@opentelemetry/sdk-metrics
Version:
49 lines • 2.19 kB
JavaScript
;
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.AsyncMetricStorage = void 0;
const MetricStorage_1 = require("./MetricStorage");
const DeltaMetricProcessor_1 = require("./DeltaMetricProcessor");
const TemporalMetricProcessor_1 = require("./TemporalMetricProcessor");
const HashMap_1 = require("./HashMap");
/**
* Internal interface.
*
* Stores and aggregates {@link MetricData} for asynchronous instruments.
*/
class AsyncMetricStorage extends MetricStorage_1.MetricStorage {
_aggregationCardinalityLimit;
_deltaMetricStorage;
_temporalMetricStorage;
_attributesProcessor;
constructor(_instrumentDescriptor, aggregator, attributesProcessor, collectorHandles, aggregationCardinalityLimit) {
super(_instrumentDescriptor);
this._aggregationCardinalityLimit = aggregationCardinalityLimit;
this._deltaMetricStorage = new DeltaMetricProcessor_1.DeltaMetricProcessor(aggregator, this._aggregationCardinalityLimit);
this._temporalMetricStorage = new TemporalMetricProcessor_1.TemporalMetricProcessor(aggregator, collectorHandles);
this._attributesProcessor = attributesProcessor;
}
record(measurements, observationTime) {
const processed = new HashMap_1.AttributeHashMap();
for (const [attributes, value] of measurements.entries()) {
processed.set(this._attributesProcessor.process(attributes), value);
}
this._deltaMetricStorage.batchCumulate(processed, observationTime);
}
/**
* Collects the metrics from this storage. The ObservableCallback is invoked
* during the collection.
*
* Note: This is a stateful operation and may reset any interval-related
* state for the MetricCollector.
*/
collect(collector, collectionTime) {
const accumulations = this._deltaMetricStorage.collect();
return this._temporalMetricStorage.buildMetrics(collector, this._instrumentDescriptor, accumulations, collectionTime);
}
}
exports.AsyncMetricStorage = AsyncMetricStorage;
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