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Viewing file:     trace.js (2.98 KB)      -rw-r--r--

/*
 * 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 { getGlobal, registerGlobal, unregisterGlobal, } from '../internal/global-utils';
import { ProxyTracerProvider } from '../trace/ProxyTracerProvider';
import { isSpanContextValid, wrapSpanContext, } from '../trace/spancontext-utils';
import { deleteSpan, getActiveSpan, getSpan, getSpanContext, setSpan, setSpanContext, } from '../trace/context-utils';
import { DiagAPI } from './diag';
var API_NAME = 'trace';
/**
 * Singleton object which represents the entry point to the OpenTelemetry Tracing API
 */
var TraceAPI = /** @class */ (function () {
    /** Empty private constructor prevents end users from constructing a new instance of the API */
    function TraceAPI() {
        this._proxyTracerProvider = new ProxyTracerProvider();
        this.wrapSpanContext = wrapSpanContext;
        this.isSpanContextValid = isSpanContextValid;
        this.deleteSpan = deleteSpan;
        this.getSpan = getSpan;
        this.getActiveSpan = getActiveSpan;
        this.getSpanContext = getSpanContext;
        this.setSpan = setSpan;
        this.setSpanContext = setSpanContext;
    }
    /** Get the singleton instance of the Trace API */
    TraceAPI.getInstance = function () {
        if (!this._instance) {
            this._instance = new TraceAPI();
        }
        return this._instance;
    };
    /**
     * Set the current global tracer.
     *
     * @returns true if the tracer provider was successfully registered, else false
     */
    TraceAPI.prototype.setGlobalTracerProvider = function (provider) {
        var success = registerGlobal(API_NAME, this._proxyTracerProvider, DiagAPI.instance());
        if (success) {
            this._proxyTracerProvider.setDelegate(provider);
        }
        return success;
    };
    /**
     * Returns the global tracer provider.
     */
    TraceAPI.prototype.getTracerProvider = function () {
        return getGlobal(API_NAME) || this._proxyTracerProvider;
    };
    /**
     * Returns a tracer from the global tracer provider.
     */
    TraceAPI.prototype.getTracer = function (name, version) {
        return this.getTracerProvider().getTracer(name, version);
    };
    /** Remove the global tracer provider */
    TraceAPI.prototype.disable = function () {
        unregisterGlobal(API_NAME, DiagAPI.instance());
        this._proxyTracerProvider = new ProxyTracerProvider();
    };
    return TraceAPI;
}());
export { TraceAPI };
//# sourceMappingURL=trace.js.map