Package com.couchbase.client.core.cnc.metrics

Class AggregatingMeter

java.lang.Object

com.couchbase.client.core.cnc.metrics.AggregatingMeter

All Implemented Interfaces:

Meter

@Volatile
public class AggregatingMeter
extends Object
implements Meter

The default metrics implementation which aggregates latency information and emits it at a regular interval.

Method Summary

Modifier and Type	Method	Description
Counter	counter(String name, Map<String,String> tags)	Note that since we are not performing any aggregations on the counter type, this pretty much is a NOOP for performance reasons.
static AggregatingMeter	create(EventBus eventBus, AggregatingMeterConfig config)
Mono<Void>	start()	Starts the meter if it hasn't been started, might be a noop depending on the implementation.
Mono<Void>	stop(Duration timeout)	Stops the metrics if it has been started previously, might be a noop depending on the implementation.
ValueRecorder	valueRecorder(String name, Map<String,String> tags)	Creates a new value recorder.

Methods inherited from class java.lang.Object

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

Method Details

create

public static AggregatingMeter create(EventBus eventBus,
AggregatingMeterConfig config)

counter

public Counter counter(String name,
Map<String,String> tags)

Note that since we are not performing any aggregations on the counter type, this pretty much is a NOOP for performance reasons.

Specified by:

counter in interface Meter

Parameters:

name - the name of the counter (unused).

tags - the tags to apply (unused).

Returns:

a cached noop instance of the counter.

valueRecorder

public ValueRecorder valueRecorder(String name,
Map<String,String> tags)

Description copied from interface: Meter

Creates a new value recorder.

Specified by:

valueRecorder in interface Meter

Parameters:

name - the name of the value recorder.

tags - the tags of the value recorder.

Returns:

the created value recorder.

start

public Mono<Void> start()

Description copied from interface: Meter

Starts the meter if it hasn't been started, might be a noop depending on the implementation.

Specified by:

start in interface Meter

stop

public Mono<Void> stop(Duration timeout)

Description copied from interface: Meter

Stops the metrics if it has been started previously, might be a noop depending on the implementation.

Specified by:

stop in interface Meter