# Poco::Prometheus

# class IntCounter

Library: Prometheus
Package: Core
Header: Poco/Prometheus/IntCounter.h

## Description

IntCounter is a very low overhead implementation of a Counter, supporting 64-bit unsigned integer values only, using std::atomic

Labels are not supported.

## Inheritance

Direct Base Classes: Metric

All Base Classes: Collector, Metric

## Member Summary

Member Functions: exportTo, help, inc, setToCurrentTime, value

Inherited Functions: exportTo, help, name, setHelp, type, validateName

## Nested Classes

### struct Params

## Types Aliases

### Sample

using Sample = Poco::UInt64;

## Constructors

### IntCounter

explicit IntCounter(
const std::string & name
);

Creates a IntCounter with the given name and registers it with the default registry.

### IntCounter

IntCounter(
const std::string & name,
const Params & params
);

Creates a IntCounter with the given name and help text (via params), and registers it with the default registry.

### IntCounter

IntCounter(
const std::string & name,
Registry * pRegistry
);

Creates a IntCounter with the given name and registers it with the given registry (if not nullptr).

### IntCounter

IntCounter(
const std::string & name,
const Params & params,
Registry * pRegistry
);

Creates a IntCounter with the given name and help text (via params), and registers it with the given registry (if not nullptr).

## Destructor

### ~IntCounter

~IntCounter();

Destroys the IntCounter.

## Member Functions

### exportTo

void exportTo(
Exporter & exporter
) const override;

See also: Poco::Prometheus::Collector::exportTo()

### help

IntCounter & help(
const std::string & text
);

Sets the IntCounter's help text.

Must only be set once, immediately after creating the IntCounter.

### inc

void inc();

Increments the IntCounter's current value by one.

### inc

void inc(
Sample v
);

Increments the IntCounter's current value by the given value.

### setToCurrentTime

void setToCurrentTime();

Sets the Gauge's current value to the current epoch time (seconds since midnight January 1st 1970).

### value

Sample value() const;

Returns the IntCounter's current value.