Java Code Examples for org.apache.rocketmq.client.consumer.DefaultMQPushConsumer#start()
The following examples show how to use
org.apache.rocketmq.client.consumer.DefaultMQPushConsumer#start() .
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Example 1
| Source File: PushConsumer.java From rocketmq-read with Apache License 2.0 | 6 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_1");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.setMessageModel(MessageModel.BROADCASTING);
consumer.subscribe("TopicTest", "TagA || TagC || TagD");
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Broadcast Consumer Started.%n");
}
Example 2
| Source File: PushConsumer2.java From blog with BSD 2-Clause "Simplified" License | 6 votes |
|
public static void main(String[] args) throws MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("ConsumerGroupName");
consumer.setNamesrvAddr("192.168.237.128:9876");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.subscribe("TopicTest1234", "*");
consumer.registerMessageListener(new MessageListenerOrderly() {
@Override
public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
System.out.printf("Time [" + new Date().toString() + "]," +Thread.currentThread().getName() + "Receive New Messages :" + msgs + "%n");
return ConsumeOrderlyStatus.SUCCESS;
}
});
consumer.start();
}
Example 3
| Source File: PushConsumer.java From DDMQ with Apache License 2.0 | 6 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("CID_JODIE_1");
consumer.subscribe("Jodie_topic_1023", "*");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
//wrong time format 2017_0422_221800
consumer.setConsumeTimestamp("20170422221800");
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 4
| Source File: Consumer.java From DDMQ with Apache License 2.0 | 6 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException, IOException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("ConsumerGroupNamecc4");
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
File classFile = new File(classLoader.getResource("MessageFilterImpl.java").getFile());
String filterCode = MixAll.file2String(classFile);
consumer.subscribe("TopicTest", "org.apache.rocketmq.example.filter.MessageFilterImpl",
filterCode);
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 5
| Source File: Consumer.java From rocketmq-all-4.1.0-incubating with Apache License 2.0 | 6 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException, IOException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("ConsumerGroupNamecc4");
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
File classFile = new File(classLoader.getResource("MessageFilterImpl.java").getFile());
String filterCode = MixAll.file2String(classFile);
consumer.subscribe("TopicTest", "org.apache.rocketmq.example.filter.MessageFilterImpl",
filterCode);
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 6
| Source File: DelayConsumer.java From blog with MIT License | 6 votes |
|
public static void main(String[] args) throws MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("Delay_Consumer");
consumer.setNamesrvAddr("127.0.0.1:9876");
consumer.subscribe("DelayMessageTopic", "*");
consumer.registerMessageListener(
new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(
List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
MessageExt msg = msgs.get(0);
System.out.println(
new String(msg.getBody())
+ " storeTimestamp = "
+ (System.currentTimeMillis() - msg.getStoreTimestamp()));
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.println("Consumer 已启动");
}
Example 7
| Source File: PushConsumer.java From rocketmq with Apache License 2.0 | 6 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("CID_JODIE_1");
consumer.subscribe("Jodie_topic_1023", "*");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.registerMessageListener(new MessageListenerConcurrently() {
/**
*/
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 8
| Source File: Consumer.java From DDMQ with Apache License 2.0 | 5 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
CommandLine commandLine = buildCommandline(args);
if (commandLine != null) {
String group = commandLine.getOptionValue('g');
String topic = commandLine.getOptionValue('t');
String subscription = commandLine.getOptionValue('s');
final String returnFailedHalf = commandLine.getOptionValue('f');
