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/*
* 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.support;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.MessageSelector;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.client.consumer.listener.MessageListenerOrderly;
import org.apache.rocketmq.client.consumer.rebalance.AllocateMessageQueueAveragely;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.remoting.RPCHook;
import org.apache.rocketmq.spring.annotation.ConsumeMode;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.annotation.SelectorType;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.apache.rocketmq.spring.core.RocketMQPushConsumerLifecycleListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.framework.AopProxyUtils;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.SmartLifecycle;
import org.springframework.util.Assert;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.nio.charset.Charset;
import java.util.List;
import java.util.Objects;
@SuppressWarnings("WeakerAccess")
public class DefaultRocketMQListenerContainer implements InitializingBean,
RocketMQListenerContainer, SmartLifecycle, ApplicationContextAware {
private final static Logger log = LoggerFactory.getLogger(DefaultRocketMQListenerContainer.class);
private ApplicationContext applicationContext;
private long suspendCurrentQueueTimeMillis = 1000;
/**
* Message consume retry strategy<br> -1,no retry,put into DLQ directly<br> 0,broker control retry frequency<br>
* >0,client control retry frequency.
*/
private int delayLevelWhenNextConsume = 0;
private String nameServer;
private String consumerGroup;
private String topic;
private int consumeThreadMax = 64;
private String charset = "UTF-8";
private ObjectMapper objectMapper;
private RocketMQListener rocketMQListener;
private RocketMQMessageListener rocketMQMessageListener;
private DefaultMQPushConsumer consumer;
private Class messageType;
private boolean running;
// The following properties came from @RocketMQMessageListener.
private ConsumeMode consumeMode;
private SelectorType selectorType;
private String selectorExpression;
private MessageModel messageModel;
public long getSuspendCurrentQueueTimeMillis() {
return suspendCurrentQueueTimeMillis;
}
public void setSuspendCurrentQueueTimeMillis(long suspendCurrentQueueTimeMillis) {
this.suspendCurrentQueueTimeMillis = suspendCurrentQueueTimeMillis;
}
public int getDelayLevelWhenNextConsume() {
return delayLevelWhenNextConsume;
}
public void setDelayLevelWhenNextConsume(int delayLevelWhenNextConsume) {
this.delayLevelWhenNextConsume = delayLevelWhenNextConsume;
}
public String getNameServer() {
return nameServer;
}
public void setNameServer(String nameServer) {
this.nameServer = nameServer;
}
public String getConsumerGroup() {
return consumerGroup;
}
public void setConsumerGroup(String consumerGroup) {
this.consumerGroup = consumerGroup;
}
public String getTopic() {
return topic;
}
public void setTopic(String topic) {
this.topic = topic;
}
public int getConsumeThreadMax() {
return consumeThreadMax;
}
public String getCharset() {
return charset;
}
public void setCharset(String charset) {
this.charset = charset;
}
public ObjectMapper getObjectMapper() {
return objectMapper;
}
public void setObjectMapper(ObjectMapper objectMapper) {
this.objectMapper = objectMapper;
}
public RocketMQListener getRocketMQListener() {
return rocketMQListener;
}
public void setRocketMQListener(RocketMQListener rocketMQListener) {
this.rocketMQListener = rocketMQListener;
}
public RocketMQMessageListener getRocketMQMessageListener() {
return rocketMQMessageListener;
}
public void setRocketMQMessageListener(RocketMQMessageListener anno) {
this.rocketMQMessageListener = anno;
this.consumeMode = anno.consumeMode();
this.consumeThreadMax = anno.consumeThreadMax();
this.messageModel = anno.messageModel();
this.selectorExpression = anno.selectorExpression();
this.selectorType = anno.selectorType();
}
public ConsumeMode getConsumeMode() {
return consumeMode;
}
