| /* |
| * 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. |
| */ |
| package sample.opentracing.logging; |
| |
| import java.util.List; |
| |
| import io.opentracing.mock.MockSpan; |
| import io.opentracing.mock.MockTracer; |
| |
| public class LoggingTracer extends MockTracer { |
| |
| public LoggingTracer() { |
| super(MockTracer.Propagator.TEXT_MAP); |
| } |
| |
| @Override |
| protected void onSpanFinished(MockSpan mockSpan) { |
| System.out.println("SPAN FINISHED: traceId=" + mockSpan.context().traceId() |
| + " spanId=" + mockSpan.context().spanId() |
| + " parentId=" + mockSpan.parentId() |
| + " operation=" + mockSpan.operationName() |
| + " tags=" + mockSpan.tags() |
| + " logs=[" + toText(mockSpan.logEntries()) |
| + "]"); |
| } |
| |
| protected String toText(List<MockSpan.LogEntry> logEntries) { |
| StringBuilder builder = new StringBuilder(); |
| logEntries.forEach(entry -> builder.append(entry.fields())); |
| return builder.toString(); |
| } |
| } |