Example usage for org.springframework.integration.channel ExecutorChannel subscribe

Introduction

In this page you can find the example usage for org.springframework.integration.channel ExecutorChannel subscribe.

Prototype

@Override
    public boolean subscribe(MessageHandler handler) 

Source Link

Usage

From source file:com.apress.prospringintegration.channels.executorchannel.Main.java

public static void main(String[] args) {
    String contextName = "executor-channel.xml";

    ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext(contextName);
    applicationContext.start();//  w w  w. j  a v  a2  s. c  o  m

    ProblemReporter problemReporter = applicationContext.getBean(ProblemReporter.class);
    TicketGenerator ticketGenerator = applicationContext.getBean(TicketGenerator.class);
    TicketMessageHandler ticketMessageHandler = applicationContext.getBean(TicketMessageHandler.class);

    ExecutorChannel channel = applicationContext.getBean("ticketChannel", ExecutorChannel.class);

    channel.subscribe(ticketMessageHandler);

    List<Ticket> tickets = ticketGenerator.createTickets();
    for (Ticket ticket : tickets) {
        problemReporter.openTicket(ticket);
    }
}

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From source file:nl.rav.comparision.integration.unitofwork.java.UnitOfWorkSpringTest.java

private void createRouteBuilder() {
    handler = new AbstractReplyProducingMessageHandler() {
        @Override/*w  w w  .  j a  v a 2s.  c  o  m*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            return "baz";
        }
    };
    AbstractReplyProducingMessageHandler handler2 = new AbstractReplyProducingMessageHandler() {
        @Override
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (doFail.get()) {
                throw new RuntimeException("qux");
            }
            return requestMessage.getPayload();
        }
    };

    SimpleAsyncTaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
    taskExecutor.setThreadNamePrefix("test-");
    ExecutorChannel intermediate = new ExecutorChannel(taskExecutor);
    handler.setOutputChannel(intermediate);
    intermediate.subscribe(handler2);

    replies = new QueueChannel();
    handler2.setOutputChannel(replies);

    successChannel = new QueueChannel();
    failureChannel = new QueueChannel();
    ExpressionEvaluatingRequestHandlerAdvice advice = new ExpressionEvaluatingRequestHandlerAdvice();
    advice.setBeanFactory(mock(BeanFactory.class));
    advice.setSuccessChannel(successChannel);
    advice.setFailureChannel(failureChannel);
    advice.setOnSuccessExpression("'foo'");
    advice.setOnFailureExpression("'bar:' + #exception.message");

    List<Advice> adviceChain = new ArrayList<Advice>();
    adviceChain.add(advice);
    handler.setAdviceChain(adviceChain);
    handler.afterPropertiesSet();
    handler2.setAdviceChain(adviceChain);
    handler2.afterPropertiesSet();
}

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From source file:org.springframework.integration.channel.P2pChannelTests.java

@Test
public void testExecutorChannelLoggingWithMoreThenOneSubscriber() {
    final ExecutorChannel channel = new ExecutorChannel(mock(Executor.class));
    channel.setBeanName("executorChannel");

    final Log logger = mock(Log.class);
    when(logger.isInfoEnabled()).thenReturn(true);
    ReflectionUtils.doWithFields(AbstractMessageChannel.class, new FieldCallback() {

        public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
            if ("logger".equals(field.getName())) {
                field.setAccessible(true);
                field.set(channel, logger);
            }/* ww w. jav  a 2s  . c o m*/
        }
    });
    channel.subscribe(mock(MessageHandler.class));
    channel.subscribe(mock(MessageHandler.class));
    verify(logger, times(2)).info(Mockito.anyString());
}

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