public SelectorType getSelectorType() {
return selectorType;
}
public String getSelectorExpression() {
return selectorExpression;
}
public MessageModel getMessageModel() {
return messageModel;
}
public DefaultMQPushConsumer getConsumer() {
return consumer;
}
public void setConsumer(DefaultMQPushConsumer consumer) {
this.consumer = consumer;
}
@Override
public void setupMessageListener(RocketMQListener rocketMQListener) {
this.rocketMQListener = rocketMQListener;
}
@Override
public void destroy() {
this.setRunning(false);
if (Objects.nonNull(consumer)) {
consumer.shutdown();
}
log.info("container destroyed, {}", this.toString());
}
@Override
public boolean isAutoStartup() {
return true;
}
@Override
public void stop(Runnable callback) {
stop();
callback.run();
}
@Override
public void start() {
if (this.isRunning()) {
throw new IllegalStateException("container already running. " + this.toString());
}
try {
consumer.start();
} catch (MQClientException e) {
throw new IllegalStateException("Failed to start RocketMQ push consumer", e);
}
this.setRunning(true);
log.info("running container: {}", this.toString());
}
@Override
public void stop() {
if (this.isRunning()) {
if (Objects.nonNull(consumer)) {
consumer.shutdown();
}
setRunning(false);
}
}
@Override
public boolean isRunning() {
return running;
}
private void setRunning(boolean running) {
this.running = running;
}
@Override
public int getPhase() {
// Returning Integer.MAX_VALUE only suggests that
// we will be the first bean to shutdown and last bean to start
return Integer.MAX_VALUE;
}
@Override
public void afterPropertiesSet() throws Exception {
initRocketMQPushConsumer();
this.messageType = getMessageType();
log.debug("RocketMQ messageType: {}", messageType.getName());
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
@Override
public String toString() {
return "DefaultRocketMQListenerContainer{" +
"consumerGroup='" + consumerGroup + '\'' +
", nameServer='" + nameServer + '\'' +
", topic='" + topic + '\'' +
", consumeMode=" + consumeMode +
", selectorType=" + selectorType +
", selectorExpression='" + selectorExpression + '\'' +
", messageModel=" + messageModel +
'}';
}
public class DefaultMessageListenerConcurrently implements MessageListenerConcurrently {
@SuppressWarnings("unchecked")
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
for (MessageExt messageExt : msgs) {
log.debug("received msg: {}", messageExt);
try {
long now = System.currentTimeMillis();
rocketMQListener.onMessage(doConvertMessage(messageExt));
long costTime = System.currentTimeMillis() - now;
log.debug("consume {} cost: {} ms", messageExt.getMsgId(), costTime);
} catch (Exception e) {
log.warn("consume message failed. messageExt:{}", messageExt, e);
context.setDelayLevelWhenNextConsume(delayLevelWhenNextConsume);
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
}
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
}
public class DefaultMessageListenerOrderly implements MessageListenerOrderly {
@SuppressWarnings("unchecked")
@Override
public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
for (MessageExt messageExt : msgs) {
log.debug("received msg: {}", messageExt);
try {
long now = System.currentTimeMillis();
rocketMQListener.onMessage(doConvertMessage(messageExt));
long costTime = System.currentTimeMillis() - now;
log.info("consume {} cost: {} ms", messageExt.getMsgId(), costTime);
} catch (Exception e) {
log.warn("consume message failed. messageExt:{}", messageExt, e);
context.setSuspendCurrentQueueTimeMillis(suspendCurrentQueueTimeMillis);
return ConsumeOrderlyStatus.SUSPEND_CURRENT_QUEUE_A_MOMENT;
}
}
return ConsumeOrderlyStatus.SUCCESS;
}
}
@SuppressWarnings("unchecked")
private Object doConvertMessage(MessageExt messageExt) {
if (Objects.equals(messageType, MessageExt.class)) {
return messageExt;
} else {
String str = new String(messageExt.getBody(), Charset.forName(charset));
if (Objects.equals(messageType, String.class)) {
return str;
} else {
// If msgType not string, use objectMapper change it.
