| /*! |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * http://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 Context from '../../trace/context/Context'; |
| import Span from '../../trace/span/Span'; |
| import DummySpan from '../../trace/span/DummySpan'; |
| import Segment from '../../trace/context/Segment'; |
| import { Component } from '../Component'; |
| import { ContextCarrier } from './ContextCarrier'; |
| import ContextManager from './ContextManager'; |
| |
| export default class DummyContext implements Context { |
| segment: Segment = new Segment(); |
| nSpans = 0; |
| finished = false; |
| |
| newEntrySpan(operation: string, carrier?: ContextCarrier, inherit?: Component | Component[]): Span { |
| return DummySpan.create(this); |
| } |
| |
| newExitSpan(operation: string, component: Component, inherit?: Component): Span { |
| return DummySpan.create(this); |
| } |
| |
| newLocalSpan(operation: string): Span { |
| return DummySpan.create(this); |
| } |
| |
| start(span: DummySpan): Context { |
| const spans = ContextManager.spansDup(); |
| |
| if (!this.nSpans++) { |
| ContextManager.checkCold(); // set cold to false |
| |
| if (spans.indexOf(span) === -1) spans.push(span); |
| } |
| |
| return this; |
| } |
| |
| stop(span: DummySpan): boolean { |
| if (--this.nSpans) return false; |
| |
| ContextManager.clear(span); |
| |
| return true; |
| } |
| |
| async(span: DummySpan) { |
| ContextManager.clear(span); |
| } |
| |
| resync(span: DummySpan) { |
| ContextManager.restore(span); |
| } |
| |
| traceId(): string { |
| if (!this.segment.relatedTraces) { |
| return 'N/A'; |
| } |
| return this.segment.relatedTraces[0].toString(); |
| } |
| } |