returns a copy of the counters in this statistics collector.
static StatisticsCollector	createCollector()	Returns a new statistics collector that will successfully count keys added to it.
static StatisticsCollector	createNoOpCollector()	Returns a statistics collector that will ignore any statistics added to it, always returning an empty result for counters().
default void	incrementCounter(String key)	Adds 1 to the counter for key.
void	incrementCounter(String key, int count)	Adds count to the counter for key.

Method Details

incrementCounter

default void incrementCounter(String key)

Adds 1 to the counter for key.

incrementCounter

void incrementCounter(String key,
 int count)

Adds count to the counter for key.

counters

com.google.common.collect.ImmutableMultiset<String> counters()

Returns a copy of the counters in this statistics collector.

createCollector

static StatisticsCollector createCollector()

Returns a new statistics collector that will successfully count keys added to it.

createNoOpCollector

static StatisticsCollector createNoOpCollector()

Returns a statistics collector that will ignore any statistics added to it, always returning an empty result for counters().