try {
return objectMapper.readValue(str, messageType);
} catch (Exception e) {
log.info("convert failed. str:{}, msgType:{}", str, messageType);
throw new RuntimeException("cannot convert message to " + messageType, e);
}
}
}
}
private Class getMessageType() {
Class<?> targetClass = AopProxyUtils.ultimateTargetClass(rocketMQListener);
Type[] interfaces = targetClass.getGenericInterfaces();
Class<?> superclass = targetClass.getSuperclass();
while ((Objects.isNull(interfaces) || 0 == interfaces.length) && Objects.nonNull(superclass)) {
interfaces = superclass.getGenericInterfaces();
superclass = targetClass.getSuperclass();
}
if (Objects.nonNull(interfaces)) {
for (Type type : interfaces) {
if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
if (Objects.equals(parameterizedType.getRawType(), RocketMQListener.class)) {
Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();
if (Objects.nonNull(actualTypeArguments) && actualTypeArguments.length > 0) {
return (Class) actualTypeArguments[0];
} else {
return Object.class;
}
}
}
}
return Object.class;
} else {
return Object.class;
}
}
private void initRocketMQPushConsumer() throws MQClientException {
Assert.notNull(rocketMQListener, "Property 'rocketMQListener' is required");
Assert.notNull(consumerGroup, "Property 'consumerGroup' is required");
Assert.notNull(nameServer, "Property 'nameServer' is required");
Assert.notNull(topic, "Property 'topic' is required");
RPCHook rpcHook = RocketMQUtil.getRPCHookByAkSk(applicationContext.getEnvironment(),
this.rocketMQMessageListener.accessKey(), this.rocketMQMessageListener.secretKey());
boolean enableMsgTrace = rocketMQMessageListener.enableMsgTrace();
if (Objects.nonNull(rpcHook)) {
consumer = new DefaultMQPushConsumer(consumerGroup, rpcHook, new AllocateMessageQueueAveragely(),
enableMsgTrace, this.applicationContext.getEnvironment().
resolveRequiredPlaceholders(this.rocketMQMessageListener.customizedTraceTopic()));
consumer.setVipChannelEnabled(false);
consumer.setInstanceName(RocketMQUtil.getInstanceName(rpcHook, consumerGroup));
} else {
log.debug("Access-key or secret-key not configure in " + this + ".");
consumer = new DefaultMQPushConsumer(consumerGroup, enableMsgTrace,
this.applicationContext.getEnvironment().
resolveRequiredPlaceholders(this.rocketMQMessageListener.customizedTraceTopic()));
}
consumer.setNamesrvAddr(nameServer);
consumer.setConsumeThreadMax(consumeThreadMax);
if (consumeThreadMax < consumer.getConsumeThreadMin()) {
consumer.setConsumeThreadMin(consumeThreadMax);
}
switch (messageModel) {
case BROADCASTING:
consumer.setMessageModel(org.apache.rocketmq.common.protocol.heartbeat.MessageModel.BROADCASTING);
break;
case CLUSTERING:
consumer.setMessageModel(org.apache.rocketmq.common.protocol.heartbeat.MessageModel.CLUSTERING);
break;
default:
throw new IllegalArgumentException("Property 'messageModel' was wrong.");
}
switch (selectorType) {
case TAG:
consumer.subscribe(topic, selectorExpression);
break;
case SQL92:
consumer.subscribe(topic, MessageSelector.bySql(selectorExpression));
break;
default:
throw new IllegalArgumentException("Property 'selectorType' was wrong.");
}
switch (consumeMode) {
case ORDERLY:
consumer.setMessageListener(new DefaultMessageListenerOrderly());
break;
case CONCURRENTLY:
consumer.setMessageListener(new DefaultMessageListenerConcurrently());
break;
default:
throw new IllegalArgumentException("Property 'consumeMode' was wrong.");
}
if (rocketMQListener instanceof RocketMQPushConsumerLifecycleListener) {
((RocketMQPushConsumerLifecycleListener) rocketMQListener).prepareStart(consumer);
}
}
}