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Listener.java
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Listener.java
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/*
* Copyright 2017-2020 The OpenTracing 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
*
* 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 io.opentracing.contrib.kafka.spring;
import io.opentracing.mock.MockTracer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
@Component
public class Listener {
@Autowired
private MockTracer tracer;
@KafkaListener(topics = "spring")
public void listen(String message) {
System.out.println("active span: " + tracer.activeSpan());
System.out.println(message);
}
}