org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer 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.amqp;
import org.springframework.amqp.rabbit.config.RetryInterceptorBuilder;
import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.listener.RabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.retry.RejectAndDontRequeueRecoverer;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.boot.autoconfigure.amqp.RabbitProperties.ListenerRetry;
import org.springframework.util.Assert;
/**
* Configure {@link RabbitListenerContainerFactory} with sensible defaults.
*
* @author Stephane Nicoll
* @author Gary Russell
* @since 1.3.3
*/
public final class SimpleRabbitListenerContainerFactoryConfigurer {
private MessageConverter messageConverter;
private RabbitProperties rabbitProperties;
/**
* Set the {@link MessageConverter} to use or {@code null} if the out-of-the-box
* converter should be used.
* @param messageConverter the {@link MessageConverter}
*/
void setMessageConverter(MessageConverter messageConverter) {
this.messageConverter = messageConverter;
}
/**
* Set the {@link RabbitProperties} to use.
* @param rabbitProperties the {@link RabbitProperties}
*/
void setRabbitProperties(RabbitProperties rabbitProperties) {
this.rabbitProperties = rabbitProperties;
}
/**
* Configure the specified rabbit listener container factory. The factory can be
* further tuned and default settings can be overridden.
* @param factory the {@link SimpleRabbitListenerContainerFactory} instance to
* configure
* @param connectionFactory the {@link ConnectionFactory} to use
*/
public void configure(SimpleRabbitListenerContainerFactory factory,
ConnectionFactory connectionFactory) {
Assert.notNull(factory, "Factory must not be null");
Assert.notNull(connectionFactory, "ConnectionFactory must not be null");
factory.setConnectionFactory(connectionFactory);
if (this.messageConverter != null) {
factory.setMessageConverter(this.messageConverter);
}
RabbitProperties.Listener listenerConfig = this.rabbitProperties.getListener();
factory.setAutoStartup(listenerConfig.isAutoStartup());
if (listenerConfig.getAcknowledgeMode() != null) {
factory.setAcknowledgeMode(listenerConfig.getAcknowledgeMode());
}
if (listenerConfig.getConcurrency() != null) {
factory.setConcurrentConsumers(listenerConfig.getConcurrency());
}
if (listenerConfig.getMaxConcurrency() != null) {
factory.setMaxConcurrentConsumers(listenerConfig.getMaxConcurrency());
}
if (listenerConfig.getPrefetch() != null) {
factory.setPrefetchCount(listenerConfig.getPrefetch());
}
if (listenerConfig.getTransactionSize() != null) {
factory.setTxSize(listenerConfig.getTransactionSize());
}
if (listenerConfig.getDefaultRequeueRejected() != null) {
factory.setDefaultRequeueRejected(listenerConfig.getDefaultRequeueRejected());
}
ListenerRetry retryConfig = listenerConfig.getRetry();
if (retryConfig.isEnabled()) {
RetryInterceptorBuilder builder = (retryConfig.isStateless()
? RetryInterceptorBuilder.stateless()
: RetryInterceptorBuilder.stateful());
builder.maxAttempts(retryConfig.getMaxAttempts());
builder.backOffOptions(retryConfig.getInitialInterval(),
retryConfig.getMultiplier(), retryConfig.getMaxInterval());
builder.recoverer(new RejectAndDontRequeueRecoverer());
factory.setAdviceChain(builder.build());
}
}
}