org.springframework.boot.autoconfigure.kafka.ConcurrentKafkaListenerContainerFactoryConfigurer Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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
*
* 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 org.springframework.boot.autoconfigure.kafka;
import java.time.Duration;
import org.springframework.boot.autoconfigure.kafka.KafkaProperties.Listener;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
import org.springframework.kafka.core.ConsumerFactory;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.kafka.listener.config.ContainerProperties;
import org.springframework.kafka.support.converter.RecordMessageConverter;
/**
* Configure {@link ConcurrentKafkaListenerContainerFactory} with sensible defaults.
*
* @author Gary Russell
* @author Eddú Meléndez
* @since 1.5.0
*/
public class ConcurrentKafkaListenerContainerFactoryConfigurer {
private KafkaProperties properties;
private RecordMessageConverter messageConverter;
private KafkaTemplate replyTemplate;
/**
* Set the {@link KafkaProperties} to use.
* @param properties the properties
*/
void setKafkaProperties(KafkaProperties properties) {
this.properties = properties;
}
/**
* Set the {@link RecordMessageConverter} to use.
* @param messageConverter the message converter
*/
void setMessageConverter(RecordMessageConverter messageConverter) {
this.messageConverter = messageConverter;
}
/**
* Set the {@link KafkaTemplate} to use to send replies.
* @param replyTemplate the reply template
*/
void setReplyTemplate(KafkaTemplate replyTemplate) {
this.replyTemplate = replyTemplate;
}
/**
* Configure the specified Kafka listener container factory. The factory can be
* further tuned and default settings can be overridden.
* @param listenerFactory the {@link ConcurrentKafkaListenerContainerFactory} instance
* to configure
* @param consumerFactory the {@link ConsumerFactory} to use
*/
public void configure(
ConcurrentKafkaListenerContainerFactory listenerFactory,
ConsumerFactory consumerFactory) {
listenerFactory.setConsumerFactory(consumerFactory);
configureListenerFactory(listenerFactory);
configureContainer(listenerFactory.getContainerProperties());
}
private void configureListenerFactory(
ConcurrentKafkaListenerContainerFactory factory) {
PropertyMapper map = PropertyMapper.get();
Listener properties = this.properties.getListener();
map.from(properties::getConcurrency).whenNonNull().to(factory::setConcurrency);
map.from(() -> this.messageConverter).whenNonNull()
.to(factory::setMessageConverter);
map.from(() -> this.replyTemplate).whenNonNull().to(factory::setReplyTemplate);
map.from(properties::getType).whenEqualTo(Listener.Type.BATCH)
.toCall(() -> factory.setBatchListener(true));
}
private void configureContainer(ContainerProperties container) {
PropertyMapper map = PropertyMapper.get();
Listener properties = this.properties.getListener();
map.from(properties::getAckMode).whenNonNull().to(container::setAckMode);
map.from(properties::getClientId).whenNonNull().to(container::setClientId);
map.from(properties::getAckCount).whenNonNull().to(container::setAckCount);
map.from(properties::getAckTime).whenNonNull().as(Duration::toMillis)
.to(container::setAckTime);
map.from(properties::getPollTimeout).whenNonNull().as(Duration::toMillis)
.to(container::setPollTimeout);
map.from(properties::getNoPollThreshold).whenNonNull()
.to(container::setNoPollThreshold);
map.from(properties::getIdleEventInterval).whenNonNull().as(Duration::toMillis)
.to(container::setIdleEventInterval);
map.from(properties::getMonitorInterval).whenNonNull().as(Duration::getSeconds)
.as(Number::intValue).to(container::setMonitorInterval);
map.from(properties::getLogContainerConfig).whenNonNull()
.to(container::setLogContainerConfig);
}
}