org.springframework.boot.actuate.metrics.buffer

Class BufferMetricReader

java.lang.Object

org.springframework.boot.actuate.metrics.buffer.BufferMetricReader

All Implemented Interfaces:

MetricReader, PrefixMetricReader

@UsesJava8
public class BufferMetricReader
extends Object
implements MetricReader, PrefixMetricReader

MetricReader implementation using CounterBuffers and GaugeBuffers.

Since:

1.3.0

Author:

Dave Syer

Constructor Summary

Constructors

Constructor and Description
BufferMetricReader(CounterBuffers counterBuffers, GaugeBuffers gaugeBuffers)

Method Summary

Modifier and Type	Method and Description
long	count() The number of metrics known to this reader.
Iterable<Metric<?>>	findAll() Find all the metrics known to this reader.
Iterable<Metric<?>>	findAll(String prefix) Find all metrics whose name starts with the given prefix.
Metric<?>	findOne(String name) Find an instance of the metric with the given name (usually the latest recorded value).

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferMetricReader

public BufferMetricReader(CounterBuffers counterBuffers,
                          GaugeBuffers gaugeBuffers)

Method Detail

findOne

public Metric<?> findOne(String name)

Description copied from interface: MetricReader

Find an instance of the metric with the given name (usually the latest recorded value).

Specified by:

findOne in interface MetricReader

Parameters:

name - the name of the metric to find

Returns:

a metric value or null if there are none with that name

findAll

public Iterable<Metric<?>> findAll()

Description copied from interface: MetricReader

Find all the metrics known to this reader.

Specified by:

findAll in interface MetricReader

Returns:

all instances of metrics known to this reader

findAll

public Iterable<Metric<?>> findAll(String prefix)

Description copied from interface: PrefixMetricReader

Find all metrics whose name starts with the given prefix.

Specified by:

findAll in interface PrefixMetricReader

Parameters:

prefix - the prefix for metric names

Returns:

all metrics with names starting with the prefix

count

public long count()

Description copied from interface: MetricReader

The number of metrics known to this reader.

Specified by:

count in interface MetricReader

Returns:

the number of metrics