jingangwang opened a new issue #2753:
URL: https://github.com/apache/rocketmq/issues/2753
rocketmq4.8官方事务消息例子不调用事务回查接口（checkLocalTransaction）
public class TransactionListenerImpl implements TransactionListener {
private AtomicInteger transactionIndex = new AtomicInteger(0);
private ConcurrentHashMap<String, Integer> localTrans = new
ConcurrentHashMap<>();
@Override
public LocalTransactionState executeLocalTransaction(Message msg, Object
arg) {
System.out.println("执行本地事务，msg="+ JSON.toJSONString(msg));
int value = transactionIndex.getAndIncrement();
int status = value % 3;
localTrans.put(msg.getTransactionId(), status);
try {
Thread.sleep(20000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return LocalTransactionState.UNKNOW;
}
@Override
public LocalTransactionState checkLocalTransaction(MessageExt msg) {
System.out.println("执行回查本地事务接口，msg="+ JSON.toJSONString(msg));
Integer status = localTrans.get(msg.getTransactionId());
if (status != null) {
switch (status) {
case 0:
return LocalTransactionState.UNKNOW;
case 1:
return LocalTransactionState.COMMIT_MESSAGE;
case 2:
return LocalTransactionState.ROLLBACK_MESSAGE;
}
}
return LocalTransactionState.COMMIT_MESSAGE;
}
}
public class TransactionProducer {
public static void main(String[] args) throws Exception{
TransactionMQProducer producer = new
TransactionMQProducer("zkt_test_transaction_producer");
producer.setNamesrvAddr("192.168.4.176:9876");
producer.setTransactionListener(new TransactionListenerImpl());
ExecutorService executorService = new ThreadPoolExecutor(2, 5, 100,
TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(2000), new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread thread = new Thread(r);
thread.setName("client-transaction-msg-check-thread");
return thread;
}
});
producer.setExecutorService(executorService);
producer.start();
String[] tags = new String[] {"TagA", "TagB", "TagC", "TagD",
"TagE"};
for(int i=0;i<10;i++){
Message msg = new
Message("TopicTest1",tags[i%tags.length],"Key"+i,("Hello RocketMq
"+i).getBytes(StandardCharsets.UTF_8));
TransactionSendResult sendResult =
producer.sendMessageInTransaction(msg, null);
System.out.printf("%s%n", sendResult);
Thread.sleep(10);
}
for (int i = 0; i < 100000; i++) {
Thread.sleep(1000);
}
producer.shutdown();
}
}
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