@opentelemetry/tracing
Version:
OpenTelemetry Tracing
72 lines • 2.81 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 { context } from '@opentelemetry/api';
import { ExportResultCode, globalErrorHandler, suppressTracing, } from '@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.
*/
var SimpleSpanProcessor = /** @class */ (function () {
function SimpleSpanProcessor(_exporter) {
this._exporter = _exporter;
this._isShutdown = false;
this._shuttingDownPromise = Promise.resolve();
}
SimpleSpanProcessor.prototype.forceFlush = function () {
// do nothing as all spans are being exported without waiting
return Promise.resolve();
};
// does nothing.
SimpleSpanProcessor.prototype.onStart = function (_span) { };
SimpleSpanProcessor.prototype.onEnd = function (span) {
var _this = this;
if (this._isShutdown) {
return;
}
// prevent downstream exporter calls from generating spans
context.with(suppressTracing(context.active()), function () {
_this._exporter.export([span], function (result) {
var _a;
if (result.code !== ExportResultCode.SUCCESS) {
globalErrorHandler((_a = result.error) !== null && _a !== void 0 ? _a : new Error("SimpleSpanProcessor: span export failed (status " + result + ")"));
}
});
});
};
SimpleSpanProcessor.prototype.shutdown = function () {
var _this = this;
if (this._isShutdown) {
return this._shuttingDownPromise;
}
this._isShutdown = true;
this._shuttingDownPromise = new Promise(function (resolve, reject) {
Promise.resolve()
.then(function () {
return _this._exporter.shutdown();
})
.then(resolve)
.catch(function (e) {
reject(e);
});
});
return this._shuttingDownPromise;
};
return SimpleSpanProcessor;
}());
export { SimpleSpanProcessor };
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