@opentelemetry/tracing
Version:
OpenTelemetry Tracing
72 lines • 2.58 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.SimpleSpanProcessor = void 0;
const api_1 = require("@opentelemetry/api");
const core_1 = require("@opentelemetry/core");
/**
* An implementation of the {@link SpanProcessor} that converts the {@link Span}
* to {@link ReadableSpan} and passes it to the configured exporter.
*
* Only spans that are sampled are converted.
*/
class SimpleSpanProcessor {
constructor(_exporter) {
this._exporter = _exporter;
this._isShutdown = false;
this._shuttingDownPromise = Promise.resolve();
}
forceFlush() {
// do nothing as all spans are being exported without waiting
return Promise.resolve();
}
// does nothing.
onStart(_span) { }
onEnd(span) {
if (this._isShutdown) {
return;
}
// prevent downstream exporter calls from generating spans
api_1.context.with(core_1.suppressTracing(api_1.context.active()), () => {
this._exporter.export([span], result => {
var _a;
if (result.code !== core_1.ExportResultCode.SUCCESS) {
core_1.globalErrorHandler((_a = result.error) !== null && _a !== void 0 ? _a : new Error(`SimpleSpanProcessor: span export failed (status ${result})`));
}
});
});
}
shutdown() {
if (this._isShutdown) {
return this._shuttingDownPromise;
}
this._isShutdown = true;
this._shuttingDownPromise = new Promise((resolve, reject) => {
Promise.resolve()
.then(() => {
return this._exporter.shutdown();
})
.then(resolve)
.catch(e => {
reject(e);
});
});
return this._shuttingDownPromise;
}
}
exports.SimpleSpanProcessor = SimpleSpanProcessor;
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