@opentelemetry/core
Version:
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
66 lines • 3.61 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParentBasedSampler = void 0;
const api_1 = require("@opentelemetry/api");
const global_error_handler_1 = require("../../common/global-error-handler");
const AlwaysOffSampler_1 = require("./AlwaysOffSampler");
const AlwaysOnSampler_1 = require("./AlwaysOnSampler");
/**
* @deprecated Use the one defined in @opentelemetry/sdk-trace-base instead.
* A composite sampler that either respects the parent span's sampling decision
* or delegates to `delegateSampler` for root spans.
*/
class ParentBasedSampler {
constructor(config) {
var _a, _b, _c, _d;
this._root = config.root;
if (!this._root) {
(0, global_error_handler_1.globalErrorHandler)(new Error('ParentBasedSampler must have a root sampler configured'));
this._root = new AlwaysOnSampler_1.AlwaysOnSampler();
}
this._remoteParentSampled =
(_a = config.remoteParentSampled) !== null && _a !== void 0 ? _a : new AlwaysOnSampler_1.AlwaysOnSampler();
this._remoteParentNotSampled =
(_b = config.remoteParentNotSampled) !== null && _b !== void 0 ? _b : new AlwaysOffSampler_1.AlwaysOffSampler();
this._localParentSampled =
(_c = config.localParentSampled) !== null && _c !== void 0 ? _c : new AlwaysOnSampler_1.AlwaysOnSampler();
this._localParentNotSampled =
(_d = config.localParentNotSampled) !== null && _d !== void 0 ? _d : new AlwaysOffSampler_1.AlwaysOffSampler();
}
shouldSample(context, traceId, spanName, spanKind, attributes, links) {
const parentContext = api_1.trace.getSpanContext(context);
if (!parentContext || !(0, api_1.isSpanContextValid)(parentContext)) {
return this._root.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
if (parentContext.isRemote) {
if (parentContext.traceFlags & api_1.TraceFlags.SAMPLED) {
return this._remoteParentSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
return this._remoteParentNotSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
if (parentContext.traceFlags & api_1.TraceFlags.SAMPLED) {
return this._localParentSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
return this._localParentNotSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
toString() {
return `ParentBased{root=${this._root.toString()}, remoteParentSampled=${this._remoteParentSampled.toString()}, remoteParentNotSampled=${this._remoteParentNotSampled.toString()}, localParentSampled=${this._localParentSampled.toString()}, localParentNotSampled=${this._localParentNotSampled.toString()}}`;
}
}
exports.ParentBasedSampler = ParentBasedSampler;
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