@opentelemetry/core
Version:
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
64 lines • 3.54 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 { isSpanContextValid, TraceFlags, trace, } from '@opentelemetry/api';
import { globalErrorHandler } from '../../common/global-error-handler';
import { AlwaysOffSampler } from './AlwaysOffSampler';
import { AlwaysOnSampler } from './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.
*/
var ParentBasedSampler = /** @class */ (function () {
function ParentBasedSampler(config) {
var _a, _b, _c, _d;
this._root = config.root;
if (!this._root) {
globalErrorHandler(new Error('ParentBasedSampler must have a root sampler configured'));
this._root = new AlwaysOnSampler();
}
this._remoteParentSampled =
(_a = config.remoteParentSampled) !== null && _a !== void 0 ? _a : new AlwaysOnSampler();
this._remoteParentNotSampled =
(_b = config.remoteParentNotSampled) !== null && _b !== void 0 ? _b : new AlwaysOffSampler();
this._localParentSampled =
(_c = config.localParentSampled) !== null && _c !== void 0 ? _c : new AlwaysOnSampler();
this._localParentNotSampled =
(_d = config.localParentNotSampled) !== null && _d !== void 0 ? _d : new AlwaysOffSampler();
}
ParentBasedSampler.prototype.shouldSample = function (context, traceId, spanName, spanKind, attributes, links) {
var parentContext = trace.getSpanContext(context);
if (!parentContext || !isSpanContextValid(parentContext)) {
return this._root.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
if (parentContext.isRemote) {
if (parentContext.traceFlags & 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 & TraceFlags.SAMPLED) {
return this._localParentSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
}
return this._localParentNotSampled.shouldSample(context, traceId, spanName, spanKind, attributes, links);
};
ParentBasedSampler.prototype.toString = function () {
return "ParentBased{root=" + this._root.toString() + ", remoteParentSampled=" + this._remoteParentSampled.toString() + ", remoteParentNotSampled=" + this._remoteParentNotSampled.toString() + ", localParentSampled=" + this._localParentSampled.toString() + ", localParentNotSampled=" + this._localParentNotSampled.toString() + "}";
};
return ParentBasedSampler;
}());
export { ParentBasedSampler };
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