Marc Mintel
5397309103
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51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { NoopTracer } from './NoopTracer';
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const NOOP_TRACER = new NoopTracer();
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/**
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* Proxy tracer provided by the proxy tracer provider
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*/
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export class ProxyTracer {
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constructor(_provider, name, version, options) {
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this._provider = _provider;
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this.name = name;
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this.version = version;
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this.options = options;
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}
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startSpan(name, options, context) {
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return this._getTracer().startSpan(name, options, context);
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}
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startActiveSpan(_name, _options, _context, _fn) {
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const tracer = this._getTracer();
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return Reflect.apply(tracer.startActiveSpan, tracer, arguments);
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}
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/**
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* Try to get a tracer from the proxy tracer provider.
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* If the proxy tracer provider has no delegate, return a noop tracer.
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*/
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_getTracer() {
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if (this._delegate) {
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return this._delegate;
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}
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const tracer = this._provider.getDelegateTracer(this.name, this.version, this.options);
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if (!tracer) {
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return NOOP_TRACER;
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}
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this._delegate = tracer;
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return this._delegate;
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}
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}
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//# sourceMappingURL=ProxyTracer.js.map |