Examples with Message io.eventuate.tram.messaging.common.Message used on opensource projects

Example 1 with Message

use of io.eventuate.tram.messaging.common.Message in project eventuate-tram-core by eventuate-tram.

the class MessageConsumerKafkaImpl method subscribe.

@Override
public void subscribe(String subscriberId, Set<String> channels, MessageHandler handler) {
    BiConsumer<ConsumerRecord<String, String>, BiConsumer<Void, Throwable>> kcHandler = (record, callback) -> {
        Message m = toMessage(record);
        // TODO If we do that here then remove TT from higher-levels
        transactionTemplate.execute(ts -> {
            if (duplicateMessageDetector.isDuplicate(subscriberId, m.getId())) {
                logger.trace("Duplicate message {} {}", subscriberId, m.getId());
                callback.accept(null, null);
                return null;
            }
            try {
                logger.trace("Invoking handler {} {}", subscriberId, m.getId());
                handler.accept(m);
            } catch (Throwable t) {
                logger.trace("Got exception {} {}", subscriberId, m.getId());
                logger.trace("Got exception ", t);
                callback.accept(null, t);
                return null;
            }
            logger.trace("handled message {} {}", subscriberId, m.getId());
            callback.accept(null, null);
            return null;
        });
    };
    EventuateKafkaConsumer kc = new EventuateKafkaConsumer(subscriberId, kcHandler, new ArrayList<>(channels), bootstrapServers);
    consumers.add(kc);
    kc.start();
}

Example 2 with Message

use of io.eventuate.tram.messaging.common.Message in project eventuate-tram-core by eventuate-tram.

the class AbstractTramCommandsAndEventsIntegrationTest method shouldDoSomething.

@Test
public void shouldDoSomething() throws InterruptedException {
    String messageId = commandProducer.send("customerService", "/customers/10", new MyTestCommand(), myReplyConsumer.getReplyChannel(), Collections.emptyMap());
    Message m = myReplyConsumer.messages.poll(30, TimeUnit.SECONDS);
    assertNotNull(m);
    assertEquals(messageId, m.getRequiredHeader(ReplyMessageHeaders.IN_REPLY_TO));
    System.out.println("Received m=" + m);
    verify(myTestCommandHandler).myHandlerMethod(any(CommandMessage.class), any(PathVariables.class));
}

Example 3 with Message

use of io.eventuate.tram.messaging.common.Message in project eventuate-tram-core by eventuate-tram.

the class CommandDispatcherTest method shouldDispatchCommand.

@Test
public void shouldDispatchCommand() {
    String commandDispatcherId = "fooId";
    CommandDispatcherTestTarget target = spy(new CommandDispatcherTestTarget());
    ChannelMapping channelMapping = mock(ChannelMapping.class);
    MessageConsumer messageConsumer = mock(MessageConsumer.class);
    MessageProducer messageProducer = mock(MessageProducer.class);
    CommandDispatcher dispatcher = new CommandDispatcher(commandDispatcherId, defineCommandHandlers(target), channelMapping, messageConsumer, messageProducer);
    String customerId = "customer0";
    String resource = "/customers/" + customerId;
    Command command = new TestCommand();
    String replyTo = "replyTo-xxx";
    String channel = "myChannel";
    Message message = CommandProducerImpl.makeMessage(channel, resource, command, replyTo, singletonMap(Message.ID, "999"));
    dispatcher.messageHandler(message);
    verify(target).reserveCredit(any(CommandMessage.class), any(PathVariables.class));
    verify(messageProducer).send(any(), any());
    verifyNoMoreInteractions(messageProducer, target);
}

Example 4 with Message

use of io.eventuate.tram.messaging.common.Message in project eventuate-tram-core by eventuate-tram.

the class CommandProducerImpl method send.

@Override
public String send(String channel, String resource, Command command, String replyTo, Map<String, String> headers) {
    Message message = makeMessage(channel, resource, command, replyTo, headers);
    messageProducer.send(channelMapping.transform(channel), message);
    return message.getId();
}