/
MeterProviderSharedState.ts
54 lines (47 loc) · 1.93 KB
/
MeterProviderSharedState.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/*
* 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 { InstrumentationScope } from '@opentelemetry/core';
import { IResource } from '@opentelemetry/resources';
import { Aggregation, InstrumentType } from '..';
import { instrumentationScopeId } from '../utils';
import { ViewRegistry } from '../view/ViewRegistry';
import { MeterSharedState } from './MeterSharedState';
import { MetricCollector, MetricCollectorHandle } from './MetricCollector';
/**
* An internal record for shared meter provider states.
*/
export class MeterProviderSharedState {
viewRegistry = new ViewRegistry();
metricCollectors: MetricCollector[] = [];
meterSharedStates: Map<string, MeterSharedState> = new Map();
constructor(public resource: IResource) {}
getMeterSharedState(instrumentationScope: 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: InstrumentType) {
const result: [MetricCollectorHandle, Aggregation][] = [];
for (const collector of this.metricCollectors) {
result.push([collector, collector.selectAggregation(instrumentType)]);
}
return result;
}
}