196 lines
9.2 KiB
JavaScript
196 lines
9.2 KiB
JavaScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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import { diag, createNoopMeter, } from '@opentelemetry/api';
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import { Resource } from '@opentelemetry/resources';
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import { MeterProviderSharedState } from './state/MeterProviderSharedState';
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import { MetricCollector } from './state/MetricCollector';
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/**
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* This class implements the {@link MeterProvider} interface.
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*/
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var MeterProvider = /** @class */ (function () {
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function MeterProvider(options) {
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var e_1, _a, e_2, _b;
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var _c;
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this._shutdown = false;
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var resource = Resource.default().merge((_c = options === null || options === void 0 ? void 0 : options.resource) !== null && _c !== void 0 ? _c : Resource.empty());
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this._sharedState = new MeterProviderSharedState(resource);
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if ((options === null || options === void 0 ? void 0 : options.views) != null && options.views.length > 0) {
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try {
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for (var _d = __values(options.views), _e = _d.next(); !_e.done; _e = _d.next()) {
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var view = _e.value;
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this._sharedState.viewRegistry.addView(view);
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (_e && !_e.done && (_a = _d.return)) _a.call(_d);
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}
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finally { if (e_1) throw e_1.error; }
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}
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}
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if ((options === null || options === void 0 ? void 0 : options.readers) != null && options.readers.length > 0) {
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try {
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for (var _f = __values(options.readers), _g = _f.next(); !_g.done; _g = _f.next()) {
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var metricReader = _g.value;
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this.addMetricReader(metricReader);
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}
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}
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catch (e_2_1) { e_2 = { error: e_2_1 }; }
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finally {
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try {
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if (_g && !_g.done && (_b = _f.return)) _b.call(_f);
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}
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finally { if (e_2) throw e_2.error; }
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}
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}
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}
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/**
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* Get a meter with the configuration of the MeterProvider.
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*/
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MeterProvider.prototype.getMeter = function (name, version, options) {
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if (version === void 0) { version = ''; }
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if (options === void 0) { options = {}; }
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// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/sdk.md#meter-creation
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if (this._shutdown) {
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diag.warn('A shutdown MeterProvider cannot provide a Meter');
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return createNoopMeter();
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}
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return this._sharedState.getMeterSharedState({
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name: name,
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version: version,
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schemaUrl: options.schemaUrl,
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}).meter;
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};
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/**
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* Register a {@link MetricReader} to the meter provider. After the
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* registration, the MetricReader can start metrics collection.
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*
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* <p> NOTE: {@link MetricReader} instances MUST be added before creating any instruments.
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* A {@link MetricReader} instance registered later may receive no or incomplete metric data.
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*
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* @param metricReader the metric reader to be registered.
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*
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* @deprecated This method will be removed in SDK 2.0. Please use
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* {@link MeterProviderOptions.readers} via the {@link MeterProvider} constructor instead
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*/
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MeterProvider.prototype.addMetricReader = function (metricReader) {
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var collector = new MetricCollector(this._sharedState, metricReader);
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metricReader.setMetricProducer(collector);
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this._sharedState.metricCollectors.push(collector);
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};
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/**
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* Flush all buffered data and shut down the MeterProvider and all registered
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* MetricReaders.
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*
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* Returns a promise which is resolved when all flushes are complete.
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*/
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MeterProvider.prototype.shutdown = function (options) {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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if (this._shutdown) {
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diag.warn('shutdown may only be called once per MeterProvider');
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return [2 /*return*/];
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}
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this._shutdown = true;
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return [4 /*yield*/, Promise.all(this._sharedState.metricCollectors.map(function (collector) {
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return collector.shutdown(options);
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}))];
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case 1:
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_a.sent();
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return [2 /*return*/];
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}
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});
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});
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};
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/**
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* Notifies all registered MetricReaders to flush any buffered data.
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*
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* Returns a promise which is resolved when all flushes are complete.
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*/
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MeterProvider.prototype.forceFlush = function (options) {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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// do not flush after shutdown
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if (this._shutdown) {
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diag.warn('invalid attempt to force flush after MeterProvider shutdown');
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return [2 /*return*/];
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}
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return [4 /*yield*/, Promise.all(this._sharedState.metricCollectors.map(function (collector) {
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return collector.forceFlush(options);
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}))];
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case 1:
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_a.sent();
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return [2 /*return*/];
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}
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});
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});
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};
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return MeterProvider;
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}());
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export { MeterProvider };
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//# sourceMappingURL=MeterProvider.js.map
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