2022-07-12 09:00:22 +02:00

53 lines
1.9 KiB
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 { NoopTracer } from './NoopTracer';
var NOOP_TRACER = new NoopTracer();
/**
* Proxy tracer provided by the proxy tracer provider
*/
var ProxyTracer = /** @class */ (function () {
function ProxyTracer(_provider, name, version, options) {
this._provider = _provider;
this.name = name;
this.version = version;
this.options = options;
}
ProxyTracer.prototype.startSpan = function (name, options, context) {
return this._getTracer().startSpan(name, options, context);
};
ProxyTracer.prototype.startActiveSpan = function (_name, _options, _context, _fn) {
var tracer = this._getTracer();
return Reflect.apply(tracer.startActiveSpan, tracer, arguments);
};
/**
* Try to get a tracer from the proxy tracer provider.
* If the proxy tracer provider has no delegate, return a noop tracer.
*/
ProxyTracer.prototype._getTracer = function () {
if (this._delegate) {
return this._delegate;
}
var tracer = this._provider.getDelegateTracer(this.name, this.version, this.options);
if (!tracer) {
return NOOP_TRACER;
}
this._delegate = tracer;
return this._delegate;
};
return ProxyTracer;
}());
export { ProxyTracer };
//# sourceMappingURL=ProxyTracer.js.map