java.lang.Object
- org.springframework.boot.actuate.metrics.export.AbstractMetricExporter
- - org.springframework.boot.actuate.metrics.export.RichGaugeExporter

All Implemented Interfaces:
Closeable, Flushable, AutoCloseable, Exporter
```
public class RichGaugeExporter
extends AbstractMetricExporter
```
Exporter or converter for RichGauge data to a metric-based back end. Each gauge measurement is stored as a set of related metrics with a common prefix (the name of the gauge), and suffixes that describe the data. For example, a gauge called foo is stored as [foo.min, foo.max. foo.val, foo.count, foo.avg, foo.alpha]. If the MetricWriter provided is a MultiMetricRepository then the values for a gauge will be stored as a group, and hence will be retrievable from the repository in a single query (or optionally individually).
Since:
1.3.0

Constructor Summary

Constructors
Constructor	Description
`RichGaugeExporter(RichGaugeReader reader, PrefixMetricWriter writer)`
`RichGaugeExporter(RichGaugeReader reader, PrefixMetricWriter writer, String prefix)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Iterable<String>`	`groups()`	Generate a group of metrics to iterate over in the form of a set of Strings (e.g.
`protected Iterable<Metric<?>>`	`next(String group)`	Get the next group of metrics to write.
`protected void`	`write(String group, Collection<Metric<?>> values)`	Write the values associated with a group.

Methods inherited from class org.springframework.boot.actuate.metrics.export.AbstractMetricExporter
close, export, flush, setEarliestTimestamp, setIgnoreTimestamps, setSendLatest

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RichGaugeExporter
```
public RichGaugeExporter(RichGaugeReader reader,
                         PrefixMetricWriter writer)
```
  - RichGaugeExporter
```
public RichGaugeExporter(RichGaugeReader reader,
                         PrefixMetricWriter writer,
                         String prefix)
```
- Method Detail
  - next
```
protected Iterable<Metric<?>> next(String group)
```
    Description copied from class: AbstractMetricExporter
    Get the next group of metrics to write.
    Specified by:
    next in class AbstractMetricExporter
    Parameters:
    group - the group name to write
    Returns:
    some metrics to write
  - groups
```
protected Iterable<String> groups()
```
    Description copied from class: AbstractMetricExporter
    Generate a group of metrics to iterate over in the form of a set of Strings (e.g. prefixes). If the metrics to be exported partition into groups identified by a String, subclasses should override this method. Otherwise the default should be fine (iteration over all metrics).
    Overrides:
    groups in class AbstractMetricExporter
    Returns:
    groups of metrics to iterate over (default singleton empty string)
  - write
```
protected void write(String group,
                     Collection<Metric<?>> values)
```
    Description copied from class: AbstractMetricExporter
    Write the values associated with a group.
    Specified by:
    write in class AbstractMetricExporter
    Parameters:
    group - the group to write
    values - the values to write

Class RichGaugeExporter

Constructor Summary

Method Summary

Methods inherited from class org.springframework.boot.actuate.metrics.export.AbstractMetricExporter

Methods inherited from class java.lang.Object

Constructor Detail

RichGaugeExporter

RichGaugeExporter

Method Detail

next

groups

write