spring-kafka MultiMethods 源码
spring-kafka MultiMethods 代码
文件路径：/samples/sample-02/src/main/java/com/example/MultiMethods.java
/*
* Copyright 2018-2021 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 com.example;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.core.task.TaskExecutor;
import org.springframework.kafka.annotation.KafkaHandler;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;
import com.common.Bar2;
import com.common.Foo2;
/**
* @author Gary Russell
* @since 5.1
*
*/
@Component
@KafkaListener(id = "multiGroup", topics = { "foos", "bars" })
public class MultiMethods {
private final TaskExecutor exec = new SimpleAsyncTaskExecutor();
@KafkaHandler
public void foo(Foo2 foo) {
System.out.println("Received: " + foo);
terminateMessage();
}
@KafkaHandler
public void bar(Bar2 bar) {
System.out.println("Received: " + bar);
terminateMessage();
}
@KafkaHandler(isDefault = true)
public void unknown(Object object) {
System.out.println("Received unknown: " + object);
terminateMessage();
}
private void terminateMessage() {
this.exec.execute(() -> System.out.println("Hit Enter to terminate..."));
}
}
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