@opentelemetry/sdk-metrics
Version:
51 lines • 1.88 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { instrumentationScopeId } from '../utils';
import { ViewRegistry } from '../view/ViewRegistry';
import { MeterSharedState } from './MeterSharedState';
import { toAggregation } from '../view/AggregationOption';
/**
* An internal record for shared meter provider states.
*/
export class MeterProviderSharedState {
viewRegistry = new ViewRegistry();
metricCollectors = [];
meterSharedStates = new Map();
resource;
constructor(resource) {
this.resource = resource;
}
getMeterSharedState(instrumentationScope) {
const id = instrumentationScopeId(instrumentationScope);
let meterSharedState = this.meterSharedStates.get(id);
if (meterSharedState == null) {
meterSharedState = new MeterSharedState(this, instrumentationScope);
this.meterSharedStates.set(id, meterSharedState);
}
return meterSharedState;
}
selectAggregations(instrumentType) {
const result = [];
for (const collector of this.metricCollectors) {
result.push([
collector,
toAggregation(collector.selectAggregation(instrumentType)),
]);
}
return result;
}
}
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