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(group);
consumer.setInstanceName(Long.toString(System.currentTimeMillis()));
consumer.subscribe(topic, subscription);
consumer.registerMessageListener(new MessageListenerConcurrently() {
AtomicLong consumeTimes = new AtomicLong(0);
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
long currentTimes = this.consumeTimes.incrementAndGet();
System.out.printf("%-8d %s%n", currentTimes, msgs);
if (Boolean.parseBoolean(returnFailedHalf)) {
if ((currentTimes % 2) == 0) {
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
}
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
}
Example 9
| Source File: RocketEventChannel.java From jstarcraft-core with Apache License 2.0 | 5 votes |
|
@Override
public void registerMonitor(Set<Class> types, EventMonitor monitor) {
try {
for (Class type : types) {
EventManager manager = managers.get(type);
if (manager == null) {
manager = new EventManager();
managers.put(type, manager);
// TODO 需要防止路径冲突
String address = name + StringUtility.DOT + type.getName();
address = address.replace(StringUtility.DOT, StringUtility.DASH);
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(address);
consumer.setInstanceName(name);
consumer.setNamesrvAddr(connections);
consumer.setConsumeMessageBatchMaxSize(1000);
consumer.subscribe(address, "*");
switch (mode) {
case QUEUE: {
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.setMessageModel(MessageModel.CLUSTERING);
break;
}
case TOPIC: {
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
consumer.setMessageModel(MessageModel.BROADCASTING);
break;
}
}
EventHandler handler = new EventHandler(type, manager);
consumer.registerMessageListener(handler);
consumer.start();
consumers.put(type, consumer);
}
manager.attachMonitor(monitor);
}
} catch (Exception exception) {
throw new RuntimeException(exception);
}
}
Example 10
| Source File: Consumer.java From rocketmq with Apache License 2.0 | 5 votes |
|
public static void main(String[] args) throws MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_3");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.subscribe("TopicTest", "TagA || TagC || TagD");
consumer.setNamesrvAddr("127.0.0.1:9876"); // TODO add by yunai
consumer.registerMessageListener(new MessageListenerOrderly() {
AtomicLong consumeTimes = new AtomicLong(0);
@Override
public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
context.setAutoCommit(false);
System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");
this.consumeTimes.incrementAndGet();
if ((this.consumeTimes.get() % 2) == 0) {
return ConsumeOrderlyStatus.SUCCESS;
} else if ((this.consumeTimes.get() % 3) == 0) {
return ConsumeOrderlyStatus.ROLLBACK;
} else if ((this.consumeTimes.get() % 4) == 0) {
return ConsumeOrderlyStatus.COMMIT;
} else if ((this.consumeTimes.get() % 5) == 0) {
context.setSuspendCurrentQueueTimeMillis(3000);
return ConsumeOrderlyStatus.SUSPEND_CURRENT_QUEUE_A_MOMENT;
}
return ConsumeOrderlyStatus.SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 11
| Source File: BroadcastConsumer1.java From blog with MIT License | 5 votes |
|
public static void main(String[] args) throws MQClientException {
/** TODO: 创建消息消费者对象 */
DefaultMQPushConsumer broadcast_consumer = new DefaultMQPushConsumer("Broadcast_Consumer");
/** TODO: 连接 namerserver */
broadcast_consumer.setNamesrvAddr("127.0.0.1:9876");
/**
* TODO: 设置 Consumer 类型
*
* <p>默认 CLUSTERING(集群模式，一个 Consumer Group 中的 Consumer 实例平均分摊消费消息)；
*
* <p>BROADCASTING(广播模式，一个消息被多个 Consumer 消费)
*/
broadcast_consumer.setMessageModel(MessageModel.BROADCASTING);
/** TODO: 订阅消息主题, 第二个参数表示 指定 订阅的 tag，* 表示全部 */
broadcast_consumer.subscribe("MyTopic", "*");
/** TODO: 注册消息监听 */
broadcast_consumer.registerMessageListener(
new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(
List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
// TODO: 输出获取的消息
msgs.forEach(o -> System.out.println(new String(o.getBody())));
// TODO: 返回消费结果
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
/** TODO: 启动 namerserver 连接 */
broadcast_consumer.start();
System.out.println("BroadcastConsumer1 已启动===========");
}
Example 12
| Source File: RockMqTestCase.java From jstarcraft-core with Apache License 2.0 | 5 votes |
|
@Test
public void testQueue() throws Exception {
int size = 5;
DefaultMQPushConsumer[] consumers = new DefaultMQPushConsumer[size];
