/opt/canhelp/node_modules/@opentelemetry/api/build/src/api
Edit: /opt/canhelp/node_modules/@opentelemetry/api/build/src/api/propagation.js (3099B)
"use strict";
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.PropagationAPI = void 0;
const global_utils_1 = require("../internal/global-utils");
const NoopTextMapPropagator_1 = require("../propagation/NoopTextMapPropagator");
const TextMapPropagator_1 = require("../propagation/TextMapPropagator");
const context_helpers_1 = require("../baggage/context-helpers");
const utils_1 = require("../baggage/utils");
const diag_1 = require("./diag");
const API_NAME = 'propagation';
const NOOP_TEXT_MAP_PROPAGATOR = new NoopTextMapPropagator_1.NoopTextMapPropagator();
/**
* Singleton object which represents the entry point to the OpenTelemetry Propagation API
*
* @since 1.0.0
*/
class PropagationAPI {
/** Empty private constructor prevents end users from constructing a new instance of the API */
constructor() {
this.createBaggage = utils_1.createBaggage;
this.getBaggage = context_helpers_1.getBaggage;
this.getActiveBaggage = context_helpers_1.getActiveBaggage;
this.setBaggage = context_helpers_1.setBaggage;
this.deleteBaggage = context_helpers_1.deleteBaggage;
}
/** Get the singleton instance of the Propagator API */
static getInstance() {
if (!this._instance) {
this._instance = new PropagationAPI();
}
return this._instance;
}
/**
* Set the current propagator.
*
* @returns true if the propagator was successfully registered, else false
*/
setGlobalPropagator(propagator) {
return (0, global_utils_1.registerGlobal)(API_NAME, propagator, diag_1.DiagAPI.instance());
}
/**
* Inject context into a carrier to be propagated inter-process
*
* @param context Context carrying tracing data to inject
* @param carrier carrier to inject context into
* @param setter Function used to set values on the carrier
*/
inject(context, carrier, setter = TextMapPropagator_1.defaultTextMapSetter) {
return this._getGlobalPropagator().inject(context, carrier, setter);
}
/**
* Extract context from a carrier
*
* @param context Context which the newly created context will inherit from
* @param carrier Carrier to extract context from
* @param getter Function used to extract keys from a carrier
*/
extract(context, carrier, getter = TextMapPropagator_1.defaultTextMapGetter) {
return this._getGlobalPropagator().extract(context, carrier, getter);
}
/**
* Return a list of all fields which may be used by the propagator.
*/
fields() {
return this._getGlobalPropagator().fields();
}
/** Remove the global propagator */
disable() {
(0, global_utils_1.unregisterGlobal)(API_NAME, diag_1.DiagAPI.instance());
}
_getGlobalPropagator() {
return (0, global_utils_1.getGlobal)(API_NAME) || NOOP_TEXT_MAP_PROPAGATOR;
}
}
exports.PropagationAPI = PropagationAPI;
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