@opentelemetry/api
Version:
Public API for OpenTelemetry
50 lines • 1.89 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 { ProxyTracer } from './ProxyTracer';
import { NoopTracerProvider } from './NoopTracerProvider';
const NOOP_TRACER_PROVIDER = new NoopTracerProvider();
/**
* Tracer provider which provides {@link ProxyTracer}s.
*
* Before a delegate is set, tracers provided are NoOp.
* When a delegate is set, traces are provided from the delegate.
* When a delegate is set after tracers have already been provided,
* all tracers already provided will use the provided delegate implementation.
*/
export class ProxyTracerProvider {
/**
* Get a {@link ProxyTracer}
*/
getTracer(name, version, options) {
var _a;
return ((_a = this.getDelegateTracer(name, version, options)) !== null && _a !== void 0 ? _a : new ProxyTracer(this, name, version, options));
}
getDelegate() {
var _a;
return (_a = this._delegate) !== null && _a !== void 0 ? _a : NOOP_TRACER_PROVIDER;
}
/**
* Set the delegate tracer provider
*/
setDelegate(delegate) {
this._delegate = delegate;
}
getDelegateTracer(name, version, options) {
var _a;
return (_a = this._delegate) === null || _a === void 0 ? void 0 : _a.getTracer(name, version, options);
}
}
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