| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.rocketmq.spring.config; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.LinkedBlockingDeque; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.rocketmq.client.exception.MQClientException; |
| import org.apache.rocketmq.client.producer.TransactionMQProducer; |
| import org.apache.rocketmq.spring.annotation.RocketMQTransactionListener; |
| import org.apache.rocketmq.spring.core.RocketMQLocalTransactionListener; |
| import org.apache.rocketmq.spring.core.RocketMQTemplate; |
| import org.apache.rocketmq.spring.support.RocketMQUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.aop.support.AopUtils; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.factory.BeanCreationException; |
| import org.springframework.beans.factory.config.BeanPostProcessor; |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.ApplicationContextAware; |
| import org.springframework.core.Ordered; |
| import org.springframework.core.annotation.AnnotationUtils; |
| |
| public class RocketMQTransactionAnnotationProcessor |
| implements BeanPostProcessor, Ordered, ApplicationContextAware { |
| private final static Logger log = LoggerFactory.getLogger(RocketMQTransactionAnnotationProcessor.class); |
| |
| private ApplicationContext applicationContext; |
| private final Set<Class<?>> nonProcessedClasses = |
| Collections.newSetFromMap(new ConcurrentHashMap<Class<?>, Boolean>(64)); |
| |
| private RocketMQTemplate rocketMQTemplate; |
| |
| public RocketMQTransactionAnnotationProcessor(RocketMQTemplate rocketMQTemplate) { |
| this.rocketMQTemplate = rocketMQTemplate; |
| } |
| |
| @Override |
| public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { |
| this.applicationContext = applicationContext; |
| } |
| |
| @Override |
| public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException { |
| return bean; |
| } |
| |
| @Override |
| public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException { |
| if (!this.nonProcessedClasses.contains(bean.getClass())) { |
| Class<?> targetClass = AopUtils.getTargetClass(bean); |
| RocketMQTransactionListener listener = AnnotationUtils.findAnnotation(targetClass, RocketMQTransactionListener.class); |
| this.nonProcessedClasses.add(bean.getClass()); |
| if (listener == null) { // for quick search |
| log.trace("No @RocketMQTransactionListener annotations found on bean type: {}", bean.getClass()); |
| } else { |
| try { |
| processTransactionListenerAnnotation(listener, bean); |
| } catch (MQClientException e) { |
| log.error("Failed to process annotation " + listener, e); |
| throw new BeanCreationException("Failed to process annotation " + listener, e); |
| } |
| } |
| } |
| |
| return bean; |
| } |
| |
| private void processTransactionListenerAnnotation(RocketMQTransactionListener listener, Object bean) |
| throws MQClientException { |
| if (rocketMQTemplate == null) { |
| throw new MQClientException("Bad usage of @RocketMQTransactionListener, " + |
| "the class must work with RocketMQTemplate", null); |
| } |
| if (!RocketMQLocalTransactionListener.class.isAssignableFrom(bean.getClass())) { |
| throw new MQClientException("Bad usage of @RocketMQTransactionListener, " + |
| "the class must implement interface RocketMQLocalTransactionListener", |
| null); |
| } |
| |
| ((TransactionMQProducer) rocketMQTemplate.getProducer()).setExecutorService(new ThreadPoolExecutor(listener.corePoolSize(), listener.maximumPoolSize(), |
| listener.keepAliveTime(), TimeUnit.MILLISECONDS, new LinkedBlockingDeque<>(listener.blockingQueueSize()))); |
| ((TransactionMQProducer) rocketMQTemplate.getProducer()).setTransactionListener(RocketMQUtil.convert((RocketMQLocalTransactionListener) bean)); |
| |
| } |
| |
| @Override |
| public int getOrder() { |
| return LOWEST_PRECEDENCE; |
| } |
| |
| } |