78 lines
3.0 KiB
JavaScript
78 lines
3.0 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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import { millisToHrTime } from '@opentelemetry/core';
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/**
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* An internal opaque interface that the MetricReader receives as
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* MetricProducer. It acts as the storage key to the internal metric stream
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* state for each MetricReader.
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*/
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export class MetricCollector {
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constructor(_sharedState, _metricReader) {
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this._sharedState = _sharedState;
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this._metricReader = _metricReader;
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}
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async collect(options) {
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const collectionTime = millisToHrTime(Date.now());
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const scopeMetrics = [];
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const errors = [];
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const meterCollectionPromises = Array.from(this._sharedState.meterSharedStates.values()).map(async (meterSharedState) => {
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const current = await meterSharedState.collect(this, collectionTime, options);
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// only add scope metrics if available
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if ((current === null || current === void 0 ? void 0 : current.scopeMetrics) != null) {
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scopeMetrics.push(current.scopeMetrics);
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}
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// only add errors if available
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if ((current === null || current === void 0 ? void 0 : current.errors) != null) {
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errors.push(...current.errors);
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}
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});
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await Promise.all(meterCollectionPromises);
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return {
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resourceMetrics: {
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resource: this._sharedState.resource,
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scopeMetrics: scopeMetrics,
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},
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errors: errors,
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};
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}
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/**
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* Delegates for MetricReader.forceFlush.
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*/
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async forceFlush(options) {
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await this._metricReader.forceFlush(options);
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}
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/**
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* Delegates for MetricReader.shutdown.
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*/
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async shutdown(options) {
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await this._metricReader.shutdown(options);
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}
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selectAggregationTemporality(instrumentType) {
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return this._metricReader.selectAggregationTemporality(instrumentType);
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}
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selectAggregation(instrumentType) {
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return this._metricReader.selectAggregation(instrumentType);
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}
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/**
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* Select the cardinality limit for the given {@link InstrumentType} for this
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* collector.
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*/
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selectCardinalityLimit(instrumentType) {
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var _a, _b, _c;
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return (_c = (_b = (_a = this._metricReader).selectCardinalityLimit) === null || _b === void 0 ? void 0 : _b.call(_a, instrumentType)) !== null && _c !== void 0 ? _c : 2000;
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}
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}
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//# sourceMappingURL=MetricCollector.js.map
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