@opentelemetry/api
Version:
Public API for OpenTelemetry
50 lines • 1.71 kB
JavaScript
;
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetricsAPI = void 0;
const NoopMeterProvider_1 = require("../metrics/NoopMeterProvider");
const global_utils_1 = require("../internal/global-utils");
const diag_1 = require("./diag");
const API_NAME = 'metrics';
/**
* Singleton object which represents the entry point to the OpenTelemetry Metrics API
*/
class MetricsAPI {
/** Empty private constructor prevents end users from constructing a new instance of the API */
constructor() { }
/** Get the singleton instance of the Metrics API */
static getInstance() {
if (!this._instance) {
this._instance = new MetricsAPI();
}
return this._instance;
}
/**
* Set the current global meter provider.
* Returns true if the meter provider was successfully registered, else false.
*/
setGlobalMeterProvider(provider) {
return (0, global_utils_1.registerGlobal)(API_NAME, provider, diag_1.DiagAPI.instance());
}
/**
* Returns the global meter provider.
*/
getMeterProvider() {
return (0, global_utils_1.getGlobal)(API_NAME) || NoopMeterProvider_1.NOOP_METER_PROVIDER;
}
/**
* Returns a meter from the global meter provider.
*/
getMeter(name, version, options) {
return this.getMeterProvider().getMeter(name, version, options);
}
/** Remove the global meter provider */
disable() {
(0, global_utils_1.unregisterGlobal)(API_NAME, diag_1.DiagAPI.instance());
}
}
exports.MetricsAPI = MetricsAPI;
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