rittenhop-ghost/versions/5.94.2/node_modules/@opentelemetry/sdk-metrics/build/esnext/Instruments.js

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/*
* 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 { context as contextApi, diag, ValueType, } from '@opentelemetry/api';
import { millisToHrTime } from '@opentelemetry/core';
export class SyncInstrument {
constructor(_writableMetricStorage, _descriptor) {
this._writableMetricStorage = _writableMetricStorage;
this._descriptor = _descriptor;
}
_record(value, attributes = {}, context = contextApi.active()) {
if (typeof value !== 'number') {
diag.warn(`non-number value provided to metric ${this._descriptor.name}: ${value}`);
return;
}
if (this._descriptor.valueType === ValueType.INT &&
!Number.isInteger(value)) {
diag.warn(`INT value type cannot accept a floating-point value for ${this._descriptor.name}, ignoring the fractional digits.`);
value = Math.trunc(value);
// ignore non-finite values.
if (!Number.isInteger(value)) {
return;
}
}
this._writableMetricStorage.record(value, attributes, context, millisToHrTime(Date.now()));
}
}
/**
* The class implements {@link UpDownCounter} interface.
*/
export class UpDownCounterInstrument extends SyncInstrument {
/**
* Increment value of counter by the input. Inputs may be negative.
*/
add(value, attributes, ctx) {
this._record(value, attributes, ctx);
}
}
/**
* The class implements {@link Counter} interface.
*/
export class CounterInstrument extends SyncInstrument {
/**
* Increment value of counter by the input. Inputs may not be negative.
*/
add(value, attributes, ctx) {
if (value < 0) {
diag.warn(`negative value provided to counter ${this._descriptor.name}: ${value}`);
return;
}
this._record(value, attributes, ctx);
}
}
/**
* The class implements {@link Gauge} interface.
*/
export class GaugeInstrument extends SyncInstrument {
/**
* Records a measurement.
*/
record(value, attributes, ctx) {
this._record(value, attributes, ctx);
}
}
/**
* The class implements {@link Histogram} interface.
*/
export class HistogramInstrument extends SyncInstrument {
/**
* Records a measurement. Value of the measurement must not be negative.
*/
record(value, attributes, ctx) {
if (value < 0) {
diag.warn(`negative value provided to histogram ${this._descriptor.name}: ${value}`);
return;
}
this._record(value, attributes, ctx);
}
}
export class ObservableInstrument {
constructor(descriptor, metricStorages, _observableRegistry) {
this._observableRegistry = _observableRegistry;
this._descriptor = descriptor;
this._metricStorages = metricStorages;
}
/**
* @see {Observable.addCallback}
*/
addCallback(callback) {
this._observableRegistry.addCallback(callback, this);
}
/**
* @see {Observable.removeCallback}
*/
removeCallback(callback) {
this._observableRegistry.removeCallback(callback, this);
}
}
export class ObservableCounterInstrument extends ObservableInstrument {
}
export class ObservableGaugeInstrument extends ObservableInstrument {
}
export class ObservableUpDownCounterInstrument extends ObservableInstrument {
}
export function isObservableInstrument(it) {
return it instanceof ObservableInstrument;
}
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