for (int index = 0; index < size; index++) {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("queue");
consumer.setInstanceName("queueConsumer" + index);
consumer.setNamesrvAddr("localhost:9876");
consumer.setMessageModel(MessageModel.CLUSTERING);
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.setConsumeMessageBatchMaxSize(1000);
consumer.subscribe("queue-message", "*");
consumer.registerMessageListener(listener);
consumer.start();
consumers[index] = consumer;
}
DefaultMQProducer producer = new DefaultMQProducer("queue");
producer.setNamesrvAddr("localhost:9876");
producer.start();
for (int index = 0; index < 10; index++) {
Message message = new Message("queue-message", "tag", ("RocketMQ 集群模式 " + index).getBytes(StringUtility.CHARSET));
producer.send(message);
}
semaphore.acquire(10);
producer.shutdown();
for (int index = 0; index < size; index++) {
consumers[index].shutdown();
}
}
Example 13
| Source File: Consumer.java From learning-code with Apache License 2.0 | 5 votes |
|
@Bean
public DefaultMQPushConsumer getRocketMQConsumer() {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(groupName);
consumer.setNamesrvAddr(namesrvAddr);
consumer.setConsumeThreadMin(consumeThreadMin);
consumer.setConsumeThreadMax(consumeThreadMax);
consumer.registerMessageListener(mqMessageListenerProcessor);
/**
* 设置Consumer第一次启动是从队列头部开始消费还是队列尾部开始消费
* 如果非第一次启动，那么按照上次消费的位置继续消费
*/
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
/**
* 设置消费模型，集群还是广播，默认为集群
*/
//consumer.setMessageModel(MessageModel.CLUSTERING);
/**
* 设置一次消费消息的条数，默认为1条
*/
consumer.setConsumeMessageBatchMaxSize(consumeMessageBatchMaxSize);
try {
/**
* 设置该消费者订阅的主题和tag，如果是订阅该主题下的所有tag，则tag使用*；如果需要指定订阅该主题下的某些tag，则使用||分割，例如tag1||tag2||tag3
*/
String[] topicTagsArr = topics.split(";");
for (String topicTags : topicTagsArr) {
String[] topicTag = topicTags.split("~");
consumer.subscribe(topicTag[0], topicTag[1]);
}
consumer.start();
log.info("consumer is start !!! groupName:{},topics:{},namesrvAddr:{}", groupName, topics, namesrvAddr);
} catch (MQClientException e) {
log.error("consumer is start !!! groupName:{},topics:{},namesrvAddr:{}", groupName, topics, namesrvAddr, e);
}
return consumer;
}
Example 14
| Source File: TransactionConsumer.java From java-tutorial with MIT License | 5 votes |
|
public static void main(String[] args) throws MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("transaction_Consumer");
consumer.setNamesrvAddr(NAMESRVADDR);
/**
* 设置Consumer第一次启动是从队列头部开始消费还是队列尾部开始消费
* 如果非第一次启动，那么按照上次消费的位置继续消费
*/
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.subscribe("TopicTransactionTest", "*");
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> list,
ConsumeConcurrentlyContext concurrentlyContext) {
for (MessageExt msg : list) {
System.out.println(msg + ",内容：" + new String(msg.getBody()));
}
try {
TimeUnit.SECONDS.sleep(5L);
} catch (InterruptedException e) {
e.printStackTrace();
//重试
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
//成功
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.println("consumer Started.");
}
Example 15
| Source File: BroadcastConsumer2.java From blog with MIT License | 5 votes |
|
public static void main(String[] args) throws MQClientException {
/** TODO: 创建消息消费者对象 */
DefaultMQPushConsumer broadcast_consumer = new DefaultMQPushConsumer("Broadcast_Consumer");
/** TODO: 连接 namerserver */
broadcast_consumer.setNamesrvAddr("127.0.0.1:9876");
/**
* TODO: 设置 Consumer 类型
*
* <p>默认 CLUSTERING(集群模式，一个 Consumer Group 中的 Consumer 实例平均分摊消费消息)；
*
* <p>BROADCASTING(广播模式，一个消息被多个 Consumer 消费)
*/
broadcast_consumer.setMessageModel(MessageModel.BROADCASTING);
/** TODO: 订阅消息主题, 第二个参数表示 指定 订阅的 tag，* 表示全部 */
broadcast_consumer.subscribe("MyTopic", "*");
/** TODO: 注册消息监听 */
broadcast_consumer.registerMessageListener(
new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(
List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
// TODO: 输出获取的消息
msgs.forEach(o -> System.out.println(new String(o.getBody())));
// TODO: 返回消费结果
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
/** TODO: 启动 namerserver 连接 */
broadcast_consumer.start();
System.out.println("BroadcastConsumer2 已启动===========");
}
Example 16
| Source File: Consumer2.java From rocketmq-all-4.1.0-incubating with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
/*
* Instantiate with specified consumer group name.
