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/*!
*
* 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();
}
}