spring-kafka KafkaMessageHeaders 源码
spring-kafka KafkaMessageHeaders 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/support/converter/KafkaMessageHeaders.java
/*
* Copyright 2016-2019 the original author or 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
*
* https://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 org.springframework.kafka.support.converter;
import java.util.Map;
import org.springframework.messaging.MessageHeaders;
/**
* Overload of message headers configurable for adding id and timestamp headers.
*
* @author Marius Bogoevici
* @author Gary Russell
* @since 1.1
*
*/
@SuppressWarnings("serial")
public class KafkaMessageHeaders extends MessageHeaders {
/**
* Construct headers with or without id and/or timestamp.
* @param generateId true to add an ID header.
* @param generateTimestamp true to add a timestamp header.
*/
KafkaMessageHeaders(boolean generateId, boolean generateTimestamp) {
super(null, generateId ? null : ID_VALUE_NONE, generateTimestamp ? null : -1L);
}
@Override
public Map<String, Object> getRawHeaders() { //NOSONAR - not useless, widening to public
return super.getRawHeaders();
}
}
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