40 lines
1.6 KiB
JavaScript
40 lines
1.6 KiB
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 { FixedSizeExemplarReservoirBase } from './ExemplarReservoir';
|
|
/**
|
|
* AlignedHistogramBucketExemplarReservoir takes the same boundaries
|
|
* configuration of a Histogram. This algorithm keeps the last seen measurement
|
|
* that falls within a histogram bucket.
|
|
*/
|
|
export class AlignedHistogramBucketExemplarReservoir extends FixedSizeExemplarReservoirBase {
|
|
constructor(boundaries) {
|
|
super(boundaries.length + 1);
|
|
this._boundaries = boundaries;
|
|
}
|
|
_findBucketIndex(value, _timestamp, _attributes, _ctx) {
|
|
for (let i = 0; i < this._boundaries.length; i++) {
|
|
if (value <= this._boundaries[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return this._boundaries.length;
|
|
}
|
|
offer(value, timestamp, attributes, ctx) {
|
|
const index = this._findBucketIndex(value, timestamp, attributes, ctx);
|
|
this._reservoirStorage[index].offer(value, timestamp, attributes, ctx);
|
|
}
|
|
}
|
|
//# sourceMappingURL=AlignedHistogramBucketExemplarReservoir.js.map
|