spring-kafka MessagingFunction 源码
spring-kafka MessagingFunction 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/streams/messaging/MessagingFunction.java
/*
* Copyright 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.streams.messaging;
import org.springframework.messaging.Message;
/**
* A function that receives a spring-messaging {@link Message} and returns
* a {@link Message}.
*
* @author Gary Russell
* @since 2.3
*
*/
@FunctionalInterface
public interface MessagingFunction {
Message<?> exchange(Message<?> message);
}
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