org.springframework.boot.autoconfigure.kafka.ConcurrentKafkaListenerContainerFactoryConfigurer Maven / Gradle / Ivy
/*
* Copyright 2012-2016 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 org.springframework.boot.autoconfigure.kafka.KafkaProperties.Listener;
import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
import org.springframework.kafka.core.ConsumerFactory;
import org.springframework.kafka.listener.config.ContainerProperties;
/**
* Configure {@link ConcurrentKafkaListenerContainerFactory} with sensible defaults.
*
* @author Gary Russell
* @since 1.5.0
*/
public class ConcurrentKafkaListenerContainerFactoryConfigurer {
private KafkaProperties properties;
/**
* Set the {@link KafkaProperties} to use.
* @param properties the properties
*/
void setKafkaProperties(KafkaProperties properties) {
this.properties = properties;
}
/**
* Configure the specified Kafka listener container factory. The factory can be
* further tuned and default settings can be overridden.
* @param listenerContainerFactory the {@link ConcurrentKafkaListenerContainerFactory}
* instance to configure
* @param consumerFactory the {@link ConsumerFactory} to use
*/
public void configure(
ConcurrentKafkaListenerContainerFactory listenerContainerFactory,
ConsumerFactory consumerFactory) {
listenerContainerFactory.setConsumerFactory(consumerFactory);
Listener container = this.properties.getListener();
ContainerProperties containerProperties = listenerContainerFactory
.getContainerProperties();
if (container.getAckMode() != null) {
containerProperties.setAckMode(container.getAckMode());
}
if (container.getAckCount() != null) {
containerProperties.setAckCount(container.getAckCount());
}
if (container.getAckTime() != null) {
containerProperties.setAckTime(container.getAckTime());
}
if (container.getPollTimeout() != null) {
containerProperties.setPollTimeout(container.getPollTimeout());
}
if (container.getConcurrency() != null) {
listenerContainerFactory.setConcurrency(container.getConcurrency());
}
}
}