Examples with PollableChannel org.springframework.messaging.PollableChannel used on opensource projects

Example 11 with PollableChannel

use of org.springframework.messaging.PollableChannel in project spring-integration by spring-projects.

the class AbstractMethodAnnotationPostProcessor method doCreateEndpoint.

protected AbstractEndpoint doCreateEndpoint(MessageHandler handler, MessageChannel inputChannel, List<Annotation> annotations) {
    AbstractEndpoint endpoint;
    if (inputChannel instanceof PollableChannel) {
        PollingConsumer pollingConsumer = new PollingConsumer((PollableChannel) inputChannel, handler);
        configurePollingEndpoint(pollingConsumer, annotations);
        endpoint = pollingConsumer;
    } else {
        Poller[] pollers = MessagingAnnotationUtils.resolveAttribute(annotations, "poller", Poller[].class);
        Assert.state(ObjectUtils.isEmpty(pollers), "A '@Poller' should not be specified for Annotation-based " + "endpoint, since '" + inputChannel + "' is a SubscribableChannel (not pollable).");
        if (inputChannel instanceof Publisher) {
            endpoint = new ReactiveStreamsConsumer(inputChannel, handler);
        } else {
            endpoint = new EventDrivenConsumer((SubscribableChannel) inputChannel, handler);
        }
    }
    return endpoint;
}

Example 12 with PollableChannel

use of org.springframework.messaging.PollableChannel in project spring-integration by spring-projects.

the class IntegrationFlowTests method testGatewayFlow.

@Test
public void testGatewayFlow() throws Exception {
    PollableChannel replyChannel = new QueueChannel();
    Message<String> message = MessageBuilder.withPayload("foo").setReplyChannel(replyChannel).build();
    this.gatewayInput.send(message);
    Message<?> receive = replyChannel.receive(2000);
    assertNotNull(receive);
    assertEquals("From Gateway SubFlow: FOO", receive.getPayload());
    assertNull(this.gatewayError.receive(1));
    message = MessageBuilder.withPayload("bar").setReplyChannel(replyChannel).build();
    this.gatewayInput.send(message);
    receive = replyChannel.receive(1);
    assertNull(receive);
    receive = this.gatewayError.receive(2000);
    assertNotNull(receive);
    assertThat(receive, instanceOf(ErrorMessage.class));
    assertThat(receive.getPayload(), instanceOf(MessageRejectedException.class));
    assertThat(((Exception) receive.getPayload()).getMessage(), containsString("' rejected Message"));
}

Example 13 with PollableChannel

use of org.springframework.messaging.PollableChannel in project spring-integration by spring-projects.

the class ManualFlowTests method testDynamicAdapterFlow.

@Test
public void testDynamicAdapterFlow() {
    this.integrationFlowContext.registration(new MyFlowAdapter()).register();
    PollableChannel resultChannel = this.beanFactory.getBean("flowAdapterOutput", PollableChannel.class);
    Message<?> receive = resultChannel.receive(1000);
    assertNotNull(receive);
    assertEquals("flowAdapterMessage", receive.getPayload());
}

Example 14 with PollableChannel

use of org.springframework.messaging.PollableChannel in project spring-integration by spring-projects.

the class ManualFlowTests method testRoleControl.

@Test
public void testRoleControl() {
    String testRole = "bridge";
    PollableChannel resultChannel = new QueueChannel();
    IntegrationFlowRegistration flowRegistration = this.integrationFlowContext.registration(flow -> flow.bridge(e -> e.role(testRole)).channel(resultChannel)).register();
    MessagingTemplate messagingTemplate = this.integrationFlowContext.messagingTemplateFor(flowRegistration.getId());
    messagingTemplate.send(new GenericMessage<>("test"));
    Message<?> receive = resultChannel.receive(1000);
    assertNotNull(receive);
    assertEquals("test", receive.getPayload());
    this.roleController.stopLifecyclesInRole(testRole);
    try {
        messagingTemplate.send(new GenericMessage<>("test2"));
    } catch (Exception e) {
        assertThat(e, instanceOf(MessageDeliveryException.class));
        assertThat(e.getMessage(), containsString("Dispatcher has no subscribers for channel"));
    }
    this.roleController.startLifecyclesInRole(testRole);
    messagingTemplate.send(new GenericMessage<>("test2"));
    receive = resultChannel.receive(1000);
    assertNotNull(receive);
    assertEquals("test2", receive.getPayload());
    flowRegistration.destroy();
    assertTrue(this.roleController.getEndpointsRunningStatus(testRole).isEmpty());
}

Example 15 with PollableChannel

use of org.springframework.messaging.PollableChannel in project spring-integration by spring-projects.

the class PollingEndpointErrorHandlingTests method checkExceptionPlacedOnErrorChannel.

@SuppressWarnings("rawtypes")
@Test
public void checkExceptionPlacedOnErrorChannel() {
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("pollingEndpointErrorHandlingTests.xml", this.getClass());
    PollableChannel errorChannel = (PollableChannel) context.getBean("errorChannel");
    Message errorMessage = errorChannel.receive(5000);
    assertNotNull("No error message received", errorMessage);
    assertEquals("Message received was not an ErrorMessage", ErrorMessage.class, errorMessage.getClass());
    context.close();
}