Examples with Message io.scalecube.transport.Message used on opensource projects

Example 6 with Message

use of io.scalecube.transport.Message in project scalecube by scalecube.

the class ServiceHeadersTest method test_ServiceHeaders.

@Test
public void test_ServiceHeaders() {
    Message request = Message.builder().header(ServiceHeaders.METHOD, "m").header(ServiceHeaders.SERVICE_REQUEST, "req").header(ServiceHeaders.SERVICE_RESPONSE, "res").build();
    assertEquals(ServiceHeaders.serviceMethod(request), "m");
    assertEquals(ServiceHeaders.serviceRequest(request), "req");
    assertEquals(ServiceHeaders.serviceResponse(request), "res");
    try {
        Constructor<ServiceHeaders> constructor = (Constructor<ServiceHeaders>) ServiceHeaders.class.getDeclaredConstructors()[0];
        constructor.setAccessible(true);
        ServiceHeaders foo = constructor.newInstance();
        assertTrue(foo != null);
    } catch (Exception e) {
    }
}

Example 7 with Message

use of io.scalecube.transport.Message in project scalecube by scalecube.

the class ServiceTest method test_remote_async_greeting_return_Message.

@Test
public void test_remote_async_greeting_return_Message() throws InterruptedException, ExecutionException {
    // Create microservices cluster.
    Microservices provider = Microservices.builder().port(port.incrementAndGet()).services(new GreetingServiceImpl()).build();
    // Create microservices cluster.
    Microservices consumer = Microservices.builder().port(port.incrementAndGet()).seeds(provider.cluster().address()).build();
    // get a proxy to the service api.
    GreetingService service = createProxy(consumer);
    // call the service.
    CompletableFuture<Message> future = service.greetingMessage(Message.builder().data("joe").build());
    CountDownLatch timeLatch = new CountDownLatch(1);
    future.whenComplete((result, ex) -> {
        if (ex == null) {
            // print the greeting.
            System.out.println("10. remote_async_greeting_return_Message :" + result.data());
            // print the greeting.
            assertTrue(result.data().equals(" hello to: joe"));
        } else {
            // print the greeting.
            System.out.println("10 failed: " + ex);
            assertTrue(result.data().equals(" hello to: joe"));
        }
        timeLatch.countDown();
    });
    await(timeLatch, 20, TimeUnit.SECONDS);
    assertTrue(timeLatch.getCount() == 0);
    consumer.shutdown().get();
    provider.shutdown().get();
}

Example 8 with Message

use of io.scalecube.transport.Message in project scalecube by scalecube.

the class ServiceTest method test_local_async_greeting_return_Message.

@Test
public void test_local_async_greeting_return_Message() throws InterruptedException, ExecutionException {
    // Create microservices cluster.
    Microservices microservices = Microservices.builder().port(port.incrementAndGet()).services(new GreetingServiceImpl()).build();
    // get a proxy to the service api.
    GreetingService service = createProxy(microservices);
    // call the service.
    CompletableFuture<Message> future = service.greetingMessage(Message.builder().data("joe").build());
    CountDownLatch timeLatch = new CountDownLatch(1);
    future.whenComplete((result, ex) -> {
        if (ex == null) {
            assertTrue(result.data().equals(" hello to: joe"));
            // print the greeting.
            System.out.println("9. local_async_greeting_return_Message :" + result.data());
        } else {
            // print the greeting.
            System.out.println(ex);
        }
        timeLatch.countDown();
    });
    await(timeLatch, 1, TimeUnit.SECONDS);
    microservices.shutdown().get();
}

Example 9 with Message

use of io.scalecube.transport.Message in project scalecube by scalecube.

the class ClusterMetadataExample method main.

/**
 * Main method.
 */
public static void main(String[] args) throws Exception {
    // Start seed cluster member Alice
    Cluster alice = Cluster.joinAwait();
    // Join Joe to cluster with metadata
    Map<String, String> metadata = ImmutableMap.of("name", "Joe");
    Cluster joe = Cluster.joinAwait(metadata, alice.address());
    // Subscribe Joe to listen for incoming messages and print them to system out
    joe.listen().map(Message::data).subscribe(System.out::println);
    // Scan the list of members in the cluster and find Joe there
    Optional<Member> joeMemberOptional = alice.otherMembers().stream().filter(member -> "Joe".equals(member.metadata().get("name"))).findAny();
    // Send hello to Joe
    if (joeMemberOptional.isPresent()) {
        alice.send(joeMemberOptional.get(), Message.fromData("Hello Joe"));
    }
    TimeUnit.SECONDS.sleep(3);
}

Example 10 with Message

use of io.scalecube.transport.Message in project scalecube by scalecube.

the class MessagingExample method main.

/**
 * Main method.
 */
public static void main(String[] args) throws Exception {
    // Start cluster node Alice to listen and respond for incoming greeting messages
    Cluster alice = Cluster.joinAwait();
    alice.listen().subscribe(msg -> {
        System.out.println("Alice received: " + msg.data());
        alice.send(msg.sender(), Message.fromData("Greetings from Alice"));
    });
    // Join cluster node Bob to cluster with Alice, listen and respond for incoming greeting messages
    Cluster bob = Cluster.joinAwait(alice.address());
    bob.listen().subscribe(msg -> {
        System.out.println("Bob received: " + msg.data());
        bob.send(msg.sender(), Message.fromData("Greetings from Bob"));
    });
    // Join cluster node Carol to cluster with Alice and Bob
    Cluster carol = Cluster.joinAwait(alice.address(), bob.address());
    // Subscribe Carol to listen for incoming messages and print them to system out
    carol.listen().map(msg -> "Carol received: " + msg.data()).subscribe(System.out::println);
    // Send from Carol greeting message to all other cluster members (which is Alice and Bob)
    Message greetingMsg = Message.fromData("Greetings from Carol");
    carol.otherMembers().forEach(member -> carol.send(member, greetingMsg));
    // Avoid exit main thread immediately ]:->
    Thread.sleep(1000);
}