Example usage for org.springframework.integration.filter MessageFilter setDiscardChannel

Introduction

In this page you can find the example usage for org.springframework.integration.filter MessageFilter setDiscardChannel.

Prototype

public void setDiscardChannel(MessageChannel discardChannel) 

Source Link

Document

Specify a channel where rejected Messages should be sent.

Usage

From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

public void filterDiscardNoAdvice() {
    MessageFilter filter = new MessageFilter(new MessageSelector() {
        @Override/*from  w ww  .  ja v  a  2 s . c o m*/
        public boolean accept(Message<?> message) {
            return false;
        }
    });
    QueueChannel discardChannel = new QueueChannel();
    filter.setDiscardChannel(discardChannel);
    filter.handleMessage(new GenericMessage<String>("foo"));
    assertNotNull(discardChannel.receive(0));
}

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From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

@Test
public void filterDiscardWithinAdvice() {
    MessageFilter filter = new MessageFilter(new MessageSelector() {
        @Override/*from   ww  w  .  j av a2 s. co m*/
        public boolean accept(Message<?> message) {
            return false;
        }
    });
    final QueueChannel discardChannel = new QueueChannel();
    filter.setDiscardChannel(discardChannel);
    List<Advice> adviceChain = new ArrayList<Advice>();
    final AtomicReference<Message<?>> discardedWithinAdvice = new AtomicReference<Message<?>>();
    adviceChain.add(new AbstractRequestHandlerAdvice() {
        @Override
        protected Object doInvoke(ExecutionCallback callback, Object target, Message<?> message)
                throws Exception {
            Object result = callback.execute();
            discardedWithinAdvice.set(discardChannel.receive(0));
            return result;
        }
    });
    filter.setAdviceChain(adviceChain);
    filter.afterPropertiesSet();
    filter.handleMessage(new GenericMessage<String>("foo"));
    assertNotNull(discardedWithinAdvice.get());
    assertNull(discardChannel.receive(0));
}

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From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

@Test
public void filterDiscardOutsideAdvice() {
    MessageFilter filter = new MessageFilter(new MessageSelector() {
        @Override//from ww w .  j  ava  2  s .  c  o m
        public boolean accept(Message<?> message) {
            return false;
        }
    });
    final QueueChannel discardChannel = new QueueChannel();
    filter.setDiscardChannel(discardChannel);
    List<Advice> adviceChain = new ArrayList<Advice>();
    final AtomicReference<Message<?>> discardedWithinAdvice = new AtomicReference<Message<?>>();
    final AtomicBoolean adviceCalled = new AtomicBoolean();
    adviceChain.add(new AbstractRequestHandlerAdvice() {
        @Override
        protected Object doInvoke(ExecutionCallback callback, Object target, Message<?> message)
                throws Exception {
            Object result = callback.execute();
            discardedWithinAdvice.set(discardChannel.receive(0));
            adviceCalled.set(true);
            return result;
        }
    });
    filter.setAdviceChain(adviceChain);
    filter.setDiscardWithinAdvice(false);
    filter.afterPropertiesSet();
    filter.handleMessage(new GenericMessage<String>("foo"));
    assertTrue(adviceCalled.get());
    assertNull(discardedWithinAdvice.get());
    assertNotNull(discardChannel.receive(0));
}

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