*/
/**
* Consumer Group,非常重要的概念，后续会慢慢补充
*/
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");
//指定NameServer地址，多个地址以 ; 隔开
consumer.setNamesrvAddr("127.0.0.1:9876");
/*
* Specify name server addresses.
* <p/>
*
* Alternatively, you may specify name server addresses via exporting environmental variable: NAMESRV_ADDR
* <pre>
* {@code
* consumer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");
* }
* </pre>
*/
/*
* Specify where to start in case the specified consumer group is a brand new one.
*/
/**
* 设置Consumer第一次启动是从队列头部开始消费还是队列尾部开始消费
* 如果非第一次启动，那么按照上次消费的位置继续消费
*/
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
/*
* Subscribe one more more topics to consume.
*/
consumer.subscribe("TopicTest", "*");
/*
* Register callback to execute on arrival of messages fetched from brokers.
*/
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
try {
MessageExt msg = msgs.get(0);
//通过把时间打印出来看看重试的时间效果 重试应该时间10s 30s 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m 20m 30m 1h 2h
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
String msgbody = new String(msg.getBody(), "utf-8");
System.out.println(simpleDateFormat.format(new Date())+msgbody + " Receive New Messages: " + msgs);
Thread.sleep(200000); //不模拟异常，模拟非常耗时看看效果如何？？，观察消息重试情况 观察该字段的值的变化reconsumeTimes
} catch (Exception e) {
e.printStackTrace();
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
/*
* Launch the consumer instance.
*/
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 17
| Source File: Consumer.java From rocketmq with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
/*
* Instantiate with specified consumer group name.
*/
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");
/*
* Specify name server addresses.
* <p/>
*
* Alternatively, you may specify name server addresses via exporting environmental variable: NAMESRV_ADDR
* <pre>
* {@code
* consumer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");
* }
* </pre>
*/
/*
* Specify where to start in case the specified consumer group is a brand new one.
*/
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
/*
* Subscribe one more more topics to consume.
*/
consumer.subscribe("TopicTest", "*");
/*
* Register callback to execute on arrival of messages fetched from brokers.
*/
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
/*
* Launch the consumer instance.
*/
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 18
| Source File: Consumer.java From code with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws MQClientException {
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("test_quick_ms_consumer_name");
//consumer.setNamesrvAddr(Const.NAMESRV_ADDR_MASTER_SLAVE);
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
consumer.subscribe("test_quick_topic", "*");
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
MessageExt me = msgs.get(0);
try {
String topic = me.getTopic();
String tags = me.getTags();
String keys = me.getKeys();
// 模拟消息消费失败异常
//if(keys.equals("key1")) {
// System.err.println("消息消费失败..");
// int a = 1/0;
//}
String msgBody = new String(me.getBody(), RemotingHelper.DEFAULT_CHARSET);
System.err.println("topic: " + topic + ",tags: " + tags + ", keys: " + keys + ",body: " + msgBody);
} catch (Exception e) {
e.printStackTrace();
// 消息重发次数
int recousumeTimes = me.getReconsumeTimes();
System.err.println("recousumeTimes: " + recousumeTimes);
if(recousumeTimes == 3) {
/*
* 对于broke消息重发到一定次数的时候
* 记录日志....
* 做补偿处理
*/
System.out.println("消息无法消费 msid="+me.getMsgId());
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
// broke消息重发
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.err.println("consumer start...");
}
Example 19
| Source File: Consumer.java From rocketmq with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws InterruptedException, MQClientException {
/*
* Instantiate with specified consumer group name.
*/
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");
consumer.setConsumeThreadMin(1);
consumer.setConsumeThreadMax(1);
// consumer.setConsumeMessageBatchMaxSize(2);
consumer.setNamesrvAddr("127.0.0.1:9876"); // TODO add by yunai
/*
* Specify name server addresses.
* <p/>
*
* Alternatively, you may specify name server addresses via exporting environmental variable: NAMESRV_ADDR
* <pre>
* {@code
* consumer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");
* }
* </pre>
*/
/*
* Specify where to start in case the specified consumer group is a brand new one.
*/
// consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
/*
* Subscribe one more more topics to consume.
*/
// consumer.subscribe("TopicRead3", "*");
// consumer.subscribe("TopicTest", "*");
consumer.subscribe("TopicTest_mis", "*");
/*
* Register callback to execute on arrival of messages fetched from brokers.
*/
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");
return ConsumeConcurrentlyStatus.RECONSUME_LATER;
// return ConsumeConcurrentlyStatus.RECONSUME_LATER;
}
});
/*
* Launch the consumer instance.
*/
consumer.start();
System.out.printf("Consumer Started.%n");
}
Example 20
| Source File: Consumer.java From rocketmq with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws MQClientException {
Options options = ServerUtil.buildCommandlineOptions(new Options());
CommandLine commandLine = ServerUtil.parseCmdLine("benchmarkConsumer", args, buildCommandlineOptions(options), new PosixParser());
if (null == commandLine) {
System.exit(-1);
}
final String topic = commandLine.hasOption('t') ? commandLine.getOptionValue('t').trim() : "BenchmarkTest";
final String groupPrefix = commandLine.hasOption('g') ? commandLine.getOptionValue('g').trim() : "benchmark_consumer";
final String isPrefixEnable = commandLine.hasOption('p') ? commandLine.getOptionValue('p').trim() : "true";
String group = groupPrefix;
if (Boolean.parseBoolean(isPrefixEnable)) {
group = groupPrefix + "_" + Long.toString(System.currentTimeMillis() % 100);
}
System.out.printf("topic %s group %s prefix %s%n", topic, group, isPrefixEnable);
final StatsBenchmarkConsumer statsBenchmarkConsumer = new StatsBenchmarkConsumer();
final Timer timer = new Timer("BenchmarkTimerThread", true);
final LinkedList<Long[]> snapshotList = new LinkedList<Long[]>();
timer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
snapshotList.addLast(statsBenchmarkConsumer.createSnapshot());
if (snapshotList.size() > 10) {
snapshotList.removeFirst();
}
}
}, 1000, 1000);
timer.scheduleAtFixedRate(new TimerTask() {
private void printStats() {
if (snapshotList.size() >= 10) {
Long[] begin = snapshotList.getFirst();
Long[] end = snapshotList.getLast();
final long consumeTps =
(long) (((end[1] - begin[1]) / (double) (end[0] - begin[0])) * 1000L);
final double averageB2CRT = (end[2] - begin[2]) / (double) (end[1] - begin[1]);
final double averageS2CRT = (end[3] - begin[3]) / (double) (end[1] - begin[1]);
System.out.printf("Consume TPS: %d Average(B2C) RT: %7.3f Average(S2C) RT: %7.3f MAX(B2C) RT: %d MAX(S2C) RT: %d%n",
consumeTps, averageB2CRT, averageS2CRT, end[4], end[5]
);
}
}
@Override
public void run() {
try {
this.printStats();
} catch (Exception e) {
e.printStackTrace();
}
}
}, 10000, 10000);
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(group);
consumer.setInstanceName(Long.toString(System.currentTimeMillis()));
consumer.subscribe(topic, "*");
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
ConsumeConcurrentlyContext context) {
MessageExt msg = msgs.get(0);
long now = System.currentTimeMillis();
statsBenchmarkConsumer.getReceiveMessageTotalCount().incrementAndGet();
long born2ConsumerRT = now - msg.getBornTimestamp();
statsBenchmarkConsumer.getBorn2ConsumerTotalRT().addAndGet(born2ConsumerRT);
long store2ConsumerRT = now - msg.getStoreTimestamp();
statsBenchmarkConsumer.getStore2ConsumerTotalRT().addAndGet(store2ConsumerRT);
compareAndSetMax(statsBenchmarkConsumer.getBorn2ConsumerMaxRT(), born2ConsumerRT);
compareAndSetMax(statsBenchmarkConsumer.getStore2ConsumerMaxRT(), store2ConsumerRT);
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
consumer.start();
System.out.printf("Consumer Started.%n");
}
