Source File
	counter.go

Belonging Package
	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/counter

// Code generated by gotmpl. DO NOT MODIFY.
// source: internal/shared/counter/counter.go.tmpl

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

// Package counter provides a simple counter for generating unique IDs.
//
// This package is used to generate unique IDs while allowing testing packages
// to reset the counter.
package counter // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/counter"

import "sync/atomic"

// exporterN is a global 0-based count of the number of exporters created.
var exporterN atomic.Int64

// NextExporterID returns the next unique ID for an exporter.
func NextExporterID() int64 {
	const inc = 1
	return exporterN.Add(inc) - inc
}

// SetExporterID sets the exporter ID counter to v and returns the previous
// value.
//
// This function is useful for testing purposes, allowing you to reset the
// counter. It should not be used in production code.
func SetExporterID(v int64) int64 {
	return exporterN.Swap(v)
}

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