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server/node_modules/@opentelemetry/api/build/esnext/trace/ProxyTracer.js

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+/*
+ * 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';
+const NOOP_TRACER = new NoopTracer();
+/**
+ * Proxy tracer provided by the proxy tracer provider
+ */
+export class ProxyTracer {
+    constructor(_provider, name, version, options) {
+        this._provider = _provider;
+        this.name = name;
+        this.version = version;
+        this.options = options;
+    }
+    startSpan(name, options, context) {
+        return this._getTracer().startSpan(name, options, context);
+    }
+    startActiveSpan(_name, _options, _context, _fn) {
+        const 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.
+     */
+    _getTracer() {
+        if (this._delegate) {
+            return this._delegate;
+        }
+        const tracer = this._provider.getDelegateTracer(this.name, this.version, this.options);
+        if (!tracer) {
+            return NOOP_TRACER;
+        }
+        this._delegate = tracer;
+        return this._delegate;
+    }
+}
+//# sourceMappingURL=ProxyTracer.js.map