Class MetricsRegistry

java.lang.Object

com.iantapply.orchestra.metrics.MetricsRegistry

public final class MetricsRegistry
extends Object

Thread-safe registry that renders counters and gauges in Prometheus text format.

Constructor Summary

Constructors

Constructor	Description
MetricsRegistry()	Creates an empty metrics registry.

Method Summary

Modifier and Type	Method	Description
void	gauge(String name, DoubleSupplier value)	Registers or replaces a lazily evaluated gauge.
void	increment(String name)	Increments a counter by one.
String	prometheus()	Renders all current metric values.

Methods inherited from class Object

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

Constructor Details

MetricsRegistry

public MetricsRegistry()

Creates an empty metrics registry.

Method Details

increment

public void increment(String name)

Increments a counter by one.

Parameters:

name - Prometheus-compatible counter name to increment

gauge

public void gauge(String name,
 DoubleSupplier value)

Registers or replaces a lazily evaluated gauge.

Parameters:

name - Prometheus-compatible gauge name

value - value supplier called during rendering

prometheus

public String prometheus()

Renders all current metric values.

Returns:

current metrics in deterministic Prometheus